Browse specialties
Chiropractors
Dentists
Dermatologists
Ear, Nose & Throat Doctors
Endocrinologists
Eye Doctors
OBGYNs
Ophthalmologists
Optometrists
Orthopedic Surgeons
Podiatrists
Primary Care Doctors
Psychiatrists
Psychologists
Therapist-Counselors
See all specialties A-Z
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
Welcome to Zocdoc!
Book local doctors who take your insurance
Sign up
For providers
Grow your practice
For patients
Browse doctors
Browse practices
Browse hospitals
Browse insurances
Browse locations
Browse conditions
Browse procedures
Browse treatments
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
HelpList your practice on Zocdoc
Sign up

Find an in-network doctor from over 10,000 insurance plans

Add your insurance to see in-network doctors
insurance link for 300
insurance link for 307
insurance link for 323
insurance link for 356
insurance link for 324
See all (1,000+)
315 verified Gastroenterologists in Simi Valley, CA
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
All providers
Availability last updated 10/20/2026
Availability last updated 10/20/2026

Dr. Essam Quraishi, MD

Gastroenterologist
4.72
·78 reviews
Took a bit of time to be seen, but doctor was friendly and knowledgeable, and staff seemed competent and helpful.Click to read more
55 mi · 5455 Garden Grove Blvd, Ste 230, Westminster, CA 92683
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
*Please verify your insurance coverage prior to scheduling an appointment. Patients with HMO plans must obtain prior authorization before being seen at our practice. Dr. Essam Quraishi is the founder and President of Gastrointestinal and Liver Consultants, Inc. Dr. Quraishi graduated from medical s...Click to read more
Next available: Wed, Nov 25

Dr. James Hwang, MD

Gastroenterologist
4.60
·5 reviews
The doctor was friendly and listened to my concerns. He took his time answering my questions. He didn't make me feel like I HAD to do a certain treatment and that I had a say in my healthcare. When I explained my previous not-so-pleasant experience with bowel prep, he offered 3 recommendations and I...Click to read more
55.5 mi · 380 W Central Ave, Suite 310, Brea, CA 92821
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Excellent wait time ·
Read bio
Dr. James Hwang is a board-certified gastroenterologist with extensive experience across multiple healthcare systems, including Kaiser Permanente Sacramento, Enloe Medical Center, and Rio Grande Gastroenterology. He completed his gastroenterology fellowship and internal medicine residency through Su...Click to read more
Next available: Tue, Nov 10

Dr. Javed Sadiq, MD

Gastroenterologist
4.88
·198 reviews
The doctor is very nice and friendly. He prescribed me lab tests - Sep 14, 2023 by Jian Z.Click to read more
56.5 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 3 more ·
Read bio
*Please verify your insurance coverage prior to scheduling an appointment. Patients with HMO plans must obtain prior authorization before being seen at our practice.Click to read more
Next available: Wed, Nov 25

Dr. Alexander Tran, DO

Internist (Virtual)
4.87
·60 reviews
It was a great visit with Dr. Alexander Tran. He was kind, professional and took the time to answer my question!:) by SRClick to read more
Fullerton, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Tran is an Internal Medicine physician at Pyo Clinic, seeing adult patients at our Fullerton and Upland, CA locations, as well as through virtual consultations. He provides comprehensive primary care, from preventive visits and routine health screenings to the diagnosis and management ...Click to read more
Next available: today

Dr. Alexander Tran, DO

Internist
4.87
·60 reviews
It was a great visit with Dr. Alexander Tran. He was kind, professional and took the time to answer my question!:) by SRClick to read more
57.5 mi · 2000 E Chapman Ave, Ste 100, Fullerton, CA 92831
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Tran is an Internal Medicine physician at Pyo Clinic, seeing adult patients at our Fullerton and Upland, CA locations, as well as through virtual consultations. He provides comprehensive primary care, from preventive visits and routine health screenings to the diagnosis and management ...Click to read more
Next available: today

Dr. James Pearson, MD

Family Physician
4.66
·112 reviews
Dr. Pearson was on time, knowledge, and easy to talk to. I would highly recommend him. by Casey C.Click to read more
53.5 mi · 1600 Pacific Coast Hwy, Seal Beach, CA 90740
Accepts Aetna, Cigna, Medicare + 4 more
Also offers video visits · Accepting new patients ·
Read bio
Dr. James Pearson completed his medical residency training at the University of Southern California's CVVP Health system and completed a subsequent fellowship at the University of California Irvine. He has continued his professional training at the American Board of Aesthetic Medicine and practices...Click to read more
Next available: Fri, Oct 23

Dr. Ousama Alkhatib, MD

Gastroenterologist
4.71
·31 reviews
Very knowledgeable. Listened to my concern attentively and gave me education on my issue. - Jun 30, 2026 by Margaret W.Click to read more
62.5 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in colonoscopy ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** Ousama Alkhatib, MD is a board-certified physician specializing in Gastroenterology, practicing medicine in Orange, California. He completed medical school at Faculty of Medicine in Alepp, ...Click to read more
Next available: tomorrow

Dr. Gale Lawrence, MD

Family Physician
3.67
·6 reviews
Doctor and staff were very polite and everything was managed professionally and with care. Doctor Lawrence showed great empathy and understanding for my therapeutic needs. Highly recommended - May 5, 2026 by Matthew K.Click to read more
53.5 mi · 1600 Pacific Coast Hwy, Seal Beach, CA 90740
Accepts Aetna, Cigna, Medicare + 4 more
Accepting new patients · Excellent wait time ·
Read bio
Dr. Gale Lawrence completed her medical training at Long Beach Memorial Medical Center and has been practicing full service primary care, dermatology, and aesthetic medicine in the local community for over 30 years. A pioneer of modern aesthetic medicine, Dr. Lawrence prides herself on individualize...Click to read more
Next available: Mon, Oct 26

Dr. Marco Paez, MD

Gastroenterologist
4.86
·84 reviews
My experience at Dr. Paez's office was excellent: I arrived early and was seen early. He has an engaging manner while still being focused on the details of and motivation for the plan of care. I was able to schedule another appointment within a week: super-grateful for the efficiency of the staff as...Click to read more
60 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 1 more ·
Read bio
Dr. Marco A. Paez was born in Miami, Florida. He attended Miami-Dade College and Florida International University (FIU). He graduated with a competitive degree in Biological Sciences with a minor in Psychology. He then matriculated at Georgetown University School of Medicine in Washington, D.C. wher...Click to read more
Next available: Mon, Nov 16

Dr. Natalie Marino, MD

Family Physician
4.05
·20 reviews
Overall this was a pretty productive doctor's appointment, I felt very heard and while she ran through things quickly she made sure to take the time to explain everything in depth. I also felt her knowledge of my medical conditions was a lot more up-to-date than previous doctors were which I find in...Click to read more
56 mi · 1321 N Hbr Blvd, Ste 205, Fullerton, CA 92835
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Also offers video visits · Accepting new patients ·
Read bio
Dr. Natalie Marino is a compassionate physician board-certified in Family Medicine. She practices both Primary Care General Medicine, as well as Dermatology. She received her Medical Degree, as well as a Masters in Public Health, from the University of Pittsburgh. She completed her residency trainin...Click to read more

Dr. Christina Steinhauser, DO

Gastroenterologist (Virtual)
4.98
·122 reviews
Dr. was very detailed on reviewing my case. Useful information and tips. - Jul 3, 2025 by Xuan Dao D.Click to read more
Yorba Linda, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Christina Steinhauser is a former Chief of Medicine and Chief of Gastroenterology at Nellis Air Force Base, a current assistant professor at the Uniformed Services University of Health Sciences, and a former assistant professor at the University of Nevada, Las Vegas. She earned her Doctor of Ost...Click to read more
Next available: Mon, Nov 30

Dr. Christina Steinhauser, DO

Gastroenterologist
4.98
·122 reviews
Dr. was very detailed on reviewing my case. Useful information and tips. - Jul 3, 2025 by Xuan Dao D.Click to read more
60 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Christina Steinhauser is a former Chief of Medicine and Chief of Gastroenterology at Nellis Air Force Base, a current assistant professor at the Uniformed Services University of Health Sciences, and a former assistant professor at the University of Nevada, Las Vegas. She earned her Doctor of Ost...Click to read more
Next available: Mon, Nov 30

Dr. Alaa Abousaif, MD

Gastroenterologist
4.86
·42 reviews
The Dr and staff seemed very efficient and friendly. - Aug 13, 2026 by Jayne R.Click to read more
62.5 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 6 more ·
Read bio
Dr. Alaa Abousaif has been in private practice for the past fifteen years. He has completed extensive advanced training in treating a multitude of digestive disorders and possesses the expertise in utilizing the latest technology to accurately diagnose and treat a full range of digestive problems. ...Click to read more
Next available: Mon, Oct 26

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·9 reviews
I had an excellent experience with Dr. Levitt today. From the moment the appointment began, she was incredibly pleasant, kind, and welcoming, which immediately put me at ease. What stood out the most was how much she cared about getting the full picture of my health. Dr. Levitt took the time to t...Click to read more
55 mi · 5455 Garden Grove Blvd, Ste 230, Westminster, CA 92683
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Tue, Nov 10

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
5.00
·1 review
55 mi · 5455 Garden Grove Blvd, Ste 230, Westminster, CA 92683
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Tue, Nov 24

Dr. Haig Najarian, MD

Gastroenterologist
5.00
·31 reviews
62.5 mi · 1010 W La Veta Ave, Ste 570, Orange, CA 92868
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 5 more ·
Read bio
**ALL EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR FOLLOW-UP APPOINTMENTS** Dr. Haig Najarian is a distinguished gastroenterologist. He practices at UNIO Specialty Care in Orange and Los Alamitos, CA. He is dedicated to delivering thorough gastrointestinal care. He works closely with patie...Click to read more
Next available: Thu, Nov 5

Dawn Vollmann, PA

Physician Assistant
57 mi · 4911 Warner Ave, Ste 205, Huntington Beach, CA 92649
Accepts BlueCross BlueShield, Cigna, Medicare + 2 more
Accepting new patients · Expertise in pain in joint + 2 more ·
Read bio
Dawn Vollman, PA-C, is a dedicated Physician Assistant providing comprehensive family medicine services for patients of all ages. She is passionate about helping patients achieve their health goals through preventive care, chronic disease management, and timely treatment of acute illnesses. Dawn ha...Click to read more
Next available: Mon, Oct 26

Dr. James Hwang, MD

Gastroenterologist
4.60
·5 reviews
The doctor was friendly and listened to my concerns. He took his time answering my questions. He didn't make me feel like I HAD to do a certain treatment and that I had a say in my healthcare. When I explained my previous not-so-pleasant experience with bowel prep, he offered 3 recommendations and I...Click to read more
62.5 mi · 1140 W La Veta Ave, #555, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Excellent wait time ·
Read bio
Dr. James Hwang is a board-certified gastroenterologist with extensive experience across multiple healthcare systems, including Kaiser Permanente Sacramento, Enloe Medical Center, and Rio Grande Gastroenterology. He completed his gastroenterology fellowship and internal medicine residency through Su...Click to read more
Next available: Fri, Nov 13

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·9 reviews
I had an excellent experience with Dr. Levitt today. From the moment the appointment began, she was incredibly pleasant, kind, and welcoming, which immediately put me at ease. What stood out the most was how much she cared about getting the full picture of my health. Dr. Levitt took the time to t...Click to read more
56.5 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Wed, Nov 11

Dr. Hardeep Singh, MD

Gastroenterologist
5.00
·32 reviews
This was my third time visiting this practice. I trust Dr. Singh completely with my medical needs - Sep 9, 2026 by Gregory S.Click to read more
62.5 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause + 8 more ·
Read bio
Dr. Hardeep M. Singh grew up in Orange County and obtained his undergraduate and medical degrees from USC. While completing his internship and residency at Cedars Sinai Medical Center, Dr. Singh received the Leo Rigler Award for his academic achievement. While completing his fellowship in Gastroente...Click to read more
Next available: Thu, Nov 26

Dr. James Lee, MD

Gastroenterologist
4.97
·30 reviews
62.5 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended ·
Read bio
**ALL EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR FOLLOW-UP APPOINTMENTS** Dr. James J. Lee has a private practice located in Orange, California and is a clinical assistant professor at the University of California, Irvine. In the last two decades, Dr. Lee has been involved in numerous end...Click to read more
Next available: Wed, Dec 2

Li Miao Wang, PA-C

Physician Assistant (Virtual)
4.94
·32 reviews
The Doctor was very attentive & understanding of my concerns & provided me with a clear care plan. - Jan 26, 2026 by Christopher D.Click to read more
Santa Ana, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
besa Health is more than a doctor’s office. We’re building a better healthcare experience around you. Get your own care manager, relax in our coffee shop, and connect with your community. Our membership brings it all together, with support that continues between visits. My name is Li Miao Wang, but...Click to read more
Next available: today

Dr. Essam Quraishi, MD

Gastroenterologist
4.72
·78 reviews
Took a bit of time to be seen, but doctor was friendly and knowledgeable, and staff seemed competent and helpful.Click to read more
66.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
*Please verify your insurance coverage prior to scheduling an appointment. Patients with HMO plans must obtain prior authorization before being seen at our practice. Dr. Essam Quraishi is the founder and President of Gastrointestinal and Liver Consultants, Inc. Dr. Quraishi graduated from medical s...Click to read more
Next available: Tue, Nov 3

Dr. Alexander Tran, DO

Internist (Virtual)
4.87
·60 reviews
It was a great visit with Dr. Alexander Tran. He was kind, professional and took the time to answer my question!:) by SRClick to read more
Upland, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Tran is an Internal Medicine physician at Pyo Clinic, seeing adult patients at our Fullerton and Upland, CA locations, as well as through virtual consultations. He provides comprehensive primary care, from preventive visits and routine health screenings to the diagnosis and management ...Click to read more
Next available: today

Dr. Hardeep Singh, MD

Gastroenterologist
5.00
·32 reviews
This was my third time visiting this practice. I trust Dr. Singh completely with my medical needs - Sep 9, 2026 by Gregory S.Click to read more
66 mi · 361 Hospital Rd, Ste 227, Newport Beach, CA 92663
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause + 8 more ·
Read bio
Dr. Hardeep M. Singh grew up in Orange County and obtained his undergraduate and medical degrees from USC. While completing his internship and residency at Cedars Sinai Medical Center, Dr. Singh received the Leo Rigler Award for his academic achievement. While completing his fellowship in Gastroente...Click to read more
Next available: Thu, Nov 12

Dr. Javed Sadiq, MD

Gastroenterologist
4.88
·198 reviews
The doctor is very nice and friendly. He prescribed me lab tests - Sep 14, 2023 by Jian Z.Click to read more
66.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 3 more ·
Read bio
*Please verify your insurance coverage prior to scheduling an appointment. Patients with HMO plans must obtain prior authorization before being seen at our practice.Click to read more
Next available: Tue, Nov 24

Dr. Henry Cheng, MD

Family Physician
4.64
·120 reviews
He is my kind of doctor I would highly recommend him to anyone by David S.Click to read more
64.5 mi · 500 S Anaheim Hills Rd, Ste 246, Anaheim, CA 92807
Accepts Aetna, BlueCross BlueShield, Cigna + 2 more
Accepting new patients · Excellent wait time · Expertise in chronic diabetes + 4 more ·
Read bio
Dr. Henry Cheng is a board-certified family medicine physician. He received his medical degree from the American University of the Caribbean School of Medicine and completed his family medicine residency at Mercy Medical Center in Redding, California. Outside of his practice, Dr. Cheng enjoys mount...Click to read more
Next available: tomorrow

Dr. Abdul Khan, MD

Internist
4.55
·20 reviews
The staff was friendly and the doctor made me feel at ease. by RSClick to read more
65.5 mi · 275 Victoria St, Ste 1E, Costa Mesa, CA 92627
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · 25+ years of experience · Excellent wait timeExpertise in bronchitis + 9 more
Next available: Thu, Oct 22

Rachel Roth, PA-C

Physician Assistant
4.74
·240 reviews
The Dr was great, and everyone in the office was super sweet and helpful. - Sep 16, 2025 by Kristen B.Click to read more
69 mi · 369 San Miguel Dr, Ste 200, Newport Beach, CA 92660
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Rachel Roth PA-C is a compassionate, board-certified physician assistant who provides care for both adult and pediatric patients. She specializes in primary care, urgent care, GYN and women's health, dermatology, and general medicine. Rachel earned her Master's in Physician Assistant Studies from Te...Click to read more
Next available: Thu, Oct 22

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
5.00
·1 review
64.5 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Fri, Nov 6

Dr. Maham Farshidpour, MD

Gastroenterologist
5.00
·2 reviews
The doctor was wonderful and took his time to listen to what I had to say. I didn’t feel rushed. - Oct 17, 2026 by Lisa B.Click to read more
70 mi · 8300 Utica Ave, Ste 300, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Maham Farshidpour, M.D., is a dual board-certified Gastroenterologist and Transplant Hepatologist practicing at Premier Gastroenterology Institute in Rancho Cucamonga, California. Dr. Farshidpour delivers highly specialized, compassionate care across the full spectrum of complex gastrointestinal and...Click to read more
Next available: Fri, Nov 20

Dr. Maham Farshidpour, MD

Gastroenterologist (Virtual)
5.00
·2 reviews
The doctor was wonderful and took his time to listen to what I had to say. I didn’t feel rushed. - Oct 17, 2026 by Lisa B.Click to read more
Rancho Cucamonga, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Maham Farshidpour, M.D., is a dual board-certified Gastroenterologist and Transplant Hepatologist practicing at Premier Gastroenterology Institute in Rancho Cucamonga, California. Dr. Farshidpour delivers highly specialized, compassionate care across the full spectrum of complex gastrointestinal and...Click to read more
Next available: Fri, Nov 20

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·9 reviews
I had an excellent experience with Dr. Levitt today. From the moment the appointment began, she was incredibly pleasant, kind, and welcoming, which immediately put me at ease. What stood out the most was how much she cared about getting the full picture of my health. Dr. Levitt took the time to t...Click to read more
66.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Thu, Oct 29

Dr. Natalie Marino, MD

Family Physician
4.05
·20 reviews
Overall this was a pretty productive doctor's appointment, I felt very heard and while she ran through things quickly she made sure to take the time to explain everything in depth. I also felt her knowledge of my medical conditions was a lot more up-to-date than previous doctors were which I find in...Click to read more
69 mi · 369 San Miguel Dr, Ste 200, Newport Beach, CA 92660
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Also offers video visits · Accepting new patients ·
Read bio
Dr. Natalie Marino is a compassionate physician board-certified in Family Medicine. She practices both Primary Care General Medicine, as well as Dermatology. She received her Medical Degree, as well as a Masters in Public Health, from the University of Pittsburgh. She completed her residency trainin...Click to read more

Ashlee Shapiro, PA

Physician Assistant
4.78
·147 reviews
Ashley is super kind and easy to open up to. I felt heard and not rushed. I would highly recommend her - Nov 20, 2024 by Ben B.Click to read more
69 mi · 369 San Miguel Dr, Ste 200, Newport Beach, CA 92660
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Ashlee Shapiro is a skilled physician assistant offering in-person services at Horizon Medical Clinic in Newport Beach, CA, and also provides virtual consultations. She earned her Master’s in Physician Assistant Studies from Quinnipiac University, equipping her with comprehensive training to del...Click to read more

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
5.00
·1 review
66.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Wed, Nov 11

Jaquolin Eskandr, FNP

Family Nurse Practitioner (Virtual)
4.85
·254 reviews
I highly recommend the team. Professional, thoughtful, and kind. - Jun 27, 2024 by Gilbert S.Click to read more
Newport Beach, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
JAQUOLIN ESKANDR, NP NURSE PRACTITIONER Jaquolin Eskandr is a licensed and registered family nurse practitioner. She completed her Master's degree in Family Practice Nursing from California State University, Long Beach, CA. She has been in the nursing field since 2008 and is also wound care...Click to read more
Next available: Mon, Oct 26

Jaquolin Eskandr, FNP

Family Nurse Practitioner
4.85
·254 reviews
I highly recommend the team. Professional, thoughtful, and kind. - Jun 27, 2024 by Gilbert S.Click to read more
69 mi · 400 Newport Center Dr, Ste 301, Newport Beach, CA 92660
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
JAQUOLIN ESKANDR, NP NURSE PRACTITIONER Jaquolin Eskandr is a licensed and registered family nurse practitioner. She completed her Master's degree in Family Practice Nursing from California State University, Long Beach, CA. She has been in the nursing field since 2008 and is also wound care...Click to read more
Next available: Tue, Oct 27

Larissa Garth, PA-C

Physician Assistant (Virtual)
5.00
·35 reviews
Great listener, is passionate about making sure you are helped as you need to be! - Oct 6, 2026 by Keyra M.Click to read more
Laguna Beach, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Larissa Garth is a Doctor of Medical Science (DMSC), Master of Public Health (MPH), Master of Physician Assistant Studies (MPAS), and a certified Physician Assistant (PA-C) who has selflessly dedicated over 13 years of clinical practice to enhancing the lives of her patients of all ages through vari...Click to read more
Next available: Thu, Oct 22

Dr. Lloydette Brewah, DNP

Adult Psychiatric & Mental Health Nurse Practitioner (Virtual)
5.00
·11 reviews
Exceptional, I can only speak on who I’ve dealt with but my psychiatrist has been awesome. by EMClick to read more
Apple valley, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Ms. Lloydette Brewah is an experienced adult psychiatric and mental health nurse practitioner at Precision Wood & Psychiatry Inc. She offers virtual consultations to improve access to quality care. Ms. Brewah addresses and treats a wide range of mental health conditions. Patients value her expertis...Click to read more
Next available: tomorrow

Dr. Abbass Shafii, MD

Gastroenterologist (Virtual)
4.92
·48 reviews
Dr Shafii showed genuine concern for my condition and he and his team provided excellent care - Jul 31, 2025 by Peter S.Click to read more
Murrieta, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in colonoscopy + 2 more ·
Read bio
Dr. Abbass Shafii has been practicing gastroenterology since 1995. During this time, he has taken care of over 100,000 patients and has done more than 50,000 successful endoscopies. Dr. Shafii is passionate about medicine and patient care. He treats each patient as family. He completed his fellowshi...Click to read more
Next available: Tue, Nov 17

Bryan Sauter, PA-C

Physician Assistant (Gastroenterology) (Virtual)
4.93
·54 reviews
My appointment was very efficient and met my needs. The front desk was very accommodating; the PA listened to my concerns and created a care plan I felt comfortable with. I am looking forward to my continued care through this team. - Aug 5, 2025 by Jennifer A.Click to read more
Murrieta, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Bryan joined United Medical Doctors in June of 2008 as a Physician Assistant and also serves as Medical Director of Advance Practice Providers and Director of Medical Informatics. He graduated from the University of Pittsburgh and received his Physician Assistant degree from Albany Medical College ...Click to read more
Next available: Thu, Oct 29

Bryan Sauter, PA-C

Physician Assistant (Gastroenterology) (Virtual)
4.93
·54 reviews
My appointment was very efficient and met my needs. The front desk was very accommodating; the PA listened to my concerns and created a care plan I felt comfortable with. I am looking forward to my continued care through this team. - Aug 5, 2025 by Jennifer A.Click to read more
Murrieta, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Bryan joined United Medical Doctors in June of 2008 as a Physician Assistant and also serves as Medical Director of Advance Practice Providers and Director of Medical Informatics. He graduated from the University of Pittsburgh and received his Physician Assistant degree from Albany Medical College ...Click to read more
Next available: Mon, Nov 2

Dr. Abbass Shafii, MD

Gastroenterologist (Virtual)
4.92
·48 reviews
Dr Shafii showed genuine concern for my condition and he and his team provided excellent care - Jul 31, 2025 by Peter S.Click to read more
Temecula, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in colonoscopy + 2 more ·
Read bio
Dr. Abbass Shafii has been practicing gastroenterology since 1995. During this time, he has taken care of over 100,000 patients and has done more than 50,000 successful endoscopies. Dr. Shafii is passionate about medicine and patient care. He treats each patient as family. He completed his fellowshi...Click to read more
Next available: Wed, Dec 2

Dr. Ghassan Bachir, MD

Primary Care Doctor (Virtual)
3.90
·21 reviews
I really liked that they were equipped to handle certain specialty needs in house so I didn’t need to wait for a referral somewhere else to clear - Oct 16, 2025 by Alexander B.Click to read more
Fresno, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · 25+ years of experience · Offers video visits ·
Read bio
Dr. Ghassan Bachir is a highly skilled thoracic surgeon in Fresno, CA. He offers in-person and virtual consultations at California Surgical and Medical Clinics Inc. As part of his educational training, Dr. Bachir acquired his medical degree from the Peoples' Friendship University of Russia and comp...Click to read more

Dr. Mohammad Sheikh, MD

Internist (Virtual)
5.00
·15 reviews
Knowledgeable and experienced. Great listener and friendly! - Apr 24, 2026Click to read more
Fresno, CA
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Cost for self-pay: $80 I'm Dr. Mohammad Sheikh, an experienced internal medicine physician dedicated to providing personalized, high-quality care to my patients. I earned my Doctor of Medicine and Bachelor's degrees from California Northstate University. At Phase Care, my focus is on a patient-cent...Click to read more
Next available: Tue, Oct 27

Dr. Bhargava Gannavarapu, MD

Gastroenterologist (Virtual)
4.86
·139 reviews
Overall it was a good experience and I recommend Dr. Bhargava - Aug 3, 2025 by Joseph S.Click to read more
Los Gatos, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in acid reflux + 5 more ·
Read bio
Dr. Bhargava Gannavarapu is a Board Certified Gastroenterologist. He earned his Doctor of Medicine from Rosalind Franklin University of Medicine and Science/The Chicago Medical School. He then completed his residency in Internal Medicine at the University of California, Irvine, followed by a fellows...Click to read more
Next available: Mon, Nov 2

Kelly Imlay, APRN

Adult Nurse Practitioner (Virtual)
San Jose, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Offers video visits ·
Read bio
Ms. Kelly Imlay is an experienced and skilled family nurse practitioner. She provides virtual consultations via beHuman Medical Group. As part of her formal education, Ms. Imlay earned a master's degree in family health nursing from the University of Phoenix. She strives to stay current with the de...Click to read more
Next available: today

Dr. Bhargava Gannavarapu, MD

Gastroenterologist (Virtual)
4.86
·139 reviews
Overall it was a good experience and I recommend Dr. Bhargava - Aug 3, 2025 by Joseph S.Click to read more
Mountain View, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in acid reflux + 5 more ·
Read bio
Dr. Bhargava Gannavarapu is a Board Certified Gastroenterologist. He earned his Doctor of Medicine from Rosalind Franklin University of Medicine and Science/The Chicago Medical School. He then completed his residency in Internal Medicine at the University of California, Irvine, followed by a fellows...Click to read more
Next available: Tue, Oct 27

Dr. Neesheet Parikh, DO

Family Physician (Virtual)
4.69
·2322 reviews
This was a tele consult. Brief conversation but Dr Neesheet was able to diagnose well and recommended recovery procedures - Mar 3, 2021 by Suresh V.Click to read more
Sunnyvale, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 3 more
Accepting new patients · 19 years of experience · Offers video visits ·
Read bio
Dr. Parikh is a Primary Care and Sports Medicine physician at ParikhHealth who truly has a passion for medicine. He enjoys spending time with his patients, getting to know their entire family, and serving the community. He is currently the Chief Medical Officer and Head Team Physician for USA Crick...Click to read more
Next available: today

Dr. Yu-Xuan Dang, MD

Internist (Virtual)
4.83
·228 reviews
The stuff member and doctor are both nice and professional, also the place is nice and clean too. Recommended.Click to read more
Mountain View, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in chronic high blood pressure + 6 more ·
Read bio
Dr. John (Yu-Xuan) Dang is a native of the Bay Area, having lived in the South Bay for the last 30 years. He has been practicing medicine in the Sunnyvale/Mountain View area since 2018. Dr. Dang earned his Bachelor's degree from the University of California, Berkeley, and received his Doctor of Medi...Click to read more
Next available: Thu, Oct 29

Dr. Argenis Curiel, MD

Internist (Virtual)
4.87
·30 reviews
I had a great experience with this dr.curiel! He was kind, attentive, and really took the time to listen. The staff were wonderful too, and everyone made me feel comfortable and welcomed. I felt very well taken care of and would definitely recommend them! - Oct 1, 2026 by Jet Nadine R.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
I believe taking care of your health should fit into your life. Three years ago, I started my televideo clinic with a simple goal: to make personalized primary care more accessible from the comfort of your home. During my three years working at a busy community health center, I saw how much time pa...Click to read more
Next available: today

Tamara Hooper, RN

Family Nurse Practitioner (Virtual)
Markleeville, CA
Accepts Cigna
Accepting new patients · Offers video visits ·
Next available: today

Dr. Gritz Pierre, MD

Family Physician (Virtual)
Markleeville, CA
Accepting new patients · Offers video visits · Expertise in sepsis ·
Read bio
CASH PAY PRACTICE. Please review your email from Tebra for next steps and payment collection. Gritz Pierre, MD, is the founder, owner, and medical director of Genesis Personal Healthcare Medicine. He is a board-certified physician with dual certification in Emergency Medicine and Family Medicine and...Click to read more

Jeremy Montemayor, NP

Nurse Practitioner (Virtual)
4.90
·49 reviews
Jeremy was very easy to talk to and very knowledgeable. He had good suggestios and helped me figure out what would work best for me. - Jul 11, 2026 by Siriaco B.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield + 3 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
*Not in network with Medicaid* Jeremy Montemayor is a board-certified Nurse Practitioner with over 20 years of clinical experience at UCSF and Stanford — now serving California patients evenings and weekends through Weekend NP. About Jeremy Montemayor, NP — Weekend NP, California With more than 20 ...Click to read more
Next available: tomorrow
Calendar Check
1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
I checked out Zocdoc’s website and was pleasantly surprised. I read a lot of positive reviews from most of their providers...My only regret is that I didn’t make an appointment sooner.
Felicia P
Thanks Zocdoc! You have been a lifesaver. I was able to find some of the best doctors. This app makes looking for quality care a lot easier.
Michael L
Zocdoc is great! Please consider using this you won't regret it. I was very, very pleased with my visit my future PCP was great!
Tracy S
National Public Radio
New York Times
Yahoo
Self.com
Verge
Wall Street Journal
Frequently asked questions

How can I make a same-day appointment with a Gastroenterologist in Simi Valley?

On average, patients who use Zocdoc can search for a Gastroenterologist in Simi Valley, book an appointment, and see the Gastroenterologist within 24 hours. Same-day appointments are often available, you can search for real-time availability of Gastroenterologists in Simi Valley who accept your insurance and make an appointment online.

How can I find a Simi Valley Gastroenterologist who takes my insurance?

Zocdoc lets you search specifically for a Simi Valley Gastroenterologist who takes your insurance. Just choose your carrier and plan from the drop-down menu at the top of the page. If you’re not sure which plan you have, you can use Zocdoc’s insurance checker to find out.

How can I book an appointment online with a Gastroenterologist in Simi Valley?

Zocdoc is a free online service that helps patients find Gastroenterologists in Simi Valley and book appointments instantly. You can search for Simi Valley Gastroenterologists by symptom or visit reason. Then, choose your insurance plan. Based on that information, you’ll see a list of providers who meet your search criteria, along with their available appointment slots.

How can I find a female Gastroenterologist in Simi Valley?

When you search for Simi Valley Gastroenterologists on Zocdoc, you can filter your results by gender, in addition to other criteria. That way, you’ll only see Gastroenterologists in Simi Valley who match your preferences.

How can I find a Simi Valley Gastroenterologist who sees patients after hours?

On Zocdoc, you can search specifically for Simi Valley Gastroenterologists with availability after 5 p.m.

How can I find a top-rated Gastroenterologist in Simi Valley?

You can use Zocdoc to find Gastroenterologists in Simi Valley who are highly rated by other patients. These ratings are based on verified reviews submitted by real patients. Every time a patient completes an appointment booked on Zocdoc, they’re invited to review their experience. Each review must comply with Zocdoc’s guidelines.

How can I find a video visit with a Gastroenterologist online in Simi Valley?

Gastroenterologists in Simi Valley on Zocdoc who see patients through online video visits will have a purple video icon on their profiles. You can also filter your search results to show only Gastroenterologists who offer video visits.

Are video visits with a Gastroenterologist online covered by my insurance?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Gastroenterologists in Simi Valley who accept your insurance for video visits by selecting your carrier and plan from the drop-down menu at the top of the page. We recommend you check with your insurance carrier directly to confirm your coverage and out of pocket costs for video visits.

How can I find a Gastroenterologist in Simi Valley who sees patients in the morning or evening?

Zocdoc lets you search specifically for a Gastroenterologist who has appointments available before 10:00 am, or after 5:00 pm. Just choose the special hours filter at the top of our search page.

How can I find a Gastroenterologist in Simi Valley who sees patients during the weekend?

Zocdoc let's you see real-time availability for Gastroenterologists in Simi Valley. Many Gastroenterologists offer appointments on Saturdays and Sundays.

Find doctors

        Zocdoc›Gastroenterologists›San Fernando, CA›Simi Valley, CA