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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 08/20/2026
Availability last updated 08/20/2026

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: Tue, Aug 25

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
55 mi · 5455 Garden Grove Blvd, Ste 230, Westminster, CA 92683
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients ·
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, Sep 8

Jalpa Chaudhari, APRN, RN

Nurse Practitioner (Gastroenterology)
60 mi · 250 W Bonita Ave, Ste 250, Pomona, CA 91767
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients ·
Read bio
Jalpa Chaudhari, NP, has over 15 years of experience as a Registered Nurse and has spent the last 5 years as a Gastroenterology Nurse Practitioner. With her extensive clinical background, she brings a wealth of knowledge and expertise to her practice, specializing in the care and management of gastr...Click to read more
Next available: Mon, Aug 24

Dr. Arwa Zakaria, DO

Gastroenterologist
5.00
·2 reviews
63.5 mi · 13768 Roswell Ave, Ste 219, Chino, CA 91710
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Arwa Zakaria is a highly trained gastroenterologist with extensive education and clinical experience. She earned her Doctor of Osteopathic Medicine degree from Lincoln Memorial University and completed her Internal Medicine residency at Greenville Health System, where she also served as Chief Re...Click to read more
Next available: Tue, Aug 25

Dr. Haig Najarian, MD

Gastroenterologist
5.00
·31 reviews
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 + 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, Sep 3

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·7 reviews
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, Sep 29

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
56.5 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients ·
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, Sep 1

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·7 reviews
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: Thu, Sep 3

Dr. Hussein Abidali, DO

Gastroenterologist
4.50
·2 reviews
Able to get an appointment for just a few days later! Doctor took action and ordered lots of tests to try to get to the bottom of my health issue. Grateful for such quick appointment availability. - Jul 26, 2026 by Dana W.Click to read more
63.5 mi · 13768 Roswell Ave, Ste 219, Chino, CA 91710
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Excellent wait time · Expertise in acid reflux + 5 more ·
Read bio
Hussein Abidali, DO, is a board-certified gastroenterologist at Platinum Digestive Health in Rancho Cucamonga, California. With a wealth of credentials and extensive training, Dr. Abidali is dedicated to providing comprehensive and advanced care in gastroenterology. Dr. Abidali holds certifications...Click to read more
Next available: Wed, Sep 2

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 · 25+ years of experience · Highly recommended · Expertise in chronic inflammatory bowel disease (ibd) + 7 more ·
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: Tue, Sep 22

Dr. Hardeep Singh, MD

Gastroenterologist
5.00
·31 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 · 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: Tue, Sep 29

Dr. Alexander Tran, DO

Internist (Virtual)
5.00
·10 reviews
Dr. Tran addressed all of my concerns. I felt reassured and comfortable at the and of our visit. by KBClick to read more
Fullerton, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Tran is an internist at Pyo Clinic in Upland, CA. He also offers virtual consultations. He welcomes adult patients with common illnesses, chronic diseases, and minor injuries that affect their quality of life. Dr. Tran understands patients' conditions and prepares individualized treat...Click to read more
Next available: Tue, Sep 1

Dr. Alexander Tran, DO

Internist
5.00
·10 reviews
Dr. Tran addressed all of my concerns. I felt reassured and comfortable at the and of our visit. by KBClick to read more
57.5 mi · 2000 E Chapman Ave, Ste 100, Fullerton, CA 92831
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Tran is an internist at Pyo Clinic in Upland, CA. He also offers virtual consultations. He welcomes adult patients with common illnesses, chronic diseases, and minor injuries that affect their quality of life. Dr. Tran understands patients' conditions and prepares individualized treat...Click to read more
Next available: Tue, Sep 1

Dr. Bhavesh Patel, MD

Gastroenterologist
5.00
·13 reviews
He was very attentive and nice. - Jun 8, 2026Click to read more
63.5 mi · 13768 Roswell Ave, Ste 219, Chino, CA 91710
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in acute gastrointestinal bleeding + 5 more ·
Read bio
Bhavesh Patel, MD, FACG Gastroenterologists in Los Angeles and San Bernardino county Co-Founder at Platinum Digestive Health Bhavesh Patel MD FACG, is a board-certified gastroenterologist at Platinum Digestive Health in Rancho Cucamonga, California. He enjoys caring for men and women of all ages, re...Click to read more
Next available: Tue, Sep 15

Dr. Javed Sadiq, MD

Gastroenterologist
4.88
·196 reviews
The doctor is very nice and friendly. He prescribed me lab tests - Sep 14, 2023 by Jian Z.Click to read more
64.5 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
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: Thu, Sep 3

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, Sep 14

Dr. Essam Quraishi, MD

Gastroenterologist
4.73
·77 reviews
It was great. The doctor listen and was nice. The staff was very friendly. The office was clean. - Feb 24, 2023 by Charity R.Click to read more
64.5 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · 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, Sep 29

Dr. Bhavesh Patel, MD

Gastroenterologist
5.00
·13 reviews
He was very attentive and nice. - Jun 8, 2026Click to read more
71.5 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in acute gastrointestinal bleeding + 5 more ·
Read bio
Bhavesh Patel, MD, FACG Gastroenterologists in Los Angeles and San Bernardino county Co-Founder at Platinum Digestive Health Bhavesh Patel MD FACG, is a board-certified gastroenterologist at Platinum Digestive Health in Rancho Cucamonga, California. He enjoys caring for men and women of all ages, re...Click to read more
Next available: Tue, Aug 25

Dr. Andrew Dam, DO

Gastroenterologist
5.00
·1 review
71.5 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended ·
Read bio
Dr. Dam is a gastroenterologist from Los Angeles, California, who completed his medical education at Touro University California. He went on to serve as Chief Resident during his Internal Medicine residency and completed his Gastroenterology fellowship at Larkin Community Hospital in Miami. Dr. Dam...Click to read more
Next available: Wed, Sep 9

Dr. Hardeep Singh, MD

Gastroenterologist
5.00
·31 reviews
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, Sep 10

Dr. Essam Quraishi, MD

Gastroenterologist
4.73
·77 reviews
It was great. The doctor listen and was nice. The staff was very friendly. The office was clean. - Feb 24, 2023 by Charity R.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 · Highly recommended · 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: Mon, Sep 14

Dr. Hussein Abidali, DO

Gastroenterologist
4.50
·2 reviews
Able to get an appointment for just a few days later! Doctor took action and ordered lots of tests to try to get to the bottom of my health issue. Grateful for such quick appointment availability. - Jul 26, 2026 by Dana W.Click to read more
71.5 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Excellent wait time · Expertise in acid reflux + 5 more ·
Read bio
Hussein Abidali, DO, is a board-certified gastroenterologist at Platinum Digestive Health in Rancho Cucamonga, California. With a wealth of credentials and extensive training, Dr. Abidali is dedicated to providing comprehensive and advanced care in gastroenterology. Dr. Abidali holds certifications...Click to read more
Next available: tomorrow

Daniel Chiu, NP

Nurse Practitioner (Gastroenterology)
5.00
·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 HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** Daniel Chiu is a Board Certified Nurse Practitioner who graduated from Azusa Pacific University with his Master of Science in Nursing with an emphasis in adult gerontology. He was honored w...Click to read more
Next available: Wed, Sep 2

Dr. Henry Cheng, MD

Family Physician
4.64
·119 reviews
Dr. Cheng is very smart and always is able to make me feel better and figure out what is wrong. by Kiersten A.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: Tue, Aug 25

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
64.5 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients ·
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, Aug 28

Dr. Arwa Zakaria, DO

Gastroenterologist
5.00
·2 reviews
71.5 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Arwa Zakaria is a highly trained gastroenterologist with extensive education and clinical experience. She earned her Doctor of Osteopathic Medicine degree from Lincoln Memorial University and completed her Internal Medicine residency at Greenville Health System, where she also served as Chief Re...Click to read more
Next available: Wed, Aug 26

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·7 reviews
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 ·
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, Sep 8

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·7 reviews
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: Wed, Sep 2

Rachel Roth, PA-C

Physician Assistant
4.76
·203 reviews
She is a great listener and extremely helpful. I highly recommend! - Jan 16, 2026 by Marie Lin C.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: Tue, Sep 8

Ashlee Shapiro, PA

Physician Assistant
4.80
·146 reviews
Had a great appointment, incredibly easy to use and great customer service! ? - Jul 2, 2024 by mollie P.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

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

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
66.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients ·
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: Mon, Sep 14

Jaquolin Eskandr, FNP

Family Nurse Practitioner (Virtual)
4.85
·254 reviews
Good doctor, wait time is around 15 mins, a lot of paperwork to fill - Apr 26, 2023Click 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, Aug 24

Jaquolin Eskandr, FNP

Family Nurse Practitioner
4.85
·254 reviews
Good doctor, wait time is around 15 mins, a lot of paperwork to fill - Apr 26, 2023Click 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: Fri, Aug 28

Dr. Ghassan Bachir, MD

Primary Care Doctor (Virtual)
3.79
·19 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
I saw Dr. Sheikh for my migraines and had a great experience. He listened to my concerns, took the time to explain everything, and gave me various options for a treatment plan. The treatment plan we started has already made a big difference. I highly recommend Dr. Sheikh! by AMClick 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: Mon, Aug 24

Dr. Eduardo da Silveira, MD

Gastroenterologist (Virtual)
4.83
·291 reviews
Doctor was attentive and a great listener. He gave me so much information and gave me hope with my condition. So so happy - Nov 30, 2023 by Liza G.Click to read more
Los Gatos, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in colonoscopy + 3 more ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** ** LOCATION: NORTHERN CALIFORNIA ( LOS GATOS, MOUNTAIN VIEW) ** I am a Board-Certified Gastroenterologist with expertise in endoscopy. My practice focuses on diagnostic and therapeutic end...Click to read more
Next available: Wed, Aug 26

Dr. Yu-Xuan Dang, MD

Internist (Virtual)
4.83
·225 reviews
He was great! Listened well and was able to quickly help me with all that I needed. - Sep 16, 2024 by Elizabeth H.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 8

Maria Recanita Jhocson, RN

Family Nurse Practitioner (Virtual)
5.00
·1 review
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time
Next available: today

Ebony Hillery, RN

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

Lora Campos, NP

Family Nurse Practitioner (Virtual)
5.00
·3 reviews
Compassionate and caring - Jul 23, 2026 by Ashley J.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time
Next available: today

Tamara Hooper, RN

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

Theresa Obonyano, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·34 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Theresa Obonyano sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Theresa Obonyano is a family nurs...Click to read more
Next available: Mon, Aug 24

Ashley Anderson, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·34 reviews
Dr. Anderson was very polite, knowledgeable and such a big help. I appreciated her for explaining things and answering all of my questions. I’ve searched for help with my condition and I have a feeling she will help me. - Mar 25, 2026 by Kiara D.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Ashley Anderson, a board-certified family nurse practitioner, brings over 20 years of experience to Oshi Health. She aims to provide compassionate care that improves symptoms and elevates patient quality of life. Before joining Oshi, Ashley spent 17 years in a private outpatient gastroenterology a...Click to read more
Next available: Mon, Aug 24

Chimdi Mfebe, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.87
·31 reviews
Never got a phone call!!!!! - Feb 2, 2026 by Amy R.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Expertise in acute stomach inflammation/infection + 1 more ·
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Chimdi Mfebe sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Chimdi Mfebe is a nurse practitioner ...Click to read more
Next available: Tue, Aug 25

Ji Soo (Claire) Choi, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.98
·42 reviews
Claire is highly intelligent and a great provider. She is thoughtful, listens and is very knowledgeable about gastrointestinal issues. I strongly recommend going to Claire. - Mar 5, 2026 by Domenic T.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Ji Soo (Claire) sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Ji Soo (Claire) Choi is an experie...Click to read more
Next available: Tue, Aug 25

Bhavana Akotia, PA-C

Physician Assistant (Gastroenterology) (Virtual)
4.93
·29 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Bhavana Akotia is a seasoned physician assistant with over two decades of experience in gastroenterology. Since working with Oshi Health as an independent contractor, she’s seen how effective a collaborative team approach can be in treating gastrointestinal (GI) conditions. Previously, Bhavana prac...Click to read more
Next available: Tue, Aug 25

Ashlee Shapiro, PA

Physician Assistant (Virtual)
4.80
·146 reviews
Had a great appointment, incredibly easy to use and great customer service! ? - Jul 2, 2024 by mollie P.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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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

Dr. Natalie Marino, MD

Family Physician (Virtual)
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
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients · Offers video visits ·
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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

Rachel Roth, PA-C

Physician Assistant (Virtual)
4.76
·203 reviews
She is a great listener and extremely helpful. I highly recommend! - Jan 16, 2026 by Marie Lin C.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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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: Tue, Sep 8

Dr. Dina Albaree, DO

Internist (Virtual)
4.50
·60 reviews
Dr. Albaree was professional and very friendly. I would recommend her highly for a primary care doctor. - Sep 26, 2024Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients · Offers video visits ·
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Dr. Dina Albaree is an esteemed Internist specializing in General Internal Medicine and Primary Care, providing in-person services at Horizon Dermatology & Primary Care Medical Clinic in Beverly Hills, California. She also offers virtual appointments throughout California, ensuring accessibility for...Click to read more

Alexandra Hudak, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits ·
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Alexandra Hudak is a board-certified nurse practitioner who cares deeply about helping patients navigate digestive health concerns. At Oshi, she treats each patient as a whole person—not just a diagnosis. Her goal is to build strong, trusting partnerships with patients, where education and preventio...Click to read more
Next available: Wed, Aug 26

Dr. Carol Webb, MD

Internist (Virtual)
2.71
·7 reviews
I got zero help luckily I am supposed to be getting refunded for the appointment but I really really needed medical help and got none. I would rather have had the help I needed why did the app even ask me what pharmacy I needed or list a bunch of illnesses that need meds if they can't provide them. ...Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · 16 years of experience · Offers video visits · Excellent wait timeExpertise in chronic high blood pressure + 3 more
Next available: Wed, Aug 26

Jan Seiler, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·33 reviews
Jan was very kind, understanding, and listened to my concerns. It was great to actually felt heard by a doctor instead of just dismissed. - Apr 7, 2026 by Avery B.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Expertise in acute stomach inflammation/infection + 1 more ·
Read bio
Jan Seiler has worked as a gastroenterology nurse practitioner for over two decades. At Oshi Health, she takes a whole-person approach to gastrointestinal (GI) care, making sure to take the time to listen to patient needs and concerns. Before working at Oshi, she worked in a large brick-and-mortar...Click to read more
Next available: Thu, Aug 27

Robbie Leinart, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·35 reviews
Very informative, Great energy, and efficient service, - Apr 7, 2026 by Latisha D.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause ·
Read bio
Robbie Leinart sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Robbie Leinart is an Adult Health N...Click to read more
Next available: Thu, Aug 27
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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.

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