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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.
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Availability last updated 04/22/2026
Availability last updated 04/22/2026

Dr. Marco Paez, MD

Gastroenterologist
4.93
·71 reviews
Doctor was courteous and explained things in detail. Very easy to work with. Highly recommended! - Jan 8, 2025 by Hongdi X.Click to read more
60 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 14 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: Fri, May 15

Dr. Christina Steinhauser, DO

Gastroenterologist
4.97
·88 reviews
Went to Dr. Steinhauser for a IBS consultation. I avoid going to doctors because of past bad experiences but this was nothing like that, she made me feel totally safe and heard. She is a great listener and seems extremely educated and passionate about her field! Highly recommend her if you are looki...Click to read more
60 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 15 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: Fri, May 15

Jalpa Chaudhari, APRN, RN

Nurse Practitioner (Gastroenterology)
60 mi · 250 W Bonita Ave, Ste 250, Pomona, CA 91767
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: today

Dr. Andrew Dam, DO

Gastroenterologist
60 mi · 250 W Bonita Ave, Ste 250, Pomona, CA 91767
Accepting new patients ·
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: Fri, May 22

Dr. James Hwang, MD

Gastroenterologist
5.00
·1 review
- Apr 1, 2026 by Tiffany H.Click to read more
62.5 mi · 1140 W La Veta Ave, Ste 555, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients · Highly recommended · 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, Apr 28

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·3 reviews
55 mi · 5455 Garden Grove Blvd Suite 230, Westminster, CA 92683
Accepts Aetna, BlueCross BlueShield, Cigna + 24 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, May 19

Dr. William Hsueh, MD

Gastroenterologist
63.5 mi · 13768 Roswell Ave, Ste 219, Chino, CA 91710
Accepting new patients · Expertise in irritable bowel syndrome (ibs) + 7 more ·
Read bio
Dr. William Hsueh is a board-certified gastroenterologist who completed his Internal Medicine residency at MedStar Georgetown University Hospital and his fellowship in Gastroenterology at MedStar Washington Hospital Center. He is passionate about providing comprehensive care for patients with digest...Click to read more
Next available: Tue, Apr 28

Dr. Arwa Zakaria, DO

Gastroenterologist
63.5 mi · 13768 Roswell Ave, Ste 219, Chino, CA 91710
Accepting new patients ·
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, Apr 28

Sheyanne Espiritu, APRN, NP

Family Nurse Practitioner
4.72
·58 reviews
Super friendly staff and overall experience was great 10/10! - Mar 19, 2026 by Alejandro B.Click to read more
63.5 mi · 218 W 4th St U, Santa Ana, CA 92701
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
I’ve been caring for patients for over seven years, first as a registered nurse and now as a nurse practitioner since 2023. My experience spans both hospital and outpatient settings, with the last four years focused on primary care for patients of all ages, along with urgent care in both virtual and...Click to read more
Next available: tomorrow

Dr. Arwa Zakaria, DO

Gastroenterologist
71.5 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
Accepting new patients ·
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: today

Dr. William Hsueh, MD

Gastroenterologist
71.5 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
Accepting new patients · Expertise in irritable bowel syndrome (ibs) + 7 more ·
Read bio
Dr. William Hsueh is a board-certified gastroenterologist who completed his Internal Medicine residency at MedStar Georgetown University Hospital and his fellowship in Gastroenterology at MedStar Washington Hospital Center. He is passionate about providing comprehensive care for patients with digest...Click to read more
Next available: Mon, Apr 27

Dr. Bhavesh Patel, MD

Gastroenterologist
5.00
·2 reviews
71.5 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 11 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, Apr 28

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 + 43 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

Rachel Roth, PA-C

Physician Assistant
4.80
·132 reviews
PA Roth is very professional, friendly, and explains everything very thoroughly! - Oct 7, 2025Click to read more
69 mi · 369 San Miguel Dr, Ste 200, Newport Beach, CA 92660
Accepts Aetna, BlueCross BlueShield, Cigna + 43 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: Mon, Apr 27

Dr. Abdul Khan, MD

Internist
4.56
·18 reviews
It was a positive experience, I did no feel rushed. I was seen same day, no wait. by CMClick to read more
65.5 mi · 275 Victoria St, Ste 1E, Costa Mesa, CA 92627
Accepts Aetna, BlueCross BlueShield, Cigna + 16 more
Accepting new patients · 25+ years of experience · Excellent wait timeExpertise in bronchitis + 9 more
Next available: Wed, Apr 29

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·3 reviews
64.5 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
Accepts Aetna, BlueCross BlueShield, Cigna + 24 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, May 12

Sagarika Basu, PA

Physician Assistant (Gastroenterology)
71.5 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
Accepting new patients · Expertise in acute hemorrhoids ·
Read bio
Received Master of Science degree in Phyician Assistant Studies in 2021 from the Nova Southeaster University in Florida. Rika graduated from UCSD with Bachelor of Science in Public Health in 2018. She has practiced as Physician Assistant with Gastroenterology group in Orlando, Florida before joinin...Click to read more
Next available: today

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·3 reviews
66.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 24 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, Apr 28

Ashlee Shapiro, PA

Physician Assistant
4.80
·147 reviews
I had a great experience at the doctors office! I feel like I was really listened to and my concerns were definitely heard - Jun 25, 2024 by Brittany F.Click to read more
69 mi · 369 San Miguel Dr, Ste 200, Newport Beach, CA 92660
Accepts Aetna, BlueCross BlueShield, Cigna + 43 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. James Hwang, MD

Gastroenterologist
5.00
·1 review
- Apr 1, 2026 by Tiffany H.Click to read more
73 mi · 12442 Limonite Ave, Ste 209, Eastvale, CA 91752
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients · Highly recommended · 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: Thu, May 7

Jaquolin Eskandr, FNP

Family Nurse Practitioner (Virtual)
4.88
·248 reviews
Very attentive and caring overall. Extremely punctual staff. - May 25, 2023 by Ryan S.Click to read more
Newport Beach, CA
Accepts Aetna, BlueCross BlueShield, Medicare + 8 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, Apr 27

Jaquolin Eskandr, FNP

Family Nurse Practitioner
4.88
·248 reviews
Very attentive and caring overall. Extremely punctual staff. - May 25, 2023 by Ryan S.Click to read more
69 mi · 400 Newport Center Dr, Ste 301, Newport Beach, CA 92660
Accepts Aetna, BlueCross BlueShield, Medicare + 8 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, May 5

Dr. Ghassan Bachir, MD

Primary Care Doctor (Virtual)
3.56
·16 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 + 10 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
·12 reviews
I would highly recommend this doctor! He was very respectful and good natured. He listened to my concerns very patiently and advised me according. by SKClick 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: tomorrow

Dr. Neesheet Parikh, DO

Family Physician (Virtual)
4.70
·2249 reviews
Very friendly and engaging. He listens and provides multiple options for my concerns. by Kim K.Click to read more
Sunnyvale, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 9 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

Anna Mekhed

Family Nurse Practitioner (Virtual)
4.92
·74 reviews
Going on Zocdoc was nearly effortless. I would recommend using it! - Aug 20, 2025 by Patricia M.Click to read more
Markleeville, CA
Accepts Aetna, Medicare, UnitedHealthcare + 2 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
This provider currently accepts United Healthcare, Aetna, self pay (payable prior to the visit) and Medicare Part B Fee For Service Original Medicare insurance without secondary insurance, such as Medi-Cal or Medigap. Please reach out to confirm insurance and verify co-payment, deductible, or co-ins...Click to read more
Next available: today

Dr. David Byron, MD

Family Physician (Virtual)
5.00
·3 reviews
The doctor was very attentive and helpful. - Feb 1, 2026 by Alexandre K.Click to read more
Markleeville, CA
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in pneumonia and respiratory infections + 3 more ·
Read bio
Hi there! I’m Dr. David Byron. Here are my main areas of practice: Concierge Medicine TRT and beyond for Men Hormone Optimization for Women - Pre- menopausal Hormone replacement for Women- Menopausal PCOS Medical Weight Loss Peptide Guidance and Management ADHD Monthly Medication Optimization an...Click to read more
Next available: tomorrow

Jennifer Recker, APRN, FNP-BC

Family Nurse Practitioner (Virtual)
5.00
·7 reviews
Booking an in-home appt with The Natural Np was super convenient! It saved me from using my PTO or sick time just to see a medical professional. NP Jennifer showed up early, was really friendly, and answered all my questions clearly. She even followed up later with the recommendations I asked for. I...Click to read more
Markleeville, CA
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Jen is a board-certified full practice Family Nurse Practitioner and former ICU, acute care nurse. She has been a nurse since 2013 and a nurse practitioner since 2018. Jen has a bachelor’s degree from the University of Illinois, a master’s degree in nursing from DePaul University, and a post-master...Click to read more
Next available: Fri, Apr 24

Dr. Dina Albaree, DO

Internist (Virtual)
4.50
·60 reviews
Doctor and assisting office staff were very quick and helpful! They helped get me what I needed. - Jun 24, 2024Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 43 more
Accepting new patients · Offers video visits ·
Read bio
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

Ashlee Shapiro, PA

Physician Assistant (Virtual)
4.80
·147 reviews
I had a great experience at the doctors office! I feel like I was really listened to and my concerns were definitely heard - Jun 25, 2024 by Brittany F.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 43 more
Accepting new patients · Offers video visits · 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

Anna Mekhed

Family Nurse Practitioner (Virtual)
4.92
·74 reviews
Going on Zocdoc was nearly effortless. I would recommend using it! - Aug 20, 2025 by Patricia M.Click to read more
Markleeville, CA
Accepts Aetna, Medicare, UnitedHealthcare + 2 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
This provider currently accepts United Healthcare, Aetna, self pay (payable prior to the visit) and Medicare Part B Fee For Service Original Medicare insurance without secondary insurance, such as Medi-Cal or Medigap. Please reach out to confirm insurance and verify co-payment, deductible, or co-ins...Click to read more
Next available: today

Rachel Roth, PA-C

Physician Assistant (Virtual)
4.80
·132 reviews
PA Roth is very professional, friendly, and explains everything very thoroughly! - Oct 7, 2025Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 43 more
Accepting new patients · Offers video visits · 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: Mon, Apr 27

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 + 43 more
Accepting new patients · Offers video visits ·
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

Bhavana Akotia, PA-C

Physician Assistant (Gastroenterology) (Virtual)
4.93
·29 reviews
- Apr 3, 2026 by Sherraine E.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
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: Fri, Apr 24

Rachel Oliver, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·30 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Rachel Oliver 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. Rachel Oliver is a gastrointestinal ...Click to read more
Next available: Mon, Apr 27

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 + 7 more
Accepting new patients · Offers video visits · Highly recommended · Expertise in acute stomach inflammation/infection + 1 more ·
Read bio
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: Mon, Apr 27

Ashley Anderson, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·32 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 + 7 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
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, Apr 27

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 + 7 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: Mon, Apr 27

Christie Morrison, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·31 reviews
- Apr 11, 2026 by Lisa M.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Christie Morrison is a nurse practitioner who brings over a decade of gastroenterology-specific experience to Oshi Health. At Oshi, she cares for GI patients virtually and manages a team of GI providers. She also works part-time at the Texas Digestive Disease Center in San Antonio, treating patients...Click to read more
Next available: Mon, Apr 27

Theresa Obonyano, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·31 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Highly recommended ·
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, Apr 27

Ji Soo (Claire) Choi, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·36 reviews
The best experience I’ve ever had with a doctor and very knowledgeable on the issues (symptoms, causes, treatments, etc) as well. Definitely recommend for any GI issues - Feb 2, 2026 by Jeff N.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 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: Mon, Apr 27

Sarah O'Rourke, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·30 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Sarah O’Rourke is a seasoned nurse practitioner with a background in treating patients with inflammatory bowel disease (IBD). In her role at Oshi Health, she’s passionate about educating IBD patients and helping them manage and prevent symptom flares. Prior to joining Oshi, Sarah worked with leadi...Click to read more
Next available: Mon, Apr 27

Rebecca Humphries, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.94
·35 reviews
I like that she took the time to evaluate me. I felt comfortable and I liked that she listened to my concerns. - Feb 12, 2026 by Norma B.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · 18 years of experience · Offers video visits · Highly recommended ·
Read bio
Rebecca Humphries is a compassionate and experienced nurse practitioner with over 15 years of focused work in gastroenterology. Her deep understanding of gastrointestinal (GI) health, paired with her warm, whole-person approach to care, helps patients feel seen, heard, and supported. She was even re...Click to read more
Next available: Tue, Apr 28

Robbie Leinart, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·31 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 + 7 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause ·
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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, Apr 30

Louise Babikow, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·32 reviews
- Mar 10, 2026 by Maia M.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Louise Babikow 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. Louise Babikow is an experienced ce...Click to read more
Next available: Tue, May 12

Dr. Jayshree Chander, MD

Family Physician (Virtual)
BERKELEY, CA
Accepting new patients · 25+ years of experience · Offers video visits ·
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Jayshree Chander, MD, MPH is a board-certified Family Medicine and Preventive Medicine physician with over 30 years of clinical experience. **Please note, I do not prescribe controlled substances.** She is the founder of Beyond Holistic Health, an integrative medical practice offering personalized...Click to read more
Next available: Fri, Apr 24

Amy Bontempo-Hernandez, NP

Family Nurse Practitioner
16.5 mi · 23838 Valencia Blvd, # 220, Santa Clarita, CA 91355
Accepting new patients ·
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Amy Bontempo, MSN, FNP-BC, admits she did not always picture herself working in the medical field. When she was eighteen, she pursued a career in cosmetology. However, when her son was born with congenital heart disease, she found a passion for nursing. Her son went through a number of open-heart su...Click to read more

Dr. Gian Hernandez, DO

Family Physician
16.5 mi · 23838 Valencia Blvd, # 220, Santa Clarita, CA 91355
Accepting new patients · 25+ years of experience · Expertise in acute urinary tract infection + 1 more ·
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Dr. Gian Hernandez graduated from Oklahoma State University College of Osteopathic Medicine in 1999. He completed a residency in Family Medicine at Long Beach Memorial Medical Center in 2006. Dr. Gian Hernandez is a Board Certified Family Medicine physician. In the early part of his career he was ac...Click to read more

Cecilia Regalado, FNP

Family Nurse Practitioner
22.5 mi · 12626 Riverside Dr, Unit 301, Valley Village, CA 91607
Accepts Medicare
Also offers video visits · Accepting new patients ·
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Ms. Cecilia Regalado is an experienced family nurse practitioner. She practices at Valley Village Health Clinic in Valley Village, CA, and also offers virtual consultations. As part of her formal education, Ms. Regalado acquired a bachelor's degree and a master's degree in nursing from West Coast U...Click to read more

Cecilia Regalado, FNP

Family Nurse Practitioner (Virtual)
Valley Village, CA
Accepts Medicare
Accepting new patients · Offers video visits ·
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Ms. Cecilia Regalado is an experienced family nurse practitioner. She practices at Valley Village Health Clinic in Valley Village, CA, and also offers virtual consultations. As part of her formal education, Ms. Regalado acquired a bachelor's degree and a master's degree in nursing from West Coast U...Click to read more

Dr. Dion Banoian, MD

Internist
5.00
·26 reviews
Dr. Banoian was amazing! Very kind and understanding, explained everything we discussed very well. - Dec 30, 2025 by Isabelle S.Click to read more
26.5 mi · 3808 W Riverside Dr, Ste 120, Burbank, CA 91505
Accepts Medicare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Dion Banoian is a Los Angeles native who immigrated to the United States at the age of eight. His passion for health and wellness began early, working as a personal trainer during his teenage years before serving the community as a first responder and emergency medical technician. He earned his ...Click to read more

Dr. Gevorg Grigoryan, MD

Primary Care Doctor
4.83
·6 reviews
- Dec 16, 2025 by Philip J.Click to read more
26.5 mi · 3808 W Riverside Dr, Ste 120, Burbank, CA 91505
Accepts Medicare
Accepting new patients ·
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Originally from Gyumri, Armenia, Dr. Gevorg Grigoryan is a compassionate and dedicated internal medicine physician providing both hospital and primary care services. Before moving to the United States, Dr. Grigoryan practiced as an obstetrician-gynecologist in Armenia, where he developed a strong fo...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
27 mi · 50 N La Cienega Blvd, Ste 218, Beverly Hills, CA 90211
Accepts Aetna, BlueCross BlueShield, Cigna + 43 more
Also offers video visits · Accepting new patients ·
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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

Dr. Hapetnak Shaybekyan, MD

Family Physician
4.90
·231 reviews
Excellent experience from A through Z. Highly recommend.Click to read more
28 mi · 7412 Foothill Blvd, Tujunga, CA 91042
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Highly recommended · Excellent wait time ·
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WellBridge Health Center Located in the heart of Tujunga, WellBridge Health Center was established to serve a community that has long been underserved when it comes to accessible, high-quality primary care. We are proud to be a local, physician-led practice dedicated to building meaningful relations...Click to read more

Dr. Ramachandran Srinivasan, MD, FACR

Rheumatologist
3.94
·54 reviews
The staff and Dr. Luisana were very nice, intelligent and provide fast and efficient service. - May 23, 2017 by Mario C.Click to read more
30.5 mi · 1300 N Vermont Ave, Suite 606, Los Angeles, CA 90027
Accepts Aetna, Cigna, UnitedHealthcare + 5 more
Accepting new patients · 25+ years of experience · Expertise in fibromyalgia and chronic pain and fatigue + 7 more ·
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Dr. Ramachandran Srinivasan, MD, FACR, completed his Medical Diploma/M.B.B.S. (Bachelor of Medicine, Bachelor of Surgery) at Andhra Medical College, India. He completed his internship at Lakewood Hospital, Ohio. He then finished his Internal Medicine Residency at Veterans Affairs Los Angeles Healthc...Click to read more
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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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