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315 verified Gastroenterologists in Fontana, 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 07/12/2026
Availability last updated 07/12/2026

Dr. Bhavesh Patel, MD

Gastroenterologist
5.00
·9 reviews
He was very attentive and nice. - Jun 8, 2026Click to read more
7 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, Jul 14

Dr. Hussein Abidali, DO

Gastroenterologist
7 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · 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: Fri, Jul 17

Dr. Arwa Zakaria, DO

Gastroenterologist
7 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
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: Wed, Jul 22

Dr. Andrew Dam, DO

Gastroenterologist
7 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
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: Wed, Aug 5

Dr. James Hwang, MD

Gastroenterologist
4.33
·3 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
10.5 mi · 12442 Limonite Ave, Ste 209, Eastvale, CA 91752
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: Wed, Aug 26

Regina Robertson, NP

Family Nurse Practitioner
4.32
·22 reviews
Provider listened and provided good feedback and information pertaining to my issues. A clear plan was communicated to address my health problems. Regina was caring and empathetic. - Mar 31, 2026 by Marcia S.Click to read more
8.5 mi · 4646 Brockton Ave, Ste 201, Riverside, CA 92506
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients ·
Read bio
Regina Robertson, MSN, APRN, FNP-BC, is a compassionate and experienced Nurse Practitioner with more than 30 years in nursing and advanced clinical care. She is dedicated to providing thoughtful, patient-centered primary care that focuses on both physical and emotional well-being. Regina holds a Mas...Click to read more
Next available: tomorrow

Sagarika Basu, PA

Physician Assistant (Gastroenterology)
7 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
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: Tue, Jul 28

Jalpa Chaudhari, APRN, RN

Nurse Practitioner (Gastroenterology)
18 mi · 250 W Bonita Ave, Ste 250, Pomona, CA 91767
Accepts Aetna, BlueCross BlueShield, Cigna + 5 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: Tue, Aug 4

Dr. Marco Paez, MD

Gastroenterologist
4.94
·77 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
27.5 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: Wed, Jul 22

Dr. Christina Steinhauser, DO

Gastroenterologist
4.97
·94 reviews
She is so easy to talk to. Explained everything we needed to know. She answered all our questions. She’s an amazing Dr - Jun 3, 2025 by MARK K.Click to read more
27.5 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: Wed, Aug 12

Dr. Henry Cheng, MD

Family Physician
4.64
·119 reviews
Really liked him, easy to understand, explained things well,! - Feb 15, 2016 by Rachelle M.Click to read more
26 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, Jul 14

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
32.5 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: Wed, Jul 15

Dr. Alaa Abousaif, MD

Gastroenterologist
4.85
·34 reviews
32.5 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
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** 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 expe...Click to read more
Next available: Thu, Jul 16

Dr. Sunny Lo, DO

Gastroenterologist
5.00
·14 reviews
Welcoming atmosphere since the arrival until the end of the procedure. I felt everyone treated me with dignity and respect during the treatment. Thank you for having outstanding practice and professionalism. by PCClick to read more
35.5 mi · 612 W Duarte Rd, Ste 601, Arcadia, CA 91007
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Expertise in acute stomach inflammation/infection + 4 more ·
Read bio
Dr. Sunny Lo is board-certified and fellowship-trained in gastroenterology and hepatology. He is a member of the American College of Gastroenterology and has trained extensively in endoscopy, colonoscopy, and endoscopic retrograde cholangiopancreatography (ERCP) procedures. His medical interests ran...Click to read more
Next available: Tue, Jul 14

Dr. James Lee, MD

Gastroenterologist
4.97
·30 reviews
32.5 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: Wed, Aug 5

Dr. Haig Najarian, MD

Gastroenterologist
5.00
·31 reviews
32.5 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: Wed, Aug 5

Dr. Hardeep Singh, MD

Gastroenterologist
5.00
·31 reviews
32.5 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: Wed, Aug 19

Dr. Javed Sadiq, MD

Gastroenterologist
4.88
·196 reviews
Truly the nicest Doctor I’ve ever met. Warm, engaging to the point! No the is top rated! - May 20, 2026 by Steven B.Click to read more
34 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: Tue, Aug 11

Dr. Bardia Sadr, MD

Internist
32.5 mi · 2141 W Orangewood Ave, Orange, CA 92868
Accepts Aetna, Medicare
Also offers video visits · Accepting new patients · Expertise in chronic high blood pressure + 2 more ·
Read bio
Dr. Bardia Sadr is a board-certified internal medicine physician with more than 15 years of experience caring for adults in the Irvine community.Click to read more
Next available: Tue, Jul 14

Dr. Shahab Zahed, MD

Internist
32.5 mi · 2141 W Orangewood Ave, Orange, CA 92868
Accepts Aetna, Medicare
Also offers video visits · Accepting new patients · 25+ years of experience ·
Read bio
Over 20 years of experience caring for adults in the Orange County community. Affiliated with Mission Hospital, Fountain Valley Regional, and MemorialCare Orange Coast Medical Center.Click to read more
Next available: Tue, Jul 14

Dr. Essam Quraishi, MD

Gastroenterologist
4.72
·76 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
37 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 · 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, Jul 27

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
31.5 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

Stephen Leon, FNP

Family Nurse Practitioner
5.00
·23 reviews
Dr. Stephen was so nice and easy to talk to. Will be booking with him again. by MEClick to read more
34.5 mi · 218 W 4th St, Santa Ana, CA 92701
Accepts Aetna, BlueCross BlueShield, Cigna + 3 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
I was raised in the Redlands/Mentone area of the empire from which I graduated from CSU San Bernardino with my Bachelors in Psychology. I’ve been moved to Sacramento to attend Samuel Merritt University for both RN and NP programs. My first two years I worked solely within FQHC population and have sp...Click to read more
Next available: tomorrow

Daniel Chiu, NP

Nurse Practitioner (Gastroenterology)
5.00
·30 reviews
32.5 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: Thu, Jul 16

Dr. Octaviano Roges, MD

Family Physician
5.00
·3 reviews
Dr. Octaviano Roges was excellent. He was kind, compassionate, and took the time to truly listen to my concerns. He made me feel comfortable from the beginning of the visit, explained everything clearly, and developed a thoughtful treatment plan tailored to my situation. I never felt rushed, and ...Click to read more
33.5 mi · 1211 W La Palma Ave, Ste 408, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in coronary artery disease + 9 more ·
Read bio
Dr. Rogés completed his Family Medicine residency at the University of California, San Diego in 2009 and is board certified in Family Practice. His work has been published in the "Expert Opinion" journal and he has been a reviewer for the prestigious "The Lancet". Dr. Rogés is passionate about the t...Click to read more
Next available: Wed, Jul 15

Sheyanne Espiritu, APRN, NP

Family Nurse Practitioner
4.67
·76 reviews
Super friendly staff and overall experience was great 10/10! - Mar 19, 2026 by Alejandro B.Click to read more
34.5 mi · 218 W 4th St, Santa Ana, CA 92701
Accepts Aetna, BlueCross BlueShield, Cigna + 3 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: Tue, Jul 14

Louise Jones, FNP, APRN

Family Nurse Practitioner
4.75
·16 reviews
She was incredible! Great hospitality, felt super comfortable. Kind soul. by BAClick to read more
34.5 mi · 218 W 4th St, Santa Ana, CA 92701
Accepts Aetna, BlueCross BlueShield, Cigna + 3 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Louise Jones, DNP, FNP-BC, is a board-certified Family Nurse Practitioner dedicated to providing compassionate, evidence-based care for patients of all ages. She believes in building lasting relationships with her patients by listening carefully, educating them about their health, and working togeth...Click to read more
Next available: Wed, Jul 15

Dr. Wayne Fleischman, MD

Gastroenterologist
4.76
·17 reviews
Excellent customer service. Personable & professional. Very impressed. - Jun 15, 2026 by Regina M.Click to read more
42 mi · 18682 Beach Blvd., Ste. 150, Huntington Beach, CA 92648
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Also offers video visits · Accepting new patients · 20 years of experience · Highly recommended · Excellent wait time ·
Read bio
Dr Fleischman is a native of Maryland where he attended University of Maryland School of Medicine. He completed his Internal Medicine internship and residency at Emory University. During residency he developed a strong interest in Gastroenterology and Liver disease and subsequently completed his fel...Click to read more
Next available: Fri, Jul 17

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·6 reviews
34 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, Aug 20

Bryan Sauter, PA-C

Physician Assistant (Gastroenterology) (Virtual)
4.91
·47 reviews
We are extremely grateful for the care we receive at US Gastroenterology. Brian Sauter PA is most knowledgeable and very kind. My husband has seen Brian a few times over the years. - May 7, 2025 by Montgomery G.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: Tue, Jul 21

Dr. Seyedehsan Navabi, MD

Gastroenterologist
4.93
·150 reviews
Great Dr. Listened to all my symptoms. Helped me choose the right path to take. Staff is great also. - Aug 6, 2025 by MICHELLE C.Click to read more
41.5 mi · 3851 Katella Ave, Ste 205, Los Alamitos, CA 90720
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. Seyedehsan (“Ehsan”) Navabi is a former Director of both the Inflammatory Bowel disease and Gastrointestinal Motility Disorders at the Rutgers New Jersey Medical School where he served as Assistant Professor of Gastroenterology. He obtained his medical degree from Tabriz University of Medica...Click to read more
Next available: Mon, Sep 21

Ashlee Shapiro, PA

Physician Assistant
4.80
·147 reviews
Very good experience. The doctor was friendly, communicative and professional. Would go back. - Jan 5, 2025 by Derek B.Click to read more
41.5 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

Rachel Roth, PA-C

Physician Assistant
4.79
·184 reviews
Pa Rachel Roth was a very excellent doctor. Made me feel extremely comfortable. - Sep 22, 2025 by Lauren Z.Click to read more
41.5 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, Jul 16

Dr. Abdul Khan, MD

Internist
4.56
·18 reviews
I am satisfied with the care I received and I recommend Dr. Khan. by MCClick to read more
41 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: Wed, Jul 15

Dr. Sadia Moinuddin, MD, DABOM

Bariatric Physician
4.72
·87 reviews
Great doctor! Great listener, ordered labs and other things I needed. Perfect doctor! - Feb 24, 2026 by Rosalynn N.Click to read more
38.5 mi · 12052 Imperial Hwy, Ste 102, Norwalk, CA 90650
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
PLEASE CONFIRM YOUR APPOINTMENT WITHIN 24 HOURS OF YOUR BOOKING VIA TEXT OR CALL. (Your appointment might be canceled if not confirmed 24 hours before your appointment time) Dr. Sadia Moinuddin, MD, FACP, DABOM, is a board-certified internal medicine physician who takes a compassionate, patient-cen...Click to read more
Next available: Wed, Jul 29

Dr. Paola Ortiz, MD

Internist
4.58
·90 reviews
Very friendly staff and listen to everything that I said and answered my questions about what I was going through. - Jan 23, 2025 by Javier J.Click to read more
38.5 mi · 12052 Imperial Hwy, Ste 102, Norwalk, CA 90650
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Excellent wait time ·
Read bio
PLEASE CONFIRM YOUR APPOINTMENT WITHIN 24 HOURS OF YOUR BOOKING VIA TEXT OR CALL. (Your appointment might be canceled if not confirmed 24 hours before your appointment time) Please confirm your appointment within 24 hours via text or call. I earned my Doctor of Medicine from Ross University School ...Click to read more
Next available: Fri, Aug 7

Jaquolin Eskandr, FNP

Family Nurse Practitioner
4.87
·252 reviews
Good doctor, wait time is around 15 mins, a lot of paperwork to fill - Apr 26, 2023Click to read more
41.5 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, Jul 17

Terri Rembuskos, PA-C

Physician Assistant (Gastroenterology)
5.00
·30 reviews
40.5 mi · 4772 Katella Ave, #200, Los Alamitos, CA 90720
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** Terri Rembuskos is a graduate of the University of California, Irvine. She completed her Bachelor of Science in Biology and a Bachelor of Arts in Political Science in 1998. She went on to graduate from the Universit...Click to read more
Next available: Wed, Aug 26

Dawn Vollmann, PA

Physician Assistant
43.5 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, Jul 20

Dr. Gale Lawrence, MD

Family Physician
3.00
·2 reviews
I did not see the doctor I booked the appointment with. I waited for nearly 30 minutes before the doctor saw me and then the doctor was in a rush to leave. - Mar 18, 2026Click to read more
45 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: Tue, Jul 28
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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
Zocdoc saves me so much time I used to spend calling around to find a place that takes my insurance or finding openings with doctors on the list provided by my insurance!
Stephanie W.
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
Experience using Zocdoc and my provider was great! Exceeded my expectations
Ashley K
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Frequently asked questions

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

On average, patients who use Zocdoc can search for a Gastroenterologist in Fontana, 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 Fontana who accept your insurance and make an appointment online.

How can I find a Fontana Gastroenterologist who takes my insurance?

Zocdoc lets you search specifically for a Fontana 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 Fontana?

Zocdoc is a free online service that helps patients find Gastroenterologists in Fontana and book appointments instantly. You can search for Fontana 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 Fontana?

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

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

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

How can I find a top-rated Gastroenterologist in Fontana?

You can use Zocdoc to find Gastroenterologists in Fontana 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 Fontana?

Gastroenterologists in Fontana 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 Fontana 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 Fontana 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 Fontana who sees patients during the weekend?

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

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