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315 verified Gastroenterologists in Riverside, 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 07/11/2026
Availability last updated 07/11/2026

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
1.5 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: Fri, Jul 17

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
9 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

Dr. Bhavesh Patel, MD

Gastroenterologist
5.00
·9 reviews
I had a very positive experience. The staff was friendly and welcoming, and the office was clean and well maintained. Doctor Patel was friendly, a great listener, and an excellent communicator. They took the time to address my concerns and explained everything clearly. I felt comfortable and well ca...Click to read more
12.5 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, Jul 14

Dr. Hussein Abidali, DO

Gastroenterologist
12.5 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
12.5 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
12.5 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

Sagarika Basu, PA

Physician Assistant (Gastroenterology)
12.5 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

Dr. Marco Paez, MD

Gastroenterologist
4.94
·77 reviews
My experience at Dr. Paez's office was excellent: I arrived early and was seen early. He has an engaging manner while still being focused on the details of and motivation for the plan of care. I was able to schedule another appointment within a week: super-grateful for the efficiency of the staff as...Click to read more
26 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
Dr. Steinhauser was very knowledgeable, kind, and listened intently. - Apr 30, 2025 by Jairus M.Click to read more
26 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. James Lee, MD

Gastroenterologist
4.97
·30 reviews
29.5 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, Jul 15

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
29.5 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
29.5 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. Henry Cheng, MD

Family Physician
4.64
·119 reviews
Punctual, friendly and helpful! Presented with a variety of options going forward and out in less than 1 hour. Excellent! - Nov 2, 2018 by Cameron J.Click to read more
23 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

Jalpa Chaudhari, APRN, RN

Nurse Practitioner (Gastroenterology)
22.5 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. Haig Najarian, MD

Gastroenterologist
5.00
·31 reviews
29.5 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
29.5 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. 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
32.5 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 · 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

Bryan Sauter, PA-C

Physician Assistant (Gastroenterology) (Virtual)
4.91
·47 reviews
The confirmation from Zocdoc stated I was supposed to go to my appointment at the wrong office and the wrong time. So needless to say I was late. - Mar 3, 2026 by Jill P.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. Javed Sadiq, MD

Gastroenterologist
4.88
·196 reviews
Amazing Dr. I am super happy with his care and will return to see him for future services. Highly recommend! - Dec 15, 2025 by Shaleah R.Click to read more
32 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. Shahab Zahed, MD

Internist
29.5 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. Bardia Sadr, MD

Internist
29.5 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

Stephen Leon, FNP

Family Nurse Practitioner
5.00
·22 reviews
Dr. Stephen was so nice and easy to talk to. Will be booking with him again. by MEClick to read more
30.5 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: Mon, Jul 13

Daniel Chiu, NP

Nurse Practitioner (Gastroenterology)
5.00
·30 reviews
29.5 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

Sheyanne Espiritu, APRN, NP

Family Nurse Practitioner
4.67
·76 reviews
She was very sweet and listened to all my concerns! Super validating! - Nov 28, 2025 by Kennedy S.Click to read more
30.5 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
Honestly one of the best healthcare clinics I’ve been to. Everyone was super friendly, the clinic was clean, and I felt comfortable the whole time. The provider actually listened to my concerns and took the time to explain everything. Quick, professional, and genuinely caring. Definitely recommend i...Click to read more
30.5 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. 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 mi · 1321 N Hbr Blvd, Ste 205, Fullerton, CA 92835
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Also offers video visits · Accepting new patients ·
Read bio
Dr. Natalie Marino is a compassionate physician board-certified in Family Medicine. She practices both Primary Care General Medicine, as well as Dermatology. She received her Medical Degree, as well as a Masters in Public Health, from the University of Pittsburgh. She completed her residency trainin...Click to read more

Dr. 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
31.5 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

Ashlee Shapiro, PA

Physician Assistant
4.80
·147 reviews
Ashley is super kind and easy to open up to. I felt heard and not rushed. I would highly recommend her - Nov 20, 2024 by Ben B.Click to read more
36 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
The Dr was great, and everyone in the office was super sweet and helpful. - Sep 16, 2025 by Kristen B.Click to read more
36 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. Sunny Lo, DO

Gastroenterologist
5.00
·14 reviews
There were too many patients in a limited waiting room space. Some of elderlies wear masks and coughed often. Examination room was quite nice and roomy. by RHClick to read more
39.5 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. Wayne Fleischman, MD

Gastroenterologist
4.76
·17 reviews
He was great and took the time to answer my followup questions following my endoscopy and colonoscopy.Click to read more
38.5 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
32 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Thu, Aug 6

Dr. Seyedehsan Navabi, MD

Gastroenterologist
4.93
·150 reviews
The doctor was very informative, yet listened to my concerns which made me feel comfortable. - Jun 3, 2025 by Brenda B.Click to read more
42 mi · 3840 Woodruff Ave, Ste.206, Long Beach, CA 90808
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: Tue, Jul 14

Dr. Abdul Khan, MD

Internist
4.56
·18 reviews
The visit went very well, the doctor was kind and listened carefully. by BQClick to read more
36 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

Jaquolin Eskandr, FNP

Family Nurse Practitioner
4.87
·252 reviews
Glad to find someone who was thorough and took their time. Asked lots of questions and was very helpful - Mar 3, 2023 by Amber A.Click to read more
36 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

Dr. Oscar Gantes, MD

Family Physician
4.97
·35 reviews
Solid! Great doc - Aug 21, 2025 by Sonny S.Click to read more
38 mi · 395 W Avenida Vista Hermosa, Unit K, San Clemente, CA 92672
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 3 more ·
Read bio
Dr. Oscar Gantes is a family physician at Mission Heritage - Internal Medicine in San Clemente, CA. He accepts patients of all ages and genders with common illnesses, chronic diseases, minor injuries, and mental health issues. Dr. Gantes understands patients' conditions and prepares individualized ...Click to read more
Next available: Thu, Jul 23

Dr. Sadia Moinuddin, MD, DABOM

Bariatric Physician
4.72
·87 reviews
Doctor was helpful and provided useful information regarding questions. by CMClick to read more
39 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
Dr. Ortiz was friendly, patient, and listened to all my concerns. I would recommend her! - Aug 20, 2025 by Alyssa G.Click to read more
39 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

Dawn Vollmann, PA

Physician Assistant
40.5 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

Terri Rembuskos, PA-C

Physician Assistant (Gastroenterology)
5.00
·30 reviews
39 mi · 4772 Katella Ave, #200, Los Alamitos, CA 90720
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended ·
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**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
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1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

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Frequently asked questions

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

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

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

Zocdoc lets you search specifically for a Riverside 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 Riverside?

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

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

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

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

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

You can use Zocdoc to find Gastroenterologists in Riverside 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 Riverside?

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

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

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