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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.
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Availability last updated 10/01/2026
Availability last updated 10/01/2026
Family Physician (Virtual)
4.05
·20 reviews
Overall this was a pretty productive doctor's appointment, I felt very heard and while she ran through things quickly she made sure to take the time to explain everything in depth. I also felt her knowledge of my medical conditions was a lot more up-to-date than previous doctors were which I find in...Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients · Offers video visits ·
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Dr. Natalie Marino is a compassionate physician board-certified in Family Medicine. She practices both Primary Care General Medicine, as well as Dermatology. She received her Medical Degree, as well as a Masters in Public Health, from the University of Pittsburgh. She completed her residency trainin...Click to read more
Physician Assistant (Virtual)
4.78
·147 reviews
Incredibly helpful and so non judgmental with problems that you face - Oct 16, 2024Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Ms. Ashlee Shapiro is a skilled physician assistant offering in-person services at Horizon Medical Clinic in Newport Beach, CA, and also provides virtual consultations. She earned her Master’s in Physician Assistant Studies from Quinnipiac University, equipping her with comprehensive training to del...Click to read more
Internist (Virtual)
4.50
·60 reviews
Very kind and informative. Love seeing a hip, young, female doctor for primary care. - Aug 27, 2024Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients · Offers video visits ·
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Dr. Dina Albaree is an esteemed Internist specializing in General Internal Medicine and Primary Care, providing in-person services at Horizon Dermatology & Primary Care Medical Clinic in Beverly Hills, California. She also offers virtual appointments throughout California, ensuring accessibility for...Click to read more
Family Physician (Virtual)
4.69
·2311 reviews
This was a tele consult. Brief conversation but Dr Neesheet was able to diagnose well and recommended recovery procedures - Mar 3, 2021 by Suresh V.Click to read more
Sunnyvale, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 3 more
Accepting new patients · 19 years of experience · Offers video visits ·
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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: Tue, Oct 6
Physician Assistant (Virtual)
4.75
·222 reviews
Rachel is such a kind, compassionate provider. Definitely happy to have her as my new PCP by Mallery M.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Rachel Roth PA-C is a compassionate, board-certified physician assistant who provides care for both adult and pediatric patients. She specializes in primary care, urgent care, GYN and women's health, dermatology, and general medicine. Rachel earned her Master's in Physician Assistant Studies from Te...Click to read more
Next available: today
Nurse Practitioner (Gastroenterology) (Virtual)
4.94
·35 reviews
She listened to my concerns and asked great questions about my medical history. Very professional and knowledgeable, was able to provide me with a simple and effective appointment! - Jul 14, 2026 by Kayla C.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Ashley Anderson, a board-certified family nurse practitioner, brings over 20 years of experience to Oshi Health. She aims to provide compassionate care that improves symptoms and elevates patient quality of life. Before joining Oshi, Ashley spent 17 years in a private outpatient gastroenterology a...Click to read more
Next available: Mon, Oct 5
Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·31 reviews
It felt amazing to finally be listened too. She listened to all my concerns and my history and made a plan for me to follow. She didn’t dismiss me or any of my concerns like other doctors have.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Amanda Sellers is a family nurse practitioner who brings a wealth of GI-specific experience to Oshi Health. At Oshi, she works closely with patients to uncover the root cause of GI issues. Before joining the Oshi Health team, Amanda worked at a private gastroenterology practice and in telemedicine ...Click to read more
Next available: Mon, Oct 5
Nurse Practitioner (Gastroenterology) (Virtual)
4.94
·34 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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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: Tue, Oct 6
Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·39 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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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: Tue, Oct 6
Family Nurse Practitioner (Virtual)
5.00
·3 reviews
Dr. Jhocson was very thorough in her review and explanations and answered any questions I had. The appointment never felt rushed. by Lori H.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time
Next available: Mon, Oct 5
Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·33 reviews
Jan was very kind, understanding, and listened to my concerns. It was great to actually felt heard by a doctor instead of just dismissed. - Apr 7, 2026 by Avery B.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Expertise in acute stomach inflammation/infection + 1 more ·
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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: Tue, Oct 6
Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·32 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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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, Oct 6
Nurse Practitioner (Gastroenterology) (Virtual)
4.88
·33 reviews
Very quick and to the point. She was very knowledgeable and I left feeling much better.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Expertise in acute stomach inflammation/infection + 1 more ·
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Chimdi Mfebe sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Chimdi Mfebe is a nurse practitioner ...Click to read more
Next available: Tue, Oct 6
Family Nurse Practitioner (Virtual)
4.89
·93 reviews
Dr is a great listener a great provider she understands and treats with empathy and understanding 10 out of 10 recommend ? - Dec 14, 2025 by Kearah C.Click to read more
Markleeville, CA
Accepts Aetna, Medicare, UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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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: tomorrow
Physician Assistant (Gastroenterology) (Virtual)
4.93
·30 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Bhavana Akotia is a seasoned physician assistant with over two decades of experience in gastroenterology. Since working with Oshi Health as an independent contractor, she’s seen how effective a collaborative team approach can be in treating gastrointestinal (GI) conditions. Previously, Bhavana prac...Click to read more
Next available: Tue, Oct 20
Psychiatrist (Virtual)
4.93
·14 reviews
Just finished my telehealth appointment with Psychiatrist. She is second gen African (mom from Zimbabwe, dad from Ghana). Went to Yale and interned at UC Davis. Lives in Sacramento. And she did order labs. Highly recommended. - May 22, 2026Click to read more
Markleeville, CA
Accepts BlueCross BlueShield, Cigna, Medicare + 1 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Hello! I’m Dr. Zola Chihombori Quao. I view well-being as something far deeper than simply not being sick—it’s the ability to flourish emotionally, mentally, and physically. I completed my medical degree at the Yale School of Medicine and my psychiatry and family medicine residencies concurrently at...Click to read more
Next available: Wed, Oct 14
Internist (Virtual)
4.83
·228 reviews
A very dedicated doctor who addresses the problem directly and doesn't waste time with unnecessary talk. Highly recommend! - Aug 1, 2026Click to read more
Mountain View, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in chronic high blood pressure + 6 more ·
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Dr. John (Yu-Xuan) Dang is a native of the Bay Area, having lived in the South Bay for the last 30 years. He has been practicing medicine in the Sunnyvale/Mountain View area since 2018. Dr. Dang earned his Bachelor's degree from the University of California, Berkeley, and received his Doctor of Medi...Click to read more
Next available: Thu, Nov 12
Family Physician (Virtual)
4.73
·66 reviews
Really took the time to listen and review my medical concerns! - Jul 14, 2026 by Aaron R.Click to read more
San Francisco, CA
Accepts Aetna, Medicare, UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in pneumonia and respiratory infections + 3 more ·
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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
Gastroenterologist
3.33
·3 reviews
I went in for bloody diarrhea and the lovely PA who spoke with me recommended a colonoscopy, stool sample and blood test which I thought was a great idea. The doctor came in and said no to all of that even though I have a family history of colon cancer where members of my family died young. This is ...Click to read more
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 ·
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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
Gastroenterologist
5.00
·2 reviews
Everything was great and informing. - Sep 14, 2026 by Gabriel N.Click 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 ·
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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
Gastroenterologist
4.60
·5 reviews
The doctor was friendly and listened to my concerns. He took his time answering my questions. He didn't make me feel like I HAD to do a certain treatment and that I had a say in my healthcare. When I explained my previous not-so-pleasant experience with bowel prep, he offered 3 recommendations and I...Click to read more
10.5 mi · 12442 Limonite Ave, Ste 209, Eastvale, CA 91752
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Excellent wait time ·
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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
Gastroenterologist
5.00
·1 review
13 mi · 4244 Rvwk Pkwy, Ste 290, Riverside, CA 92505
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Expertise in upper gi endoscopy + 4 more ·
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Dr. Adnan Ameer is an experienced gastroenterologist providing in-person services at United Medical Doctors. He sees patients in Riverside and Moreno Valley, CA. As part of his formal education and training, Dr. Ameer completed a medical degree at the Ross University School of Medicine in Dominica,...Click to read more
Family Physician
4.27
·11 reviews
Parking is behind the complex, so plan on parking and walking a little bit around. The 1st appointment requires a ton of paperwork to be completed - 2 packets worth! It took me 35 minutes just to get through it all. Therefore, you must plan to be there like at least 45 minutes early. The staff is ni...Click to read more
8 mi · 4013 Brockton Ave, Riverside, CA 92501
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Accepting new patients · 25+ years of experience · Expertise in chronic high blood pressure + 3 more ·
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Dr. Maria S. Garcia is a highly experienced and board-certified family physician with 25 years of medical practice. Originally from Mexico City, she earned her medical degree there before completing her Family Medicine residency in Texas. Throughout her career, Dr. Garcia has been deeply committed t...Click to read more
Family Physician (Virtual)
Riverside, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Accepting new patients · Offers video visits · Expertise in sepsis + 1 more
Family Physician
8 mi · 4013 Brockton Ave, Riverside, CA 92501
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Also offers video visitsAccepting new patientsExpertise in sepsis + 1 more
Gastroenterologist
5.00
·1 review
15 mi · 12980 Frederick St, Ste J, Moreno Valley, CA 92553
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Expertise in upper gi endoscopy + 4 more ·
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Dr. Adnan Ameer is an experienced gastroenterologist providing in-person services at United Medical Doctors. He sees patients in Riverside and Moreno Valley, CA. As part of his formal education and training, Dr. Ameer completed a medical degree at the Ross University School of Medicine in Dominica,...Click to read more
Family Nurse Practitioner
4.32
·34 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 ·
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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
Gastroenterologist
5.00
·4 reviews
I had a great experience with Dr. Zakaria and her team. The receptionist was nice and the physician assistant (PA) who took my history was great. Dr. Zakaria was prepared when she entered the room. She had looked at my labs that had been ordered by my primary care nurse practitioner, and discussed m...Click to read more
17.5 mi · 13768 Roswell Ave, Ste 219, Chino, CA 91710
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Excellent wait time ·
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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
Gastroenterologist
3.33
·3 reviews
I went in for bloody diarrhea and the lovely PA who spoke with me recommended a colonoscopy, stool sample and blood test which I thought was a great idea. The doctor came in and said no to all of that even though I have a family history of colon cancer where members of my family died young. This is ...Click to read more
17.5 mi · 13768 Roswell Ave, Ste 219, Chino, CA 91710
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
Family Nurse Practitioner
11.5 mi · 11306 Mountain View Ave, Ste C, Loma Linda, CA 92354
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Also offers video visits · Accepting new patients ·
Read bio
Jeff Swanson is a compassionate Family Nurse Practitioner dedicated to providing high-quality, patient-centered care. He offers a broad range of services, from preventive care to managing chronic conditions, always focused on improving patients’ health and well-being. Jeff earned his Master’s in Nur...Click to read more
Family Nurse Practitioner (Virtual)
Loma Linda, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Accepting new patients · Offers video visits ·
Read bio
Jeff Swanson is a compassionate Family Nurse Practitioner dedicated to providing high-quality, patient-centered care. He offers a broad range of services, from preventive care to managing chronic conditions, always focused on improving patients’ health and well-being. Jeff earned his Master’s in Nur...Click to read more
Gastroenterologist
5.00
·2 reviews
Everything was great and informing. - Sep 14, 2026 by Gabriel N.Click to read more
18 mi · 250 W Bonita Ave, Ste 250, Pomona, CA 91767
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended ·
Read bio
Dr. Dam is a gastroenterologist from Los Angeles, California, who completed his medical education at Touro University California. He went on to serve as Chief Resident during his Internal Medicine residency and completed his Gastroenterology fellowship at Larkin Community Hospital in Miami. Dr. Dam...Click to read more
Internist
4.90
·41 reviews
Dr Tran gave me a clear & brief explanation of my condition. I was seen on time and he is a very good PCP for me. by DVClick to read more
12 mi · 360 E 7th St, Ste B, Upland, CA 91786
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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Dr. Alexander Tran is an Internal Medicine physician at Pyo Clinic, seeing adult patients at our Fullerton and Upland, CA locations, as well as through virtual consultations. He provides comprehensive primary care, from preventive visits and routine health screenings to the diagnosis and management ...Click to read more
Family Nurse Practitioner
12.5 mi · 1815 w redlands blvd, Redlands, CA 92373
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Also offers video visits · Accepting new patients ·
Read bio
Jeff Swanson is a compassionate Family Nurse Practitioner dedicated to providing high-quality, patient-centered care. He offers a broad range of services, from preventive care to managing chronic conditions, always focused on improving patients’ health and well-being. Jeff earned his Master’s in Nur...Click to read more
Family Nurse Practitioner (Virtual)
Redlands, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Accepting new patients · Offers video visits ·
Read bio
Jeff Swanson is a compassionate Family Nurse Practitioner dedicated to providing high-quality, patient-centered care. He offers a broad range of services, from preventive care to managing chronic conditions, always focused on improving patients’ health and well-being. Jeff earned his Master’s in Nur...Click to read more
Family Physician
4.49
·70 reviews
Dr. Sadula was lovely, and I’m so excited to start my care with her! She’s knowledgeable, thorough, and ordered an extensive panel of labs that made me feel confident we’re taking a comprehensive approach to my health. The only downside was that I booked the appointment through Zocdoc for an annual ...Click to read more
15 mi · 5475 Walnut Ave, Chino, CA 91710
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Also offers video visits · Accepting new patients ·
Read bio
I’m Dr. Sushma Sadula, a board-certified family medicine physician with a special focus on women’s health. My medical journey began in medical school in India and continued through a family medicine residency in Chino, California. Over the past five years, I’ve dedicated myself to helping women achi...Click to read more
Family Physician (Virtual)
4.49
·70 reviews
Dr. Sadula was lovely, and I’m so excited to start my care with her! She’s knowledgeable, thorough, and ordered an extensive panel of labs that made me feel confident we’re taking a comprehensive approach to my health. The only downside was that I booked the appointment through Zocdoc for an annual ...Click to read more
Chino, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Accepting new patients · Offers video visits ·
Read bio
I’m Dr. Sushma Sadula, a board-certified family medicine physician with a special focus on women’s health. My medical journey began in medical school in India and continued through a family medicine residency in Chino, California. Over the past five years, I’ve dedicated myself to helping women achi...Click to read more
Family Physician
15 mi · 5475 Walnut Ave, Chino, CA 91710
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Also offers video visitsAccepting new patientsExpertise in sepsis + 1 more
Family Physician (Virtual)
Chino, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Accepting new patients · Offers video visits · Expertise in sepsis + 1 more
Gastroenterologist
4.92
·48 reviews
Dr Shafii showed genuine concern for my condition and he and his team provided excellent care - Jul 31, 2025 by Peter S.Click to read more
32 mi · 29826 Haun Rd, Ste 308, Menifee, CA 92586
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in colonoscopy + 2 more ·
Read bio
Dr. Abbass Shafii has been practicing gastroenterology since 1995. During this time, he has taken care of over 100,000 patients and has done more than 50,000 successful endoscopies. Dr. Shafii is passionate about medicine and patient care. He treats each patient as family. He completed his fellowshi...Click to read more
Family Physician
4.64
·120 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
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 ·
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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
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
Gastroenterologist
4.86
·42 reviews
Great service - Jul 13, 2026 by Alejandro H.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 · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 6 more ·
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Dr. Alaa Abousaif has been in private practice for the past fifteen years. He has completed extensive advanced training in treating a multitude of digestive disorders and possesses the expertise in utilizing the latest technology to accurately diagnose and treat a full range of digestive problems. ...Click to read more
Gastroenterologist
5.00
·32 reviews
This was my third time visiting this practice. I trust Dr. Singh completely with my medical needs - Sep 9, 2026 by Gregory S.Click to read more
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 ·
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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
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 ·
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**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
Primary Care Doctor
26.5 mi · 500 W Badillo St, Covina, CA 91722
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · 25+ years of experience ·
Gastroenterologist
4.72
·78 reviews
Yes I will go back. Dr.Q. Was very nice & comfortable to talk to . - Jun 18, 2025 by Anna D.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 · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) + 4 more ·
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*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
Gastroenterologist
4.88
·198 reviews
Professional, nice, caring, great communicator with a clear plan and next steps. - Apr 15, 2026 by Ryan M.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 ·
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*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
Gastroenterologist (Virtual)
4.98
·122 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
Murrieta, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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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
Gastroenterologist
4.88
·198 reviews
Professional, nice, caring, great communicator with a clear plan and next steps. - Apr 15, 2026 by Ryan M.Click to read more
36.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 3 more ·
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*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
Family Physician
4.83
·36 reviews
The specialties listed are not accurate. It was a waste of time, and she told me to find someone more local. - Dec 9, 2025Click to read more
30 mi · 955 W Imperial Hwy, Ste 110, Brea, CA 92821
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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Dr. Ali is board certified in Family Medicine and completed her residency training at Emanate Health in West Covina, California. She values establishing long-lasting relationships with her patients and creating a positive environment to help patients improve and manage their health. Dr. Ali treats a...Click to read more
Family Physician (Virtual)
4.83
·36 reviews
The specialties listed are not accurate. It was a waste of time, and she told me to find someone more local. - Dec 9, 2025Click to read more
Brea, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Dr. Ali is board certified in Family Medicine and completed her residency training at Emanate Health in West Covina, California. She values establishing long-lasting relationships with her patients and creating a positive environment to help patients improve and manage their health. Dr. Ali treats a...Click to read more
Gastroenterologist (Virtual)
4.72
·78 reviews
Yes I will go back. Dr.Q. Was very nice & comfortable to talk to . - Jun 18, 2025 by Anna D.Click to read more
Santa Ana, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in irritable bowel syndrome (ibs) + 4 more ·
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*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
Gastroenterologist (Virtual)
4.88
·198 reviews
Professional, nice, caring, great communicator with a clear plan and next steps. - Apr 15, 2026 by Ryan M.Click to read more
Santa Ana, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 3 more ·
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*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
Gastroenterologist
4.72
·78 reviews
Yes I will go back. Dr.Q. Was very nice & comfortable to talk to . - Jun 18, 2025 by Anna D.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
Calendar Check
1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
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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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