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315 verified UnitedHealthcare Gastroenterologists in Commack, NY
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
In-network providersInsurance logo
Availability last updated 05/01/2026
Availability last updated 05/01/2026

Dr. Ian Harnik, MD

Gastroenterologist
4.87
·542 reviews
Great GI doctor with extensive knowledge and excellent bedside manner and just a delightful human being. Highly recommended ! - Jan 9, 2019 by Rony P.Click to read more
31 mi · 3327 Bainbridge Ave, Bronx, NY 10467
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 22 years of experience · Highly recommended · Expertise in acute gastrointestinal bleeding + 1 more ·
Read bio
After graduating from Tufts University, Dr. Harnik attended NYU School of Medicine, completing his medical degree in 2004. He went on to train as an intern and resident in internal medicine at the Mount Sinai Hospital in New York City. Dr. Harnik then continued with fellowship training in Gastroente...Click to read more
Next available: Fri, May 8

Dr. Kati Glockenberg, MD

Gastroenterologist
26 mi · 2 Westchester Park Dr, Ste L1, White Plains, NY 10604
In-network · UnitedHealthcare
Accepting new patients · Expertise in colonoscopy ·
Read bio
Dr. Kati Glockenberg, board-certified in gastroenterology and in internal medicine, earned her medical degree from the Albert Einstein School of Medicine, where she was elected to the Alpha Omega Alpha Medical Honor Society. She then completed a residency in internal medicine at New York-Presbyteria...Click to read more
Next available: Tue, Jun 23

Dr. Hasan Ali, DO

Gastroenterologist
26.5 mi · 44-02 Francis Lewis Blvd, Ste A, Bayside, NY 11361
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Dr. Hasan Ali is a highly skilled gastroenterologist. He sees patients at NYPMG Queens - Gastroenterology in Forest Hills, New York. Dr. Ali holds a medical degree from Rowan University School of Osteopathic Medicine. Moreover, he is certified in gastroenterology by the American Board of Internal M...Click to read more
Next available: Tue, Jun 23

Dr. David Sosnowik, MD

Gastroenterologist
4.91
·117 reviews
Friendly and accommodating staffs. Doctor was also very considerate. Highly recommend.Click to read more
30 mi · 107-40 Queens Blvd, Forest Hills, NY 11375
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in acid reflux + 1 more ·
Read bio
Dr. David Sosnowik is an experienced gastroenterologist who sees patients at Digestive Disease Care in Forest Hills, NY. He earned his Doctor of Medicine degree from The George Washington University and is board-certified in gastroenterology by the American Board of Internal Medicine. Dr. Sosnowik ...Click to read more
Next available: Mon, May 4

Dr. Nick Weber, MD

Family Physician
19 mi · 4 Mineola Ave, Roslyn Heights, NY 11577
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Dr. Nicholas Weber, MD, MPH, FAAFP, is a board-certified Family Medicine physician dedicated to providing compassionate, patient-centered care for individuals and families across all stages of life. He completed his residency training at Nassau University Medical Center, where he served as Chief Res...Click to read more

Sana Baig, APRN, RN, NP

Nurse Practitioner (Gastroenterology) (Virtual)
4.70
·20 reviews
Very nice and she spent a lot of time with me listening and trying to figure out how to help - Jan 15, 2026 by Oceania D.Click to read more
Lynbrook, NY
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Excellent wait time · Expertise in acute urinary tract infection ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Sana Baig is a dedicated and compassionate healthcare professional specializing in gastroenterology. She holds a Bachelor's degree from MCPHS University and a Maste...Click to read more
Next available: Mon, May 4

Sana Baig, APRN, RN, NP

Nurse Practitioner (Gastroenterology)
4.70
·20 reviews
Very nice and she spent a lot of time with me listening and trying to figure out how to help - Jan 15, 2026 by Oceania D.Click to read more
23.5 mi · 360 Merrick Rd, Ste 320, Lynbrook, NY 11563
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Excellent wait time · Expertise in acute urinary tract infection ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Sana Baig is a dedicated and compassionate healthcare professional specializing in gastroenterology. She holds a Bachelor's degree from MCPHS University and a Maste...Click to read more
Next available: Mon, May 4

Dr. Boris Chusid, MD

Gastroenterologist
4.44
·110 reviews
Professional and approach with empathy. - Dec 5, 2024 by Jerry R.Click to read more
30 mi · 111-29 Queens Blvd, Forest Hills, NY 11375
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in upper gi endoscopy + 5 more ·
Read bio
**ATTENTION: To provide the best possible patient experience, please contact the practice within 24 HOURS of an appointment request if you wish to ADJUST your appointment.** **Please expect a call after making your appointment.** To expedite the process, when scheduling with us, please provide you...Click to read more
Next available: Mon, May 4

Dr. Anthony Borcich, MD

Gastroenterologist
4.77
·248 reviews
Very intelligent and has a wonderful bedside manner - Dec 28, 2017 by Elissa L.Click to read more
30.5 mi · 69-40 Austin St, Forest Hills, NY 11375
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Expertise in acute gastrointestinal bleeding + 4 more ·
Read bio
Dr. Anthony Borcich is a kindhearted gastroenterologist treating patients in Greater New York City, NY. He is certified by the American Board of Internal Medicine. Dr. Borcich is a member of the American Gastroenterological Association. He speaks English, Spanish, Russian, Creole, Mandarin, and Cant...Click to read more
Next available: Tue, May 5

Dr. Arlene Garcia, MD

Gastroenterologist
4.79
·390 reviews
She is patient, explains things clearly. I was so happy to have found the right Gi dr - Oct 21, 2021 by Carol N.Click to read more
30 mi · 107-40 Queens Blvd, Forest Hills, NY 11375
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in colonoscopy + 1 more ·
Read bio
Dr. Arlene Garcia is a skilled and experienced gastroenterologist. She sees patients in person at Digestive Disease Care in Forest Hills, New York, and is certified by the American Board of Internal Medicine. Dr. Garcia acquired a bachelor's degree from Syracuse University and a medical degree from...Click to read more
Next available: Thu, May 7

Dr. Ellen Gutkin, DO

Gastroenterologist
4.87
·31 reviews
My appointment was rushed because I was the last patient. I wasn’t even given a proper exam before Dr.Gutkin suggesting an invasive procedure. Dr.Gutkin made me feel really uncomfortable at an already uncomfortable visit.Click to read more
28 mi · 163-03 Horace Harding Expy, Fresh Meadows, NY 11365
In-network · UnitedHealthcare
Accepting new patients · 21 years of experience · Highly recommended · Excellent wait time · Expertise in colonoscopy + 4 more ·
Read bio
Dr. Ellen Gutkin is a board certified Gastroenterologist practicing at NewYork-Presbyterian Medical Group Queens located in Fresh Meadows, NY. She received her medical degree from Philadelphia College of Osteopathic Medicine, completed her residency in Internal Medicine at NewYork-Presbyterian Queen...Click to read more
Next available: Thu, Jun 18

Dr. Sang Hoon Kim, MD

Gastroenterologist
4.90
·20 reviews
28 mi · 163-03 Horace Harding Expy, Fresh Meadows, NY 11365
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in endoscopy of the pancreas or bile duct (ercp) + 5 more ·
Read bio
Dr. Sang Hoon Kim is a board certified Internal Medicine physician specializing in Gastroenterology practicing at NewYork-Presbyterian Medical Group Queens located in Fresh Meadows, NY. He received his medical degree from Albany Medical College, completed his residency in Internal Medicine and his f...Click to read more
Next available: Wed, Jul 22

Kimberly Riegel, NP

Nurse Practitioner (Gastroenterology)
4.96
·141 reviews
My visit was amazing. Kim answered all my questions. I felt very comfortable with her. by RRClick to read more
25.5 mi · 287 Wading River Rd, Unit 2, Manorville, NY 11949
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
**KIMBERLY RIEGEL TREATS PATIENTS 16 YEARS OLD AND UP.** Kimberly Riegel is a Board Certified Nurse Practitioner Gastroenterology Specialist in Manorville, New York. She graduated with honors from the State University of New York at Stony Brook, School of Medicine in 2005, and earned her Master’s...Click to read more
Next available: Mon, May 4

Dr. David Kauvar, MD

Gastroenterologist
4.91
·87 reviews
Great experience and great doctor! - Oct 13, 2021 by Elijah H.Click to read more
29 mi · 540 Gramatan Ave, Mt Vernon, NY 10552
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in colonoscopy + 5 more ·
Read bio
Dr. David Kauvar, Assistant Professor of Medicine at Columbia University Medical Center, is Board Certified in Internal Medicine and Gastroenterology. He earned his Doctor of Medicine from the University of Colorado. Dr. Kauvar completed his Internship and Residency in Internal Medicine at the Unive...Click to read more
Next available: Wed, Jun 10

Dr. Michael Antony, MD

Gastroenterologist
5.00
·3 reviews
I have been a patient at this facility for over 20 years, which speaks to my high level of satisfaction with the doctors and staff. I would rate this office 10 stars and beyond. - Apr 9, 2026 by Amanda P.Click to read more
29.5 mi · 1842 Williamsbridge Rd, Bronx, NY 10461
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in acid reflux + 5 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Michael Antony, MD is a board-certified gastroenterologist specializing in the diagnosis and treatment of a wide range of gastrointestinal conditions, including...Click to read more
Next available: Wed, Jun 3

Dr. Joshua Hartman, MD

Gastroenterologist
4.93
·174 reviews
Dr. Hartman was very knowledgeable and answered all my questions. Highly recommend! - Apr 23, 2021 by Anthony G.Click to read more
29 mi · 540 Gramatan Ave, Mt Vernon, NY 10552
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in gastroenteritis + 4 more ·
Read bio
Joshua L. Hartman, MD, is a gastroenterologist at NewYork-Presbyterian Medical Group Westchester and an assistant professor of medicine at Columbia University Medical Center. He performs surgeries at NewYork-Presbyterian Lawrence Hospital. Dr. Hartman sees patients for general gastroenterology condi...Click to read more
Next available: Fri, Jun 12

Dr. Rohit Gupta, DO

Gastroenterologist
4.85
·34 reviews
The best doctor ! Highly recommended clear on all the explanation of the situation. - Sep 30, 2024 by Fernando E.Click to read more
29 mi · 540 Gramatan Ave, Mount Vernon, NY 10552
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Rohit Gupta is an Assistant Professor in the Division of Digestive and Liver Diseases at Columbia University Medical Center. He earned his Doctor of Osteopathic Medicine degree from Touro College of Osteopathic Medicine (TOUROCOM), Harlem, NY Campus, in 2015. He completed his residency at NYC He...Click to read more
Next available: Thu, Jun 18

Dr. Jonathan Erber, MD

Gastroenterologist
4.79
·884 reviews
Dr. Erber listened to my concerns, asked all the proper questions and gave me a clear and concise plan. Highly recommend!! by Michael F.Click to read more
35.5 mi · 115 Nassau Ave, Brooklyn, NY 11222
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 24 years of experience · Highly recommended · Excellent wait time · Expertise in colonoscopy + 7 more ·
Read bio
Dr. Jonathan Erber graduated from Tel Aviv University, Sackler Faculty of Medicine in 2002, completed his Internship and Residency in Internal Medicine at Albert Einstein College of Medicine, Montefiore Medical Center in 2005 and Fellowship in Gastroenterology at SUNY Downstate Medical Center in 200...Click to read more
Next available: Tue, May 5

Dr. Yi Jia, MD, PhD

Gastroenterologist
4.72
·2637 reviews
Very nice bedside manner …he was very knowledgeable his staff was pleasant I enjoyed my visit . - Apr 11, 2023 by Regina S.Click to read more
37 mi · 70 W 36th Street, Unit 12B, New York, NY 10018
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
Read bio
Growing up in a family of physicians, Dr. Yi Jia learned the foundations of medicine and the importance of compassionate patient care from a very early age. Dr. Jia graduated with honors from Peking University Health Science Center with a Bachelor of Medicine and completed a demanding Ph.D. program ...Click to read more
Next available: today

Dr. Isadore P Gutwein, MD

Gastroenterologist
4.35
·37 reviews
Dr. Gutwein was very professional and knowledgeable. His clear communication and attention to what I was saying helped put me at ease. He was also quick to respond to a message I sent on the patient portal, which I greatly appreciate. Thank you Dr. Gutwein! - Jan 24, 2026 by Maslamah B.Click to read more
32.5 mi · 3765 Riverdale Avenue, Suite 7, Bronx, NY 10463
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in acute gastrointestinal bleeding + 2 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Please note that there will be a $25 cancellation or no-show fee charged for all new patients.Click to read more
Next available: Tue, May 5

Dr. David Stein, MD

Gastroenterologist
4.71
·41 reviews
He was very courteous and professional. I would recommed him to my family and friends. by ETClick to read more
32.5 mi · 3765 Riverdale Avenue, Suite 7, Bronx, NY 10463
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in upper gi endoscopy + 1 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Please note that there will be a $25 cancellation or no-show fee charged for all new patients after 24 hours of booking. Dr. Stein was born in Brooklyn, NY. He com...Click to read more
Next available: Tue, May 5

Dr. Jeremy Gutwein, MD

Gastroenterologist
4.83
·42 reviews
Friendly, knowledgeable, courteous & professional. Great visit. - Jul 14, 2024 by Memphis G.Click to read more
32.5 mi · 3765 Riverdale Avenue, Suite 7, Bronx, NY 10463
In-network · UnitedHealthcare
Accepting new patients · 21 years of experience · Highly recommended · Expertise in colonoscopy + 1 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Please note that there will be a $25 cancellation or no-show fee charged for all new patients. Dr. Jeremy Gutwein was born in Bronx, NY and grew up in Westchester ...Click to read more
Next available: Tue, May 5

Dr. Anthony Borcich, MD

Gastroenterologist (Virtual)
4.77
·248 reviews
Very intelligent and has a wonderful bedside manner - Dec 28, 2017 by Elissa L.Click to read more
New York, NY
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Expertise in acute gastrointestinal bleeding + 4 more ·
Read bio
Dr. Anthony Borcich is a kindhearted gastroenterologist treating patients in Greater New York City, NY. He is certified by the American Board of Internal Medicine. Dr. Borcich is a member of the American Gastroenterological Association. He speaks English, Spanish, Russian, Creole, Mandarin, and Cant...Click to read more
Next available: Mon, May 4

Dr. Ian Harnik, MD

Gastroenterologist
4.87
·542 reviews
Great GI doctor with extensive knowledge and excellent bedside manner and just a delightful human being. Highly recommended ! - Jan 9, 2019 by Rony P.Click to read more
32.5 mi · 3333 Henry Hudson Pkwy, Suite 1, Bronx, NY 10463
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 22 years of experience · Highly recommended · Expertise in acute gastrointestinal bleeding + 1 more ·
Read bio
After graduating from Tufts University, Dr. Harnik attended NYU School of Medicine, completing his medical degree in 2004. He went on to train as an intern and resident in internal medicine at the Mount Sinai Hospital in New York City. Dr. Harnik then continued with fellowship training in Gastroente...Click to read more
Next available: Tue, May 5

Dr. Preeti Mehta, MD

Gastroenterologist
4.84
·1696 reviews
Dr. Mehta truly listens to her patients concerns. She is very caring and is great at what she does! - Jun 1, 2019Click to read more
33.5 mi · 800 Old Country Rd, Riverhead, NY 11901
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in stomach and duodenal inflammation + 8 more ·
Read bio
**Please note - We are only able to see patients over the age of 18.** Dr. Mehta is board certified by the American Board of Internal Medicine in the specialties of Internal Medicine and Gastroenterology & Hepatology. She is currently the Director of the Liver Clinic and Hepatology at New York Hos...Click to read more
Next available: Mon, May 4

Dr. Nadezhda Badalova, MD

Internist
4.98
·41 reviews
She was very thorough! I would recommend her as a primary doctor. - Jul 2, 2025 by Tara P.Click to read more
24 mi · 733 Sunrise Hwy, 3rd Fl, Lynbrook, NY 11563
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in chronic diabetes + 5 more ·
Read bio
Dr. Nadezhda Badalova is an internist at Northwell Health Primary Care - Central in Lynbrook, NY. She is also a visiting affiliate at Long Island Jewish Valley Stream. She welcomes adult patients aged 18 and above with short-term and long-term illnesses. She also offers first aid for minor injuries ...Click to read more
Next available: Thu, May 28

Dr. Nilesh Mehta, MD

Gastroenterologist
4.76
·335 reviews
He was very nice and I’m glad I found him. But the wait time for him was way too long.Click to read more
33.5 mi · 800 Old Country Rd, Riverhead, NY 11901
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in acid reflux + 6 more ·
Read bio
**Please note - We are only able to see patients over the age of 18.** “I counted many physicians among my family members when I was young, so I had early exposure to the life of a physician. I was often able to join them at work in the hospital and learn from them. I was extremely fascinated wit...Click to read more
Next available: Thu, May 7

Dr. Nadeje Sylvester, MD

Internist
4.89
·35 reviews
The doctor has a calm demeanor and does a great job of listening and communicating with the patient. by Hayward A.Click to read more
24 mi · 733 Sunrise Hwy, Floor 1, Lynbrook, NY 11563
In-network · UnitedHealthcare
Accepting new patients · 19 years of experience · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 6 more ·
Read bio
Dr. Nadeje Sylvester is a reliable and accomplished internist and primary care physician. She caters to the communities of Farmingdale, NY, at Northwell Health Primary Care - Eastern. Furthermore, she is affiliated with Long Island Jewish Medical Center, North Shore University Hospital, and Plainvie...Click to read more
Next available: Wed, Jul 8

Dr. Mejdi Ahmad, MD

Gastroenterologist
4.82
·39 reviews
They were all very nice and office hours on a Saturday and colonoscopy too!!!! - May 19, 2025 by Cathy Sue E.Click to read more
33.5 mi · 750 Old Country Rd, Bldg 2, Riverhead, NY 11901
In-network · UnitedHealthcare
Accepting new patients · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
Mejdi Ahmad, MD received his undergraduate degree from Brooklyn College, and graduated magna cum laude with a Bachelor of Science degree in biology. He then obtained his medical degree from SUNY Health Science Center at Brooklyn and completed his internal medicine residency at North Shore University...Click to read more
Next available: Tue, May 12

Dr. Mark Coronel, MD

Gastroenterologist
4.80
·255 reviews
Great staff and Dr Coronel was very welcoming being a 1st time visitor to a Gastroenterologist. by Kevin L.Click to read more
33 mi · 715 Roanoke Ave, Bldg B, Riverhead, NY 11901
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 21 years of experience · Excellent wait time · Expertise in colonoscopy + 11 more ·
Read bio
**DR. CORONEL TREATS PATIENTS 16 YEARS OLD AND UP.** Dr. Coronel graduated magna cum laude from Yeshiva University with a BA degree in biology. He earned his Doctor of Medicine from Albert Einstein College of Medicine of Yeshiva University in Bronx, NY. He completed his internship and residency t...Click to read more
Next available: Thu, May 14

Dr. Leon Kavaler, MD

Gastroenterologist (Virtual)
4.89
·355 reviews
Very comfortable setting. Family is welcomed. Will refer my friends and family. See you in 5 years for my revisit. - Jul 14, 2011 by PPClick to read more
New York, NY
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 4 more ·
Read bio
Dr. Leon Kavaler is Board Certified in Gastroenterology and earned his Doctor of Medicine from the State University of New York, Upstate Medical University. He is currently affiliated with Mount Sinai Hospital in New York and is a member of the American Society of Gastrointestinal Endoscopy.Click to read more
Next available: Mon, May 4

Dr. Leon Kavaler, MD

Gastroenterologist
4.89
·355 reviews
Very comfortable setting. Family is welcomed. Will refer my friends and family. See you in 5 years for my revisit. - Jul 14, 2011 by PPClick to read more
35 mi · 68 East 86th Street, New York, NY 10028
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 4 more ·
Read bio
Dr. Leon Kavaler is Board Certified in Gastroenterology and earned his Doctor of Medicine from the State University of New York, Upstate Medical University. He is currently affiliated with Mount Sinai Hospital in New York and is a member of the American Society of Gastrointestinal Endoscopy.Click to read more
Next available: Mon, May 4

Dr. Qin Rao, MD

Gastroenterologist (Virtual)
4.84
·952 reviews
Incredibly friendly and attentive, reassured me and was very kind, definitely would go back! - Sep 23, 2021 by Christina S.Click to read more
New York, NY
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Rao is a double board certified, highly rated and personable gastroenterologist. Dr. Rao graduated from the renowned Columbia University with a degree in Biomedical Engineering and went on to receive a Master of Science from Yale University. He then went on to obtain his medical degree from SU...Click to read more
Next available: Mon, May 4

Dr. Kathryn Schmidt, MD

Gastroenterologist (Virtual)
4.92
·113 reviews
Dr. Schmidt pleasant very attentively and address my concerns. This was my first visit with her and it went very well. - Feb 8, 2026 by Annabelle G.Click to read more
New York, NY
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 1 more ·
Read bio
Dr. Kathryn Schmidt is a leading, highly rated gastroenterologist with our Manhattan Gastroenterology team. Dr.Schmidt completed her Gastroenterology training at the world renowned Mayo Clinic in Rochester, consistently ranked among the top hospitals in the United States. She prides herself on her p...Click to read more
Next available: Mon, May 4

Dr. Michael Dann, MD

Gastroenterologist (Virtual)
4.82
·692 reviews
Dr. Dann seemed very knowledgeable and thorough . He asked many questions and took his time during my appointment. - May 7, 2020 by Marlene R.Click to read more
New York, NY
In-network · UnitedHealthcare
Accepting new patients · 22 years of experience · Offers video visits · Highly recommended ·
Read bio
Dr. Michael Dann is a highly rated, double board-certified gastroenterologist who has been voted a New York Magazine Top Doctor in 2024 and for the past five consecutive years. He was also named in 2024 to the elite list of New York Super Doctors, as well as consistently recognized among the Top Doc...Click to read more
Next available: Mon, May 4

Dr. Jenny Dave, MD

Gastroenterologist (Virtual)
5.00
·25 reviews
Jenny was fabulous! Made me feel so comfortable and easy but also took the time to explain everything in detail. - Jul 15, 2025 by Kaushal S.Click to read more
New York, NY
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
If you need to cancel your appointment within 24 hours of the scheduled time, please call the office.Click to read more

Dr. Samuel Schwarz, MD

Gastroenterologist
4.58
·343 reviews
Kind, respectful, friendly staff and provider. Easy to talk to and understanding - Oct 26, 2022 by Darwin BClick to read more
35 mi · 205 E 76th St, Ste M2, New York, NY 10021
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience ·
Read bio
We are a fully accredited facility with New York State through the American Association for Accreditation of Ambulatory Surgical Facilities. We have an anesthesiologist present in our facility, as well as all required emergency equipment and medicines. Dr. Schwarz is board certified in Gastroentero...Click to read more
Next available: Mon, May 4

Dr. Michael Ammirati, MD

Gastroenterologist
4.56
·368 reviews
The doctor is very professional and kind. He really listens to you. I highly recommend him. - Jun 28, 2024Click to read more
35 mi · 205 E 76th St, Ste M2, New York, NY 10021
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience ·
Read bio
We are a fully accredited facility with New York State through the American Association for Accreditation of Ambulatory Surgical Facilities. We have an anesthesiologist present in our facility, as well as all required emergency equipment and medicines. Dr. Ammirati is board certified in Gastroenter...Click to read more
Next available: Mon, May 4

Dr. Eric Morgenstern, MD, FACG

Gastroenterologist
4.84
·379 reviews
I had very good appointment experience and would recommend this doctor to a friend. - Dec 29, 2021Click to read more
35 mi · 1317 3rd Ave, 7th Fl, New York, NY 10021
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 6 more ·
Read bio
Eric Morgenstern, M.D. was born and raised in New York City. He graduated cum laude from the University of Pennsylvania and attended New York Medical College. Dr. Morgenstern is board-certified in Internal Medicine and Gastroenterology. He completed his Medical Internship, Residency, Chief Reside...Click to read more
Next available: Mon, May 4

Dr. Peter Baiocco, MD

Gastroenterologist
4.83
·543 reviews
as always it is great for mom to see her doctor of 22 years!!!! - Aug 8, 2012 by Grace V.Click to read more
35.5 mi · 132 East 76th Street, Floor 2, Room 2G, New York, NY 10021
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in acute stomach inflammation/infection + 4 more ·
Read bio
Dr. Baiocco has over 25 years in private practice while remaining active in the education and training of gastrointestinal fellows. He earned his Doctor of Medicine from the Icahn School of Medicine at Mount Sinai. He completed his internship, residency in Internal Medicine, and fellowship in Gastro...Click to read more
Next available: Mon, May 4

Dr. Eric Yoon, MD

Gastroenterologist
4.87
·1306 reviews
Very friendly staff, caring doctor ,great listener and answers all your concerns. - Jan 13, 2023 by Alfonsius P.Click to read more
35 mi · 983 Park Ave, Ste 1D, New York, NY 10028
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Eric Yoon is a highly rated, double board-certified gastroenterologist and attending physician at Manhattan Gastroenterology. He earned his Doctor of Medicine from the State University of New York, Stony Brook. He completed his residency in Internal Medicine at Rutgers, The State University of N...Click to read more
Next available: Mon, May 4

Dr. Connie Park, MD

Gastroenterologist
4.94
·612 reviews
Dr. Park was fantastic - a great listener and so helpful. Would absolutely recommend her. - Nov 10, 2023 by Sophia S.Click to read more
35 mi · 983 Park Ave, Ste 1D, New York, NY 10028
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Connie Park is a double board-certified, highly rated, and thorough gastroenterologist and attending physician at Manhattan Gastroenterology. She is board-certified in Gastroenterology and Internal Medicine by the ABIM and is a proud member of the American Society for Gastrointestinal Endoscopy ...Click to read more
Next available: Mon, May 4

Dr. Connie Park, MD

Gastroenterologist (Virtual)
4.94
·612 reviews
Dr. Park was fantastic - a great listener and so helpful. Would absolutely recommend her. - Nov 10, 2023 by Sophia S.Click to read more
New York, NY
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Connie Park is a double board-certified, highly rated, and thorough gastroenterologist and attending physician at Manhattan Gastroenterology. She is board-certified in Gastroenterology and Internal Medicine by the ABIM and is a proud member of the American Society for Gastrointestinal Endoscopy ...Click to read more
Next available: Mon, May 4

Dr. Eric Yoon, MD

Gastroenterologist (Virtual)
4.87
·1306 reviews
Very friendly staff, caring doctor ,great listener and answers all your concerns. - Jan 13, 2023 by Alfonsius P.Click to read more
New York, NY
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Eric Yoon is a highly rated, double board-certified gastroenterologist and attending physician at Manhattan Gastroenterology. He earned his Doctor of Medicine from the State University of New York, Stony Brook. He completed his residency in Internal Medicine at Rutgers, The State University of N...Click to read more
Next available: Mon, May 4

Dr. Kevin Groudan, MD

Gastroenterologist (Virtual)
5.00
·14 reviews
This doctor answered all my questions and did not rush me. He is easy to talk to. I feel confident in his knowledge level and confident he will follow through order my prescriptions. by LMClick to read more
New York, NY
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
If you need to cancel your appointment within 24 hours of the scheduled time, please call the office. Dr. Kevin Groudan is a board-certified gastroenterologist and Assistant Professor of Medicine at the Icahn School of Medicine at Mount Sinai. He earned his medical degree from the University at Buf...Click to read more
Next available: tomorrow

Dr. Kevin Groudan, MD

Gastroenterologist
5.00
·14 reviews
This doctor answered all my questions and did not rush me. He is easy to talk to. I feel confident in his knowledge level and confident he will follow through order my prescriptions. by LMClick to read more
36.5 mi · 518 East 20th Street, New York, NY 10009
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
If you need to cancel your appointment within 24 hours of the scheduled time, please call the office. Dr. Kevin Groudan is a board-certified gastroenterologist and Assistant Professor of Medicine at the Icahn School of Medicine at Mount Sinai. He earned his medical degree from the University at Buf...Click to read more
Next available: tomorrow

Dr. Markos Koutsos, MD

Gastroenterologist (Virtual)
4.81
·1703 reviews
Quick, fast and easy. He addresses your concerns and is very friendly - Dec 27, 2018 by Keith M.Click to read more
New York, NY
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Expertise in high cholesterol + 5 more ·
Read bio
Dr. Markos I. Koutsos received his medical degree from the National and Kapodistrian University of Athens School of Medicine. He completed his Fellowship training in Gastroenterology and Liver Disease at NewYork-Presbyterian Hospital/Weill Cornell Medical Center, graduating in 1996. After fellowship...Click to read more
Next available: Tue, May 5

Dr. Michael Schopis, MD

Gastroenterologist (Virtual)
4.94
·606 reviews
Very professional and made a great effort to ensure comfort and clarity. Positive and constructive environment and care. - May 20, 2024 by Isaac A.Click to read more
New York, NY
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Michael Schopis is a double board certified, compassionate and highly rated gastroenterologist at Manhattan Gastroenterology. Dr. Schopis is board-certified in Internal Medicine and Gastroenterology by the American Board of Internal Medicine and is a proud member of the American Society for Gas...Click to read more
Next available: Tue, May 5

Dr. Ana Tuyama, MD

Gastroenterologist
4.87
·781 reviews
The doctor is very nice and understanding. I hope i get better - Feb 8, 2022 by Daniel N.Click to read more
35.5 mi · 620 Columbus Ave, New York, NY 10024
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 5 more ·
Read bio
Ana Tuyama, MD is a top-rated New York City digestive and liver disease specialist, with over ten years of experience diagnosing and treating diseases of the digestive tract, liver, gallbladder, and pancreas. She is extremely experienced and skilled in upper endoscopy and colonoscopy. Dr Tuyama re...Click to read more
Next available: Mon, May 11

Dr. Ana Tuyama, MD

Gastroenterologist (Virtual)
4.87
·781 reviews
The doctor is very nice and understanding. I hope i get better - Feb 8, 2022 by Daniel N.Click to read more
New York, NY
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 5 more ·
Read bio
Ana Tuyama, MD is a top-rated New York City digestive and liver disease specialist, with over ten years of experience diagnosing and treating diseases of the digestive tract, liver, gallbladder, and pancreas. She is extremely experienced and skilled in upper endoscopy and colonoscopy. Dr Tuyama re...Click to read more
Next available: Mon, May 4

Dr. Donelle Cummings, MD

Gastroenterologist
4.98
·128 reviews
The receptionist and nurse was very nice and respectful. Doctor listened to all my concerns and seemed knowledgeable - Oct 12, 2025 by Maria D.Click to read more
35 mi · 1056 5th Ave, # 1CD, New York, NY 10028
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in colonoscopy ·
Read bio
Dr. Donelle Cummings is a board-certified Gastroenterologist specializing in advanced endoscopic procedures and comprehensive digestive care. He provides expert evaluation and treatment for a wide range of digestive conditions, including acid reflux, inflammatory bowel diseases, colorectal cancer sc...Click to read more
Next available: Tue, May 5

Dr. Markos Koutsos, MD

Gastroenterologist
4.81
·1703 reviews
Quick, fast and easy. He addresses your concerns and is very friendly - Dec 27, 2018 by Keith M.Click to read more
35 mi · 111 E 80th St, Ste 1A, New York, NY 10075
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Expertise in high cholesterol + 5 more ·
Read bio
Dr. Markos I. Koutsos received his medical degree from the National and Kapodistrian University of Athens School of Medicine. He completed his Fellowship training in Gastroenterology and Liver Disease at NewYork-Presbyterian Hospital/Weill Cornell Medical Center, graduating in 1996. After fellowship...Click to read more
Next available: Tue, May 5

Dr. Neville Bamji, MD

Gastroenterologist
4.89
·456 reviews
Dr. Banji is an excellent provider and human being, highly recommended. - Jan 30, 2019 by David R.Click to read more
35 mi · 311 E 79th St, Ste 2A, New York, NY 10075
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 24 years of experience · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 5 more ·
Read bio
Dr. Bamji is a Clinical Instructor of Medicine at The Mount Sinai Hospital, New York. He received his undergraduate degree in 1998 from Johns Hopkins University. He received his MD in 2002 from Cornell University Medical College. He subsequently completed his internship and residency training in Int...Click to read more
Next available: Wed, May 6

Dr. Kenneth Miller, MD

Gastroenterologist (Virtual)
4.83
·474 reviews
He is an awesome doctor. Extremely caring and attentive to your needs. - Jun 8, 2016 by Elizabeth R.Click to read more
New York, NY
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in chronic inflammatory bowel disease (ibd) + 5 more ·
Read bio
Dr. Miller is an instructor of Medicine at The Mount Sinai Hospital, New York. He graduated with the highest honors from New York University School of Medicine, trained in internal medicine at Harvard University's Beth Israel Hospital and completed his gastroenterology fellowship at The Mount Sinai ...Click to read more
Next available: Wed, May 6

Dr. Danny Wong, MD

Gastroenterologist
4.98
·241 reviews
Dr Danny Wong is an excellent doctor, he listens to patients and he is knowledgeable about his work, I recommend him. - Feb 26, 2025 by Grecia C.Click to read more
35 mi · 1150 5th Ave, Ste 1B, New York, NY 10128
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
I first became interested in gastroenterology through my personal experience with ulcerative colitis and the trust I built with my doctors as a patient. Now on the other side as a gastroenterologist, I value the lifelong relationships I am able to have with patients-whether it be through tackling ch...Click to read more
Next available: Thu, May 7
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Frequently asked questions

How can I make a same-day appointment with a Gastroenterologist in Commack who takes UnitedHealthcare insurance?

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

How can I find a Gastroenterologist in Commack who takes UnitedHealthcare?

Zocdoc lets you search specifically for a Gastroenterologist in Commack who takes UnitedHealthcare. 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 UnitedHealthcare Gastroenterologist in Commack?

Zocdoc is a free online service that helps patients find UnitedHealthcare Gastroenterologists in Commack and book appointments instantly. You can search for UnitedHealthcare Gastroenterologists in Commack by symptom or visit reason. 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 Commack who takes UnitedHealthcare insurance?

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

How can I find a UnitedHealthcare Gastroenterologist in Commack who sees patients after hours?

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

How can I find a top-rated UnitedHealthcare Gastroenterologist in Commack?

You can use Zocdoc to find UnitedHealthcare Gastroenterologists in Commack 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 Commack?

Gastroenterologists in Commack 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 UnitedHealthcare?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Gastroenterologists in Commack who accept UnitedHealthcare 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 UnitedHealthcare Gastroenterologist in Commack 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 UnitedHealthcare Gastroenterologist in Commack who sees patients during the weekend?

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

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