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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.
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Availability last updated 04/10/2026
Availability last updated 04/10/2026

Dr. Mark Nyitray, DO

Gastroenterologist
5.00
·12 reviews
Very good. The place is nice and clean staff are very good. by YHClick to read more
7.5 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic inflammatory bowel disease (ibd) + 7 more ·
Read bio
Dr. Mark Nyitray is a highly experienced, board-certified gastroenterologist at Digestive Disease Care, specializing in the diagnosis and treatment of gastrointestinal and hepatobiliary disorders. With over 29 years of expertise, he provides compassionate care to help patients manage complex digesti...Click to read more
Next available: today

Dr. Alan Schuller, MD

Gastroenterologist
4.86
·102 reviews
THis was amazing - Dec 6, 2023 by Michael M.Click to read more
7.5 mi · 200 W Carver St, Ste 1, Huntington, NY 11743
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in atrial fibrillation and atrial flutter + 5 more ·
Read bio
Alan M. Schuller, MD earned a B.S. with distinction from Cornell University and his Doctor of Medicine degree from the State University of New York, Upstate Medical University. He trained in Internal Medicine at Saint Luke's-Roosevelt Hospital Center in New York City and completed a Gastroenterology...Click to read more
Next available: Mon, Apr 13

Dr. Alan Sandberg, MD

Gastroenterologist
4.91
·573 reviews
First busy and really like it , professionals services. - Aug 22, 2018 by Fidel R.Click to read more
7.5 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in acute hemorrhoids + 8 more ·
Read bio
** Please note - We are only able to see patients over the age of 18.** Alan Sandberg is an interested and qualified gastroenterologist serving the communities of Forest Hills and New Hyde Park, NY. He attended the State University of New York, Stony Brook, where he received his medical degree. H...Click to read more
Next available: Tue, Apr 14

Dr. Ilya Badalov, MD

Gastroenterologist
4.64
·132 reviews
Office is super clean and new. Doctor was very professional and is very knowledgeable. Will stay with this doctor forever. - Apr 8, 2022 by Loyda G.Click to read more
7.5 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in colonoscopy + 1 more
Next available: Wed, Apr 15

Dr. Preeti Mehta, MD

Gastroenterologist
4.84
·1695 reviews
V warm and caring. She explained everything she wanted to do and why. Looking forward to seeing her knowing we have a planClick to read more
7.5 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
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: Thu, Apr 16

Dr. Soren Gandhi, MD

Gastroenterologist
4.76
·67 reviews
Dr. Ghandi was very professional and thorough. I’m very glad I made this appointment. Thank you - Oct 13, 2025 by Lauren B.Click to read more
11.5 mi · 575 Underhill Blvd, Suite 200, Syosset, NY 11791
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in acid reflux + 4 more ·
Read bio
Dr. Soren Gandhi is excited to be practicing on Long Island in his hometown of Syosset. He enjoys serving his community and helping guide people to live their healthiest lives. His areas of clinical expertise include colon cancer screening, acid reflux, constipation, and hemorrhoid management. He is...Click to read more
Next available: today

Dr. Andrea Sacknoff, MD

Gastroenterologist
4.45
·65 reviews
Everything went as expected! - Nov 6, 2024 by Natale D.Click to read more
7.5 mi · 200 W Carver St, Ste 1, Huntington, NY 11743
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in acid reflux + 1 more ·
Read bio
Andrea Sacknoff, MD, is Board Certified in Internal Medicine and Gastroenterology. She earned her Doctor of Medicine from New York Medical College. Dr. Sacknoff completed her internship and fellowship at Lenox Hill Hospital, where her fellowship included the world-renowned Inflammatory Bowel Disease...Click to read more
Next available: Wed, Jul 1

Dr. Syeda Hossain, MD

Gastroenterologist
4.86
·258 reviews
The Doctor was very friendly., and listened to what I was saying - Jul 27, 2023Click to read more
11.5 mi · 235 N Belle Mead Rd, East Setauket, NY 11733
In-network · UnitedHealthcare
Accepting new patients · 21 years of experience · Highly recommended · Expertise in acid reflux + 5 more ·
Read bio
Dr. Syeda Hossain is a diligent and reliable gastroenterologist caring for the Nesconset, NY community. Dr. Hossain obtained her medical degree from New York Medical College. She completed her residency in internal medicine at Massachusetts General Hospital. She then finished her fellowship in gastr...Click to read more
Next available: Mon, Apr 13

Dr. Andrew Blank, MD

Gastroenterologist
4.84
·708 reviews
He is kind, patient and willing to work with you to figure out whatever GI mystery you have. I am so glad I found him. - Oct 2, 2014 by Andrea B.Click to read more
11.5 mi · 235 N Belle Mead Rd, East Setauket, NY 11733
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait timeExpertise in acute hemorrhoids + 5 more
Next available: Mon, Apr 13

Dr. Mejdi Ahmad, MD

Gastroenterologist
4.81
·37 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
11.5 mi · 235 N Belle Mead Rd, East Setauket, NY 11733
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: Mon, Apr 13

Dr. Paul Pervil, MD

Gastroenterologist
4.98
·60 reviews
Dr. Pervil was great and had great bedside manners. I would recommend him to everyone!!! - Jul 8, 2025 by Laura P.Click to read more
11.5 mi · 575 Underhill Blvd, Suite 200, Syosset, NY 11791
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait timeExpertise in acute stomach inflammation/infection + 5 more
Next available: Thu, Apr 16

Dr. Derek Gindi, MD

Gastroenterologist
11.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Dr. Derek Gindi is a gastroenterologist dedicated to providing exceptional, patient-centered care for a full spectrum of digestive disorders. He sees patients at Northwell Health Gastroenterology-Eastern in Wading River and Setauket- East Setauket, NY. Dr. Gindi's practice philosophy emphasizes cle...Click to read more
Next available: Wed, Apr 15

Dr. Robert Hitscherich, MD

Gastroenterologist
4.96
·54 reviews
He listened! - Mar 5, 2026 by Richard J.Click to read more
9 mi · 1600 Old Country Rd,, Plainview,, NY 11803
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 5 more ·
Read bio
Robert M. Hitscherich, MD, is a Board-Certified Gastroenterologist and Internal Medicine physician. He earned his Doctor of Medicine degree from Tufts University. He completed his internship at Cornell University and a three-year medical residency at New York Presbyterian Hospital. Dr. Hitscherich s...Click to read more
Next available: Wed, May 20

Dr. H Cohn, MD

Gastroenterologist
4.94
·33 reviews
The experience at the office was great. I love the doctor. He took his time. Discussed everything and I left very satisfied. - Nov 17, 2025 by Juliana C.Click to read more
11.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in acid reflux + 5 more ·
Read bio
Dr. Cohn completed his residency in internal medicine at Boston University Medical Center before beginning his NIH-sponsored fellowship in gastroenterology at Case Western University School of Medicine's flagship teaching hospital, University Hospitals Cleveland Medical Center. Though Dr. Cohn enjoy...Click to read more
Next available: Tue, Apr 21

Dr. Seth Persky, MD

Gastroenterologist
4.84
·32 reviews
- Oct 15, 2025 by Devin M.Click to read more
11.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
Dr. Seth Persky is an experienced gastroenterologist who practices at Northwell Health Gastroenterology-Eastern. He offers services to people in Wading River and Setauket-East Setauket, NY, and is also affiliated with Mather Hospital. Dr. Persky is committed to providing exceptional, patient-center...Click to read more
Next available: Tue, Apr 21

Dr. William Cohn, MD

Gastroenterologist
4.97
·32 reviews
- Nov 12, 2025 by William B.Click to read more
11.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause + 5 more ·
Read bio
Dr. William Cohn is a highly regarded gastroenterologist. He practices at Northwell Health Gastroenterology - Eastern, serving patients in Wading River and Setauket-East Setauket, NY. He earned his medical degree from VCU School of Medicine, where he also completed his residency in internal medicine...Click to read more
Next available: Wed, May 6

Dr. Corina Serer, MD

Gastroenterologist
4.79
·149 reviews
it was very pleasant. the doctor was very nice friendly. - Mar 15, 2016Click to read more
14.5 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause + 6 more ·
Read bio
Corina Serer, MD, AGF, has been in practice since 2000. She earned her medical degree from Universitatea de Medicina ?i Farmacie Carol Davila Facultatea de Medicina. She completed her internship at Flushing Hospital Medical Center and her fellowship at New York Hospital Queens. Dr. Serer believes in...Click to read more
Next available: Wed, Apr 15

Dr. Adam Beckerman, MD

Gastroenterologist
4.88
·123 reviews
Used the practice before and would definitely recommend themClick to read more
14.5 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in acute gastrointestinal bleeding + 6 more ·
Read bio
Adam H. Beckerman MD is Board Certified in Gastroenterology and Internal Medicine. Dr. Beckerman received the George M. Jaffin Scholarly Activity Award and is an honored member of Top Gastroenterologists. Dr. Beckerman completed his internship and residency at North Shore University Hospital, Corne...Click to read more
Next available: Wed, Apr 15

Dr. Theodore Perlman, MD

Gastroenterologist
4.85
·100 reviews
Very easy to talk to. He’s a good listener. Very knowledgeable. Have a lot of faith in his ability. - Dec 9, 2019 by Diane U.Click to read more
14.5 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in irritable bowel syndrome (ibs) + 3 more ·
Read bio
Theodore Perlman MD is a Board Certified Gastroenterologist and Internist. He is fluent in Hebrew, English and speaks conversational Hungarian. Dr. Perlman attended Semmelweis University School of Medicine in Hungary. Dr. Perlman completed both his residency and internship at Nassau University Medi...Click to read more
Next available: Wed, Apr 15

Dr. Herbert Pasternak, DO

Gastroenterologist
4.87
·68 reviews
Excellent ! Very professional. Explains everything without rushing. I would highly recommend Dr Herbert Pasternak - May 26, 2016 by Slawomir S.Click to read more
15 mi · 187 Veterans Blvd, Massapequa, NY 11758
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in irritable bowel syndrome (ibs) + 5 more ·
Read bio
Herbert Pasternak is a caring and attentive gastroenterologist serving the community of Massapequa, NY. Dr. Pasternak attended the New York Institute of Technology, New York College of Osteopathic Medicine, where he received his medical degree, and completed his fellowship in gastroenterology at the...Click to read more
Next available: Tue, Apr 14

Dr. Christine Chen, DO

Gastroenterologist
4.81
·280 reviews
It was my first time seeing the doctor at this place. The stuff, nurses and the doctor were very welcoming and helpful. - Jan 26, 2024 by Jinjutha H.Click to read more
19.5 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in colonoscopy ·
Read bio
Dr. Christine Chen received her medical degree from Rowan University School of Osteopathic Medicine. During medical school, she was recognized for her compassionate patient care and was inducted into the Gold Humanism Honor Society. Dr. Chen then completed her internship and residency in internal me...Click to read more
Next available: today

Dr. Tricia Narine, MD

Family Physician
4.86
·74 reviews
Dr. Narine is very kind and very thorough, she listened to all of my concerns and treated me. by KUClick to read more
10.5 mi · 1070 Old Country Rd, Plainview, NY 11803
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in acute urinary tract infection + 4 more ·
Read bio
Dr. Tricia Narine is a highly trusted family physician. She offers in-person services at Heart and Health Medical in Plainview, New York. As part of her formal education and training, Dr. Narine completed a medical degree at Albany Medical College and a residency in family medicine at Jamaica Hospi...Click to read more
Next available: Mon, Apr 13

Dr. Shirley Johnson, MD

Gastroenterologist
4.83
·447 reviews
Doctor Hall was give me great information and she was a great listener. She provide great health services to me. - Mar 5, 2023 by Tanya W.Click to read more
19.5 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in upper gi endoscopy + 1 more ·
Read bio
Dr. Shirley Johnson-Hall is an experienced gastroenterologist practicing at Digestive Disease Care in New Hyde Park, NY. She primarily sees patients for abdominal pain, diarrhea, and hemorrhoids. Dr. Hall earned her Doctor of Medicine degree from the State University of New York, Downstate Medical ...Click to read more
Next available: today

Christina Zuckerman, PA-C

Physician Assistant
11 mi · 203 Union Avenue, Holbrook, NY 11741
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
Ms. Christina Zuckerman is a physician assistant based in Holbrook, NY. She practices at R&T Medical Primary Care and offers both in-office and virtual consultations. ? Ms. Zuckerman conducts thorough physical exams and develops evidence-based treatment plans. Patients trust her expertise and consis...Click to read more
Next available: Tue, Apr 14

Dr. Shailaja Antharam, MD

Internist
5.00
·1 review
- Mar 6, 2026 by Richard B.Click to read more
13.5 mi · 232 W Old Country Rd, Ste B, Hicksville, NY 11801
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Shailaja Antharam is an internist dedicated to providing comprehensive, patient-centered care. She sees patients at Nao Medical in Hicksville, NY. Dr. Antharam excels in diagnosing and managing acute and complex medical conditions. Her approach emphasizes clear communication and evidence-based ...Click to read more
Next available: today

Dr. Christopher Tomaino, MD

Gastroenterologist
4.78
·64 reviews
I had a good experience; everyone was a great listener, and the wait time was very short. - Apr 1, 2025 by Nyjira P.Click to read more
15.5 mi · 153 N Ocean Ave, Patchogue, NY 11772
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in acute stomach inflammation/infection + 5 more ·
Read bio
Christopher Tomaino, MD, a board-certified gastroenterologist at East Coast Gastroenterology and Endoscopy in Patchogue, New York, offers comprehensive care for a variety of gastrointestinal symptoms and disorders. Dr. Tomaino earned his Doctor of Medicine degree from the American University of the ...Click to read more
Next available: Wed, Jun 3

Jenna Sonnenberg, RN, NP

Nurse Practitioner (Gastroenterology)
4.97
·30 reviews
- Jan 25, 2026 by Ashley J.Click to read more
11.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Jenna Sonnenberg is a skilled adult nurse practitioner. She provides care at Northwell Health Gastroenterology - Eastern in Wading River and Setauket-East Setauket, NY. She earned her bachelor's degree from UNM Hospital and her master's degree in adult nurse practitioner from Stony Brook Univer...Click to read more
Next available: Fri, Apr 17

Dr. Asad Butt, MD

Family Physician
4.62
·563 reviews
Great doctor, will look into making him my primary due to his excellent attention and understanding. - Jun 30, 2024 by Jamal W.Click to read more
15.5 mi · 369 Middle Country Rd, Coram, NY 11727
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
Asad Butt is a Family Medicine physician at our Highland Valley Medical Care office. He earned his Doctor of Medicine from the University of Toledo and completed his Family Medicine residency at Corewell Health Lakeland Hospitals - St. Joseph Hospital. Dr. Butt also holds a bachelor's degree from Ca...Click to read more
Next available: tomorrow

Avigail Itzkowitz, APRN, NP

Nurse Practitioner (Gastroenterology)
5.00
·18 reviews
The service was great. I was seen very fast and Avigail Itzkowitz was very professional. Some things arent easy to say out loud but she made it easy to explain what i was going through. I would recommend her and her office to anyone. - Jul 23, 2025 by Matthew D.Click to read more
15 mi · 187 Veterans Blvd, Massapequa, NY 11758
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Avigail Itzkowitz is a committed nurse practitioner specializing in gastroenterology. She practices at Gastrointestinal Care of Long Island, PC, in Massapequa, NY. She earned her bachelor's degree from Adelphi University and her master's degree in nursing from Georgetown University. Ms. Itzkowi...Click to read more
Next available: Tue, Apr 14

Dr. Arlene Garcia, MD

Gastroenterologist
4.79
·385 reviews
She is patient and thorough. A careful and very caring physician. Recommend her without reservation. - Apr 19, 2018 by Sandra F.Click to read more
21.5 mi · 1575 Hillside Ave, Ste 301, New Hyde Park, NY 11040
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: Wed, Apr 15

Dr. Eleazer Yousefzadeh, MD

Gastroenterologist
4.84
·100 reviews
A doctor who is passionate about his patients in terms of their overall needs and concerns. - Dec 6, 2024 by Vahe B.Click to read more
22 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause + 5 more ·
Read bio
Dr. Yousefzadeh is a specialist in gastrointestinal and liver health. He earned his Doctor of Medicine from Albert Einstein College of Medicine of Yeshiva University and completed his residency at Montefiore Medical Center, where he was awarded Outstanding House Officer. After completing fellowship ...Click to read more
Next available: Mon, Apr 13

Dr. David Schwarzbaum, MD

Gastroenterologist
4.74
·146 reviews
The doctor was very thorough and is truly trying to help my issues. - Nov 12, 2025 by Paula C.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 · Expertise in irritable bowel syndrome (ibs) + 3 more ·
Read bio
Dr. David Schwarzbaum attended medical school at the Albert Einstein College of Medicine. He completed his residency in internal medicine at Mount Sinai Beth Israel and his fellowship in gastroenterology at New York Presbyterian Queens. Dr. Schwarzbaum is a compassionate physician who believes in e...Click to read more
Next available: today

Dr. Harold Lipsky, MD

Gastroenterologist
4.70
·100 reviews
Dr. Lipsky excellent Doctor answer all my questions felt good. by ECClick to read more
23.5 mi · 360 Merrick Rd, Ste 320, Lynbrook, NY 11563
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in gastroenteritis + 6 more ·
Read bio
DR. HAROLD LIPSKY is Board Certified in Gastroenterology and Internal Medicine. A native of Brooklyn, N.Y., he attended SUNY Downstate Medical School. He completed his Internal Medicine training at Albert Einstein College of Medicine and his Fellowship in Gastroenterology at the University of Miami....Click to read more
Next available: today

Dr. Haseeb Ahmed, MD

Gastroenterologist
4.88
·109 reviews
Dr. Ahmed was great and he pointed me in the right direction with my care as well kind and caring about my situation - Jun 20, 2024 by Andre J.Click to read more
22 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in acute stomach inflammation/infection + 4 more ·
Read bio
Haseeb Ahmed, MD's practice encompasses all aspects of general gastroenterology and hepatology, including colon cancer screening, GERD, constipation, diarrhea, gas, and abdominal pain. He earned his Doctor of Medicine degree from the State University of New York, Downstate Medical Center, and comple...Click to read more
Next available: Tue, Apr 14

Dr. Raymond Diaz, MD

Gastroenterologist
4.60
·10 reviews
It was fine no complaints. by DJClick to read more
21.5 mi · 1575 Hillside Ave, Ste 301, New Hyde Park, NY 11040
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in colonoscopy + 1 more ·
Read bio
Dr. Raymond Diaz is an experienced gastroenterologist in New Hyde Park, NY. He practices at Digestive Disease Care and is affiliated with North Shore University Hospital. Dr. Diaz earned his medical degree from the State University of New York, Downstate Medical Center. He then completed a residenc...Click to read more
Next available: Thu, Apr 16

Dr. Jacqueline Forman, MD

Gastroenterologist
4.83
·75 reviews
Dr. Foreman was very nice and I was very comfortable with her. She seems to know her stuff. I was very pleased that I found her through ZocDoc and was able to make an appointment for the next day - Aug 5, 2025Click to read more
22 mi · 310 E Shore Road, Suite 206, Great Neck, NY 11023
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in irritable bowel syndrome (ibs) + 3 more
Next available: Mon, Apr 13

Dr. Howard Rattner, MD

Gastroenterologist
4.87
·53 reviews
Dr Rattner was very good and informative. Very awhere of my situation and wanted to get help. - Sep 22, 2025 by Rory G.Click to read more
22 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommendedExpertise in irritable bowel syndrome (ibs) + 4 more
Next available: Tue, Apr 14

Dr. Alan Sloyer, MD

Gastroenterologist
4.97
·62 reviews
Everyone was friendly. Easy check in and check out. Very clear instructions. Dr was very sweet nd had great bedside manners. - Sep 30, 2025 by Barbara H.Click to read more
22 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in diverticulosis (outpouchings) of intestine + 8 more ·
Read bio
Dr. Sloyer is an award-winning photographer specializing in travel, landscape, and street photography. He has been fortunate to travel to unique destinations and experience adventures in more than 75 countries across all seven continents. His photos have appeared in notable publications such as The ...Click to read more
Next available: Mon, Apr 13

Dr. Sumera Gilani, MD

Family Physician
4.81
·62 reviews
The front desk staff, the nurses, Dr Sumera were very attentive to my all my needs and were very knowledgeable and friendly. - Jul 20, 2025Click to read more
19.5 mi · 137 Willis Ave, Ste 110, Mineola, NY 11501
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Dr. Sumera Gilani, MD, is a compassionate family medicine physician at Northeast Primary Care. She earned her Doctor of Medicine degree from St. George's University and is dedicated to providing comprehensive healthcare services to patients of all ages.Click to read more
Next available: Tue, Apr 14

Dr. David Berger, MD

Gastroenterologist
5.00
·61 reviews
He was very attentive and addressed all of my concerns. - Dec 5, 2018Click to read more
22 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in lower back pain + 6 more ·
Read bio
David Berger MD is Board Certified in Internal Medicine as well as Gastroenterology. He attended medical school at New York Medical College and went on to complete his residency and fellowship at North Shore University Hospital. Dr. Berger is the current Vice President of LIGA Long Island Gastroent...Click to read more
Next available: Thu, Apr 16
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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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        Zocdoc›Gastroenterologists›Long Island, NY›Commack, NY›UnitedHealthcare