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315 verified Gastroenterologists in Smithtown, 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 04/05/2026
Availability last updated 04/05/2026

Dr. Mark Coronel, MD

Gastroenterologist
4.80
·254 reviews
Nice Dr. and staff. On-line booking was easy and accurate. - Aug 3, 2021 by Richard M.Click to read more
20.5 mi · 287 Wading River Rd, Unit 2, Manorville, NY 11949
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
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: Mon, Apr 27

Dr. Jordan Rush, MD

Gastroenterologist
4.94
·271 reviews
He and his staff were very friendly and great! They made you feel very comfortable. - Sep 11, 2015 by Christopher M.Click to read more
21 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 55 more
Accepting new patients · 17 years of experience · Highly recommended · Excellent wait time · Expertise in acute stomach inflammation/infection + 5 more ·
Read bio
**Please include your insurance at time of booking so we can verify prior to your visit.** Dr. Jordan Rush is a gastroenterologist treating patients in Wantagh, New York, and the surrounding communities. He holds certification from the American Board of Internal Medicine in internal medicine and ...Click to read more
Next available: Thu, Apr 30

Dr. Ronald Fagan, MD

Internist
4.42
·45 reviews
I booked the appointment the night before and arrived much earlier the next morning, but I was called in almost right away! The nurses and receptionists were very nice. I was given a blood test, a blow test to see bacteria in my stomach, and urine sample taken. Dr. Fagan ordered me to come in two da...Click to read more
16.5 mi · 4900 Hempstead Tpke, Farmingdale, NY 11735
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Accepting new patients · 25+ years of experience · Expertise in chronic high blood pressure + 9 more ·
Read bio
Dr. Ronald Fagan is an internist at his private practice in Farmingdale, NY. He is also a visiting affiliate at Long Island Jewish Medical Center and Cook County North Shore Hospital. He welcomes adult patients 18 and above with common illnesses, chronic diseases, mental health issues, and minor inj...Click to read more
Next available: Wed, Apr 8

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
24 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
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: tomorrow

Dr. Eleazer Yousefzadeh, MD

Gastroenterologist
4.84
·100 reviews
Extremely professional and listened to all my concerns, very assuring doctor. Found my gastroenterologist , will recommend - Feb 10, 2025 by Lisandro S.Click to read more
27 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
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: tomorrow

Dr. Shailaja Antharam, MD

Internist
5.00
·1 review
- Mar 6, 2026 by Richard B.Click to read more
18.5 mi · 232 W Old Country Rd, Ste B, Hicksville, NY 11801
Accepts Aetna, Cigna, Emblem Health + 17 more
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: Thu, Apr 9

Dr. Shailaja Antharam, MD

Internist
5.00
·1 review
- Mar 6, 2026 by Richard B.Click to read more
18.5 mi · 232 W Old Country Rd, Unit A, Hicksville, NY 11801
Accepts Aetna, Cigna, Emblem Health + 17 more
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: Thu, Apr 9

Kimberly Riegel, NP

Nurse Practitioner (Gastroenterology)
4.96
·135 reviews
She was very thorough. Really listened to me & didnt feel rushed at all. by RPClick to read more
20.5 mi · 287 Wading River Rd, Unit 2, Manorville, NY 11949
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
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: tomorrow

Dr. Frederick Rozenshteyn, MD

Gastroenterologist
22.5 mi · 32 Strawberry Hill Court 4th Floor, Suite 6, Stamford, CT 06902
Accepting new patients ·
Read bio
Dr. Rozenshteyn grew up in northern New Jersey before moving to the Boston area for college at Brandeis University, followed by medical school at Tufts University School of Medicine. After medical school, he moved to New York City to complete his internal medicine training at Mount Sinai Beth Israel...Click to read more
Next available: Tue, Jun 2

Dr. Ilya Badalov, MD

Gastroenterologist
4.64
·132 reviews
Very good experience. I recommend these doctor to my friends - Jun 18, 2023 by Mikhael M.Click to read more
26.5 mi · 1991 Marcus Ave, Ste M200, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Expertise in colonoscopy + 1 more
Next available: Tue, Apr 7

Dr. Haseeb Ahmed, MD

Gastroenterologist
4.88
·109 reviews
It was amazing, he even sent me to the surgeon on the same day to ensure that I receive the necessary treatment in the most efficient manner. I received the best service for my medical situation. - Apr 10, 2024Click to read more
27 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
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 7

Dr. Arlene Garcia, MD

Gastroenterologist
4.79
·384 reviews
Dr. Garcia was friendly, professional and thorough. Her bedside manner was excellent and caring which was refreshing. by Erik Y.Click to read more
26.5 mi · 1575 Hillside Ave, Ste 301, New Hyde Park, NY 11040
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
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 8

Dr. Preeti Mehta, MD

Gastroenterologist
4.84
·1694 reviews
Amazing, recommended her to my sister while I was still in the office!! by Jordyn S.Click to read more
26.5 mi · 1991 Marcus Ave, Ste M200, North New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
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: Wed, Apr 8

Dr. Anthony Celifarco, MD

Gastroenterologist
5.00
·19 reviews
The doctor was very helpful - Jun 1, 2025 by Alfred W.Click to read more
27 mi · 310 E Shore Road, Suite 206, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Emblem Health + 16 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic inflammatory bowel disease (ibd) + 5 more ·
Read bio
Dr. Anthony J. Celifarco, M.D. is a triple board-certified gastroenterologist with over 35 years of experience in the field of gastroenterology. He completed his fellowship in gastroenterology at NYU. Notably, he served as the past Chief of Gastroenterology at St. Francis Hospital in Roslyn, New Yor...Click to read more
Next available: Tue, Apr 7

Dr. Chandhini Ramaiah, MD

Gastroenterologist
4.75
·44 reviews
The doctor was very friendly and made me feel at ease. - Sep 23, 2025 by Cheryl F.Click to read more
27.5 mi · 560 Northern Blvd, Great Neck, NY 11021
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Excellent wait time
Next available: Tue, Apr 7

Dr. David Berger, MD

Gastroenterologist
5.00
·61 reviews
Highly recommend. Dr. Berger listened carefully to my concerns, he addressed all concerns and he went above and beyond to ensure that all my concerns and questions were adressed. He was very thorough. by JGClick to read more
27 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
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: Fri, Apr 10

Dr. Harold Lipsky, MD

Gastroenterologist (Virtual)
4.70
·100 reviews
Took his time with me explaining in details all of my symptoms by ARClick to read more
Lynbrook, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 37 more
Accepting new patients · 25+ years of experience · Offers video visits · 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: tomorrow

Dr. David Schwarzbaum, MD

Gastroenterologist (Virtual)
4.74
·146 reviews
The staff was very kind, and the doctor was fantastic at listening and diagnosing!Click to read more
Lynbrook, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 37 more
Accepting new patients · Offers video visits · 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: tomorrow

Dr. David Schwarzbaum, MD

Gastroenterologist
4.74
·146 reviews
The staff was very kind, and the doctor was fantastic at listening and diagnosing!Click to read more
28.5 mi · 360 Merrick Rd, Ste 320, Lynbrook, NY 11563
Accepts Aetna, BlueCross BlueShield, Cigna + 37 more
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: tomorrow

Dr. Harold Lipsky, MD

Gastroenterologist
4.70
·100 reviews
Took his time with me explaining in details all of my symptoms by ARClick to read more
28.5 mi · 360 Merrick Rd, Ste 320, Lynbrook, NY 11563
Accepts Aetna, BlueCross BlueShield, Cigna + 37 more
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: tomorrow

Avigail Itzkowitz, APRN, NP

Nurse Practitioner (Gastroenterology)
5.00
·18 reviews
Everything was great. Check in was easy. Avigail was a saint. She was a great listener and she was super easy to talk to. She was asking me every question and she was super thorough to make sure she covered everything. I felt really comfortable and the entire thing was very positive - Jul 21, 2025 b...Click to read more
19 mi · 187 Veterans Blvd, Massapequa, NY 11758
Accepts Aetna, BlueCross BlueShield, Cigna + 32 more
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 21

Dr. Howard Rattner, MD

Gastroenterologist (Virtual)
4.87
·53 reviews
Dr. Rattner listened to all of my concerns & answered all of my questions. He’s very caring and kind. - Jul 23, 2025 by Regina P.Click to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommendedExpertise in irritable bowel syndrome (ibs) + 4 more
Next available: Wed, Apr 8

Dr. Howard Rattner, MD

Gastroenterologist
4.87
·53 reviews
Dr. Rattner listened to all of my concerns & answered all of my questions. He’s very caring and kind. - Jul 23, 2025 by Regina P.Click to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommendedExpertise in irritable bowel syndrome (ibs) + 4 more
Next available: Wed, Apr 8

Dr. Sandy Chan, MD

Gastroenterologist
4.94
·65 reviews
My experience was amazing Dr.chan made me feel so comfortable and calmed my nerves I definitely recommend her ?? - Jan 23, 2026 by Ingris R.Click to read more
28 mi · 450 Northern Boulevard, Great Neck, NY 11021
Accepts Cigna, Emblem Health, Medicare + 3 more
Accepting new patients · Highly recommended ·
Read bio
Originally from Queens, New York, Dr. Chan received her undergraduate degree from Cornell University in Ithaca, NY. She received her medical degree from Dartmouth Medical School in Hanover, NH. She then completed her internship and residency in Internal Medicine at UMass Memorial Medical Center in W...Click to read more
Next available: Wed, Apr 8

Dr. Preeti Mehta, MD

Gastroenterologist
4.84
·1694 reviews
Amazing, recommended her to my sister while I was still in the office!! by Jordyn S.Click to read more
28.5 mi · 800 Old Country Rd, Riverhead, NY 11901
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
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: tomorrow

Dr. Shirley Johnson, MD

Gastroenterologist
4.83
·447 reviews
Dr. Shirley Johnson was refreshing. She was nice, knowledgeable, and caring about my concerns. - Dec 27, 2024 by Cherie H.Click to read more
26.5 mi · 1991 Marcus Ave, Ste M200, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
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: Thu, Apr 16

Dr. Raymond Diaz, MD

Gastroenterologist
5.00
·9 reviews
The staff throughout the entire office were extremely friendly. The Dr. Diaz listened to all of my concerns and immediately set me up with follow-up testing and another referral. He was very understanding and knowledgable and I would highly recommend him. - Jan 26, 2025Click to read more
26.5 mi · 1575 Hillside Ave, Ste 301, New Hyde Park, NY 11040
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
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. Andrew Marshall, MD

Gastroenterologist
4.77
·112 reviews
He was very nice, I have a few follow up appts scheduled with him.Click to read more
29.5 mi · 1800 Rockaway Ave, Ste 201, Hewlett, NY 11557
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic high blood pressure + 9 more ·
Read bio
Andrew Marshall, MD has 25 years of experience in practice. He is Board Certified in Internal Medicine and Gastroenterology. He graduated from Emory University in 1988, and received his MD from The Mount Sinai School of Medicine in 1992. Dr. Marshall completed his internship residency training in In...Click to read more
Next available: tomorrow

Dr. Preeti Mehta, MD

Gastroenterologist
4.84
·1694 reviews
Amazing, recommended her to my sister while I was still in the office!! by Jordyn S.Click to read more
28.5 mi · 750 Old Country Rd, Bldg 2, Riverhead, NY 11901
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
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: Tue, Apr 7

Dr. John Lee, MD

Gastroenterologist
4.33
·21 reviews
28 mi · 450 Northern Boulevard, Great Neck, NY 11021
Accepts Cigna, Emblem Health, Medicare + 2 more
Accepting new patients · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) + 5 more ·
Read bio
I have practiced gastroenterology for over 25 years. My interest in gastrointestinal (GI) medicine began while completing an internal medicine residency at Washington University School of Medicine. During that time, I was exposed to and fascinated by endoscopy, which uses fiber optics to visualize h...Click to read more
Next available: Fri, Apr 10

Dr. Jacqueline Forman, MD

Gastroenterologist
4.83
·75 reviews
This is a thoughtful and thorough doctor who provided great insight and clear next steps. I would recommend highly. - Nov 25, 2025 by Giana R.Click to read more
27 mi · 310 E Shore Road, Suite 206, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Emblem Health + 15 more
Accepting new patients · Highly recommended · Excellent wait timeExpertise in irritable bowel syndrome (ibs) + 3 more
Next available: Mon, Apr 13

Dr. David E Milkes, MD

Gastroenterologist
4.89
·56 reviews
Very good experience, from the friendly office staff to meeting Dr. Milkes. He is a good listener and explains all the options clearly while taking into consideration the patient's concerns. Very knowledgeable and very thorough in finding out my family medical history. - Jul 11, 2024 by Gabriella T.Click to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic inflammatory bowel disease (ibd) + 8 more ·
Read bio
Dr. Milkes earned his Doctor of Medicine from the University of California San Diego. He completed his internship and residency at NewYork-Presbyterian / Columbia University Irving Medical Center, followed by a fellowship at Stanford Hospital & Clinics. He has working medical knowledge of Spanish an...Click to read more
Next available: Tue, Apr 14

Dr. Alan Sloyer, MD

Gastroenterologist (Virtual)
4.97
·62 reviews
Great doctor with a good bedside manner. They made me feel so comfortable. - Aug 20, 2025 by Suzan R.Click to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · 25+ years of experience · Offers video visits · 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: Tue, Apr 14

Dr. David E Milkes, MD

Gastroenterologist (Virtual)
4.89
·56 reviews
Very good experience, from the friendly office staff to meeting Dr. Milkes. He is a good listener and explains all the options clearly while taking into consideration the patient's concerns. Very knowledgeable and very thorough in finding out my family medical history. - Jul 11, 2024 by Gabriella T.Click to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in chronic inflammatory bowel disease (ibd) + 8 more ·
Read bio
Dr. Milkes earned his Doctor of Medicine from the University of California San Diego. He completed his internship and residency at NewYork-Presbyterian / Columbia University Irving Medical Center, followed by a fellowship at Stanford Hospital & Clinics. He has working medical knowledge of Spanish an...Click to read more
Next available: Tue, Apr 14

Dr. Alan Sloyer, MD

Gastroenterologist
4.97
·62 reviews
Great doctor with a good bedside manner. They made me feel so comfortable. - Aug 20, 2025 by Suzan R.Click to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
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: Tue, Apr 14

Dr. Robert Herman, MD

Gastroenterologist
5.00
·9 reviews
The staff and Dr Herman were friendly, efficient, knowledgeable and made me feel comfortable. I feel confident i will be well taken care of. - Sep 9, 2025 by Anthony L.Click to read more
27 mi · 310 E Shore Road, Suite 206, Great Neck, NY 11023
Accepts Aetna, Medicare, UnitedHealthcare + 5 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in diverticulosis (outpouchings) of intestine + 7 more ·
Read bio
Dr. Robert D. Herman is a gastroenterologist in Great Neck, New York and is affiliated with multiple hospitals in the area, including St. Francis Hospital and Heart Center and North Shore University Hospital at Northwell Health. He received his medical degree from New York University Grossman School...Click to read more
Next available: Tue, Apr 14

Dr. Chaim Abittan, MD

Gastroenterologist (Virtual)
4.98
·59 reviews
Looking forward to going back what a great doctorClick to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Expertise in irritable bowel syndrome (ibs) + 7 more ·
Read bio
Chaim S. Abittan, M.D. joined North Shore Gastroenterology Associates in 2001. In addition to being a gastroenterologist who is known throughout the New York area for successfully performing colonoscopies on high risk patients, Chaim is a hepatologist. He graduated from the Sackler School of Medic...Click to read more
Next available: Fri, Apr 17

Dr. Frederick Rozenshteyn, MD

Gastroenterologist
25.5 mi · 195 Danbury Rd, Wilton, CT 06897
Accepting new patients ·
Read bio
Dr. Rozenshteyn grew up in northern New Jersey before moving to the Boston area for college at Brandeis University, followed by medical school at Tufts University School of Medicine. After medical school, he moved to New York City to complete his internal medicine training at Mount Sinai Beth Israel...Click to read more
Next available: Wed, May 27

Dr. Nilesh Mehta, MD

Gastroenterologist
4.76
·335 reviews
Very good doctor, he solve the problem that I have fast. Very professional, I highly recommend. - Sep 26, 2014 by Miguel G.Click to read more
28.5 mi · 800 Old Country Rd, Riverhead, NY 11901
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
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, Apr 9

Dr. Chaim Abittan, MD

Gastroenterologist
4.98
·59 reviews
Looking forward to going back what a great doctorClick to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Expertise in irritable bowel syndrome (ibs) + 7 more ·
Read bio
Chaim S. Abittan, M.D. joined North Shore Gastroenterology Associates in 2001. In addition to being a gastroenterologist who is known throughout the New York area for successfully performing colonoscopies on high risk patients, Chaim is a hepatologist. He graduated from the Sackler School of Medic...Click to read more
Next available: Mon, Apr 20

Dr. Charnjit Singh, MD

Gastroenterologist
4.91
·213 reviews
Dr. Singh was so nice, warm, & friendly. He made me feel comfortable right away. I highly recommend him! - Aug 31, 2016 by Nicole B.Click to read more
27 mi · 176 N Village Ave, Suite 2D, Rockville Centre, NY 11570
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in acute gastrointestinal bleeding + 7 more ·
Read bio
Dr. Charnjit Singh, MD, MBA, is a highly skilled gastroenterologist with over 28 years of experience. He specializes in colon cancer screening, reflux disease, liver disease, and inflammatory bowel conditions, focusing on adult patients, 18 and older. He is known for his compassionate and patient-ce...Click to read more
Next available: Wed, Apr 22

Dr. Mordecai A Dicker, MD

Gastroenterologist
4.83
·58 reviews
Dr. Dicker is very knowledgeable and attentive. He explains procedures throughly. - Sep 6, 2024 by Yejee P.Click to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Also offers video visits · Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in acid reflux + 6 more ·
Read bio
Dr. Dicker earned his Doctor of Medicine from NYU Grossman School of Medicine. He completed his internship, residency, and fellowship at NYC Health + Hospitals / Bellevue. Outside of his professional commitments, Dr. Dicker enjoys spending time and traveling with his wife, five children, and two son...Click to read more
Next available: Tue, Apr 21

Dr. Mordecai A Dicker, MD

Gastroenterologist (Virtual)
4.83
·58 reviews
Dr. Dicker is very knowledgeable and attentive. He explains procedures throughly. - Sep 6, 2024 by Yejee P.Click to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · 25+ years of experience · Offers video visits · Excellent wait time · Expertise in acid reflux + 6 more ·
Read bio
Dr. Dicker earned his Doctor of Medicine from NYU Grossman School of Medicine. He completed his internship, residency, and fellowship at NYC Health + Hospitals / Bellevue. Outside of his professional commitments, Dr. Dicker enjoys spending time and traveling with his wife, five children, and two son...Click to read more
Next available: Tue, Apr 21

Dr. Arthur Talansky, MD

Gastroenterologist (Virtual)
4.87
·61 reviews
Doctor’s professionalism and accommodating staff. - Mar 25, 2025 by JUSTINIANO M.Click to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait timeExpertise in gastroenteritis + 7 more
Next available: Tue, Apr 21

Dr. Arthur Talansky, MD

Gastroenterologist
4.87
·61 reviews
Doctor’s professionalism and accommodating staff. - Mar 25, 2025 by JUSTINIANO M.Click to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait timeExpertise in gastroenteritis + 7 more
Next available: Tue, Apr 21

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
28.5 mi · 750 Old Country Rd, Bldg 2, Riverhead, NY 11901
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
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, Apr 14

Dr. Lay Acharya, MD

Internist
4.87
·166 reviews
Excellent, she listened to all my concerns; Patient by KJClick to read more
24 mi · 137 Willis Ave, Ste 110, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 21 more
Accepting new patients · Highly recommended · Expertise in high cholesterol + 2 more ·
Read bio
Dr. Lay Acharya is an experienced internist. She practices at Northeast Primary Care Physicians in Mineola, NY. She earned her bachelor’s degree from New York University. Dr. Acharya completed her medical degree at the Medical University of the Americas and her residency at Augusta University. Boa...Click to read more
Next available: tomorrow

Dr. Jeffrey Berger, MD

Gastroenterologist
5.00
·56 reviews
The office was great on everything, there was not wait time cause the doctor was present. - Jun 30, 2024 by Judeline Vaness S.Click to read more
26.5 mi · 1 Dakota Dr, Ste 310, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic high blood pressure + 7 more ·
Read bio
Jeffrey N. Berger MD is Board Certified in Internal Medicine and Gastroenterology. He received his medical degree from Albany Medical College with medical training at the University of Pittsburgh Medical Center. Dr. Berger did his Fellowship in Gastroenterology and Hepatology in the University of C...Click to read more
Next available: Fri, Jun 5

Dr. Ellen Haig, MD

Gastroenterologist
5.00
·44 reviews
Doctor is straight to the point and knowledgeable about her field.Click to read more
27.5 mi · 2 Lincoln Ave, Ste 201, Rockville Centre, NY 11570
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait timeExpertise in acute gastrointestinal bleeding + 6 more
Next available: Wed, May 13

Dr. Allen Ahdoot, MD

Gastroenterologist
4.93
·68 reviews
I love Dr. Ahdoot, would not go to any one else! - Mar 2, 2011 by CMClick to read more
26.5 mi · 1 Dakota Dr, Ste 310, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 5 more ·
Read bio
Allen Ahdoot, MD, is a skilled and accomplished gastroenterologist practicing for over 20 years in New Hyde Park. He earned his Doctor of Medicine from the Ruth and Bruce Rappaport Faculty of Medicine at the Technion Israel Institute of Technology and completed his fellowship at Montefiore Medical C...Click to read more
Next available: Wed, Jun 17

Dr. Mark Coronel, MD

Gastroenterologist
4.80
·254 reviews
Nice Dr. and staff. On-line booking was easy and accurate. - Aug 3, 2021 by Richard M.Click to read more
28.5 mi · 715 Roanoke Ave, Bldg B, Riverhead, NY 11901
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
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, Apr 23

Dr. Brandon Rieders, MD

Gastroenterologist
4.77
·61 reviews
Very professional, made me feel at ease, i felt comfortable with the consultation, i would definitely recommend Dr RIEDERS - Feb 18, 2020 by Jeffrey A.Click to read more
29 mi · 210 E Sunrise Hwy, Ste 304, Valley Stream, NY 11581
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Accepting new patients · Expertise in colonoscopy + 4 more ·
Read bio
Brandon Elliott Rieders received his undergraduate and medical degrees from The University of Miami Miller School of Medicine’s combined 7-year honors program. He completed his postgraduate training in internal medicine and fellowship in gastroenterology at The George Washington University Hospital....Click to read more
Next available: Tue, Apr 14

Dr. Donald Palmadessa, MD

Gastroenterologist
4.95
·39 reviews
He explained himself thoroughly,and also was a good listener. - Jan 14, 2026 by Marietta M.Click to read more
29 mi · 241-02 Northern Blvd, 1st Fl, Douglaston, NY 11362
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 7 more ·
Read bio
Dr. Donald Palmadessa is a highly regarded gastroenterologist. He practices at Northwell Health Gastroenterology- Central in Douglaston, NY. He also visits Long Island Jewish Medical Center and North Shore University Hospital as an affiliate. Dr. Palmadessa earned his medical degree and residency i...Click to read more
Next available: Tue, Apr 14

Dr. Sumera Gilani, MD

Family Physician
4.82
·61 reviews
I had a great experience with Dr. Gilani during my appointment today. She addressed all my questions and concerns I have. She was very thorough. I would highly recommend to see her. by LLClick to read more
24 mi · 137 Willis Ave, Ste 110, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 21 more
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 7

Dr. David Kadosh, MD

Gastroenterologist
5.00
·13 reviews
Dr Kadosh was friendly and patient. He is a great listener and clear communicator. I was very comfortable with explaining my medical needs to him. He contacted me the very next day with my lab test results. I would recommend him. It was easy to book an appointment. - Jan 26, 2026 by Patty C.Click to read more
29 mi · 241-02 Northern Blvd, 1st Fl, Douglaston, NY 11362
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. David Kadosh is a gastroenterologist at Northwell Health Gastroenterology - Central in Douglaston, NY. He is affiliated with the Long Island Jewish Medical Center and the North Shore University Hospital. As part of his educational training, Dr. Kadosh acquired his medical degree from Technion-I...Click to read more
Next available: Wed, Apr 15
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Frequently asked questions

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

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

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

Zocdoc lets you search specifically for a Smithtown 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 Smithtown?

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

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

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

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

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

You can use Zocdoc to find Gastroenterologists in Smithtown 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 Smithtown?

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

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

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