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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.
All providers
Availability last updated 05/23/2026
Availability last updated 05/23/2026

Dr. Carly Barth, MD

Gastroenterologist
4.91
·396 reviews
She was great. Got me in for a CT scan the same day and called me with results 20 minutes later. So glad I found her - Aug 14, 2020 by Heily P.Click to read more
21 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 55 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in acid reflux + 3 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Certified by the American Board of Internal Medicine, Dr. Carly Barth is a skilled gastroenterologist. Patients visit her at Long Island Gastroenterology Specialist...Click to read more
Next available: Mon, Jun 8

Dr. Ronald Fagan, MD

Internist
4.35
·46 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 + 14 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: Thu, May 28

Dr. Christine Chen, DO

Gastroenterologist
4.82
·285 reviews
Dr chen cares! She goes over and above and i am very grateful! - Jul 12, 2024 by Barbara R.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: Thu, May 28

Dr. Shirley Johnson, MD

Gastroenterologist
4.83
·455 reviews
She was wonderful and friendly and was all about helping me. I was so impressed with how warm and nice she was.Click to read more
24 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
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: Fri, May 29

Dr. Dwayne Hall, DNP

Family Nurse Practitioner
5.00
·12 reviews
Is good Doctor the Best in the area help me a Lot thanks - May 9, 2026 by Hector C.Click to read more
23.5 mi · 900 Madison Ave, Ste 208, Bridgeport, CT 06606
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dwayne Hall DNP practices in the area of Bridgeport, CT providing care in a personalized environment. Dedicated to providing quality healthcare to patients, Dwayne Hall DNP has completed clinical training requirements in the specialty of General Medicine.Click to read more
Next available: Mon, May 25

Dr. Eleazer Yousefzadeh, MD

Gastroenterologist
4.84
·101 reviews
I’ll tell you how amazing EVERYONE is at this office. I came with my daughter who was having a procedure done. I felt such ease the whole time I was there that I scheduled a procedure for myself that I’ve been putting off for years. So with that said I rate them 1000 out of 10. I highly recommend th...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: Tue, May 26

Dr. Jack Mlabasati, MD

Gastroenterologist
4.88
·8 reviews
Great Doctor, took time to listen and ask questions. - Dec 11, 2025Click to read more
25.5 mi · 199 Hempstead Tpke, West Hempstead, NY 11552
Accepts Aetna, BlueCross BlueShield, Cigna + 49 more
Accepting new patients · Excellent wait time ·
Read bio
Dr. Jack Mlabasati is a gastroenterologist and hepatologist committed to providing comprehensive, personalized digestive health care. Known for his thorough approach and warm bedside manner, Dr. Mlabasati specializes in conditions such as acid reflux, IBS, IBD (Crohn’s & Ulcerative Colitis), liver d...Click to read more
Next available: Mon, Jun 1

Dr. Arlene Garcia, MD

Gastroenterologist
4.80
·393 reviews
Great bedside manner and very detailed consultation. You feel you can trust her right away!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 · Highly recommended · 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, May 27

Chioma Ishie, APRN

Family Nurse Practitioner
4.38
·13 reviews
Everything went as expected and moved quite efficiently. Ms. Ishie was very professional and took great care of me. I look forward to my next visit. by Xavier T.Click to read more
23.5 mi · 900 Madison Ave, Ste 208, Bridgeport, CT 06606
Accepts BlueCross BlueShield + 1 more
Also offers video visits · Accepting new patients ·
Read bio
Board certified Family Nurse Practitioner through the American Nurses Credentialing Center (ANCC). Earned my Masters in Nursing from Wilkes University and holds a Bachelors in Nursing from Fairfield University I have provided care across diverse settings—from skilled nursing facilities, inpatient f...Click to read more
Next available: Sat, May 30

Dr. Preeti Mehta, MD

Gastroenterologist
4.83
·1702 reviews
She is amazing. Completely made me feel welcomed and good about the topics spoken about. Very nice doctor. - Apr 9, 2019 by Marcela M.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, May 27

Dr. Anthony Celifarco, MD

Gastroenterologist
5.00
·20 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 + 15 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic inflammatory bowel disease (ibd) + 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. 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 fe...Click to read more
Next available: Tue, May 26

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 + 4 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in diverticulosis (outpouchings) of intestine + 7 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. 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...Click to read more
Next available: Tue, May 26

Dr. Raymond Diaz, MD

Gastroenterologist
4.60
·10 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, May 28

Dr. Charnjit Singh, MD

Gastroenterologist
4.91
·215 reviews
Very attentive and understanding. My husband and I have been seeing him for years. - Oct 10, 2017 by Darcy C.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: Tue, May 26

Kimberly Riegel, NP

Nurse Practitioner (Gastroenterology)
4.96
·144 reviews
I was very thankful, and will definitely be going to her for any of my gastrointestinal needs. - Dec 11, 2024Click 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: Tue, May 26

Avigail Itzkowitz, APRN, NP

Nurse Practitioner (Gastroenterology)
5.00
·19 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
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Ms. Avigail Itzkowitz is a committed nurse practitioner specializing in gastroenterology. She practices at Gastrointestinal Care of Long Island, PC, in Massapequa, ...Click to read more
Next available: Fri, Jun 5

Dr. Ellen Haig, MD

Gastroenterologist
5.00
·45 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: Tue, May 26

Dr. Chandhini Ramaiah, MD

Gastroenterologist
4.76
·45 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 + 16 more
Accepting new patients · 25+ years of experience · Excellent wait time
Next available: Tue, May 26

Dr. Jacqueline Forman, MD

Gastroenterologist
4.80
·82 reviews
Dr. Forman listened to my concerns and answered all questions with patience and clarity. - May 4, 2026 by Jiji G.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 time · Expertise in irritable bowel syndrome (ibs) + 3 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office.Click to read more
Next available: Tue, May 26

Dr. Joshua Berkowitz, MD

Gastroenterologist (Virtual)
4.85
·450 reviews
I had no wait for my scheduled appointment. Dr B was friendly and knowledgeable. - Sep 2, 2023 by Joe F.Click to read more
Manhasset, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 49 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) ·
Read bio
Dr. Joshua Berkowitz is a board-certified gastroenterology physician. He obtained his medical degree from the Icahn School of Medicine at Mount Sinai. He completed a residency in internal medicine, and a fellowship in gastroenterology at Northwell Health in Manhasset, New York, where he served as ch...Click to read more
Next available: Fri, May 29

Michael Liu, NP

Adult Nurse Practitioner
4.67
·15 reviews
Very Nice. by JQClick to read more
24 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Excellent wait time ·
Read bio
Mr. Michael Liu is an enthusiastic and detail-oriented adult nurse practitioner. He holds a Bachelor’s and a Master’s degree in Nursing from Florida International University. Mr. Liu brings extensive experience to his role at Digestive Disease Care across various locations, including Forest Hills, R...Click to read more
Next available: today

Dr. Chaim Abittan, MD

Gastroenterologist (Virtual)
4.98
·62 reviews
The provider was helpful. He went over my chart and took the time to find previous assessments and details - Jul 30, 2024 by Rebeca S.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 · Expertise in irritable bowel syndrome (ibs) + 7 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. 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 f...Click to read more
Next available: Fri, May 29

Dr. Shirley Johnson, MD

Gastroenterologist
4.83
·455 reviews
She was wonderful and friendly and was all about helping me. I was so impressed with how warm and nice she was.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, Jun 4

Dr. Haseeb Ahmed, MD

Gastroenterologist
4.88
·111 reviews
Excellent first visit..Answered all questions and throughly explained procedure and prep work - Jun 20, 2024 by Grace M.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 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, Jun 2

Dr. Harold Lipsky, MD

Gastroenterologist (Virtual)
4.71
·103 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
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. 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 ...Click to read more
Next available: Tue, May 26

Dr. David Schwarzbaum, MD

Gastroenterologist (Virtual)
4.75
·151 reviews
the staff was friendly and the doctor was knowledgeable and very helpful.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
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. 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...Click to read more
Next available: Tue, May 26

Dr. David Schwarzbaum, MD

Gastroenterologist
4.75
·151 reviews
the staff was friendly and the doctor was knowledgeable and very helpful.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
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. 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...Click to read more
Next available: Tue, May 26

Dr. Harold Lipsky, MD

Gastroenterologist
4.71
·103 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
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. 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 ...Click to read more
Next available: Tue, May 26

Dr. Mejdi Ahmad, MD

Gastroenterologist
4.83
·41 reviews
What really caught my attention was the gentleman who spoke with me before the doctor arrived. He was very attentive, patient, and had an excellent bedside manner.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, May 26

Dr. Joshua Berkowitz, MD

Gastroenterologist
4.85
·450 reviews
I had no wait for my scheduled appointment. Dr B was friendly and knowledgeable. - Sep 2, 2023 by Joe F.Click to read more
27 mi · 444 Community Dr, Ste 302, Manhasset, NY 11030
Accepts Aetna, BlueCross BlueShield, Cigna + 49 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) ·
Read bio
Dr. Joshua Berkowitz is a board-certified gastroenterology physician. He obtained his medical degree from the Icahn School of Medicine at Mount Sinai. He completed a residency in internal medicine, and a fellowship in gastroenterology at Northwell Health in Manhasset, New York, where he served as ch...Click to read more
Next available: Wed, Jun 3

Dr. David E Milkes, MD

Gastroenterologist (Virtual)
4.90
·60 reviews
The Dr was extremely patient kind and informative I will definitely recommend him to anyone in need of his specialty!! - Jun 11, 2024 by Eric K.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
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Milkes earned his Doctor of Medicine from the University of California San Diego. He completed his internship and residency at NewYork-Presbyterian / Columbia U...Click to read more
Next available: Mon, Jun 1

Dr. Arthur Talansky, MD

Gastroenterologist (Virtual)
4.87
·62 reviews
nice man who explained everything in detail. i am an anxious guy and he took time to not "scare me" if that makes sense. - Oct 3, 2025 by James L.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 gastroenteritis + 7 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office.Click to read more
Next available: Mon, Jun 1

Dr. Howard Rattner, MD

Gastroenterologist (Virtual)
4.88
·56 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 recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office.Click to read more
Next available: Mon, Jun 1

Dr. Howard Rattner, MD

Gastroenterologist
4.88
·56 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 recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office.Click to read more
Next available: Mon, Jun 1

Dr. Jack Mlabasati, MD

Gastroenterologist
4.88
·8 reviews
Great Doctor, took time to listen and ask questions. - Dec 11, 2025Click to read more
27 mi · 444 Community Dr, Ste 302, Manhasset, NY 11030
Accepts Aetna, BlueCross BlueShield, Cigna + 49 more
Accepting new patients · Excellent wait time ·
Read bio
Dr. Jack Mlabasati is a gastroenterologist and hepatologist committed to providing comprehensive, personalized digestive health care. Known for his thorough approach and warm bedside manner, Dr. Mlabasati specializes in conditions such as acid reflux, IBS, IBD (Crohn’s & Ulcerative Colitis), liver d...Click to read more
Next available: Thu, Jun 4

Dr. David E Milkes, MD

Gastroenterologist
4.90
·60 reviews
The Dr was extremely patient kind and informative I will definitely recommend him to anyone in need of his specialty!! - Jun 11, 2024 by Eric K.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
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Milkes earned his Doctor of Medicine from the University of California San Diego. He completed his internship and residency at NewYork-Presbyterian / Columbia U...Click to read more
Next available: Tue, Jun 2

Dr. Chaim Abittan, MD

Gastroenterologist
4.98
·62 reviews
The provider was helpful. He went over my chart and took the time to find previous assessments and details - Jul 30, 2024 by Rebeca S.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 · Expertise in irritable bowel syndrome (ibs) + 7 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. 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 f...Click to read more
Next available: Tue, Jun 2

Tiffany Bailey, APRN

Nurse Practitioner
23.5 mi · 900 Madison Ave, Ste 208, Bridgeport, CT 06606
Accepts BlueCross BlueShield + 1 more
Also offers video visits · Accepting new patients ·
Read bio
Tiffany Bailey is a board-certified Family Nurse Practitioner providing comprehensive primary care to adult patients. She brings over 10 years of registered nursing experience in high-acuity settings, including the intensive care unit (ICU), operating room, and emergency department. With nearly 2 y...Click to read more
Next available: Sat, May 30

Dr. Ilya Badalov, MD

Gastroenterologist
4.64
·133 reviews
it was a pretty solid, straightforward experience, with no surprised - Apr 8, 2023 by Leonardo E.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, Jun 9

Dr. Arthur Talansky, MD

Gastroenterologist
4.87
·62 reviews
nice man who explained everything in detail. i am an anxious guy and he took time to not "scare me" if that makes sense. - Oct 3, 2025 by James L.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 gastroenteritis + 7 more ·
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Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office.Click to read more
Next available: Wed, Jun 3

Dr. Mordecai A Dicker, MD

Gastroenterologist (Virtual)
4.83
·59 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 ·
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Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Dicker earned his Doctor of Medicine from NYU Grossman School of Medicine. He completed his internship, residency, and fellowship at NYC Health + Hospitals / Be...Click to read more
Next available: Wed, Jun 3

Dr. Mordecai A Dicker, MD

Gastroenterologist
4.83
·59 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 ·
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Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Dicker earned his Doctor of Medicine from NYU Grossman School of Medicine. He completed his internship, residency, and fellowship at NYC Health + Hospitals / Be...Click to read more
Next available: Wed, Jun 3

Dr. Nilesh Mehta, MD

Gastroenterologist
4.76
·335 reviews
Caring and thorough doctor. I’m glad I made this appointment. - Nov 28, 2018 by Scott 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 · 25+ years of experience · Expertise in acid reflux + 6 more ·
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**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 28

Dr. David Kadosh, MD

Gastroenterologist
5.00
·16 reviews
This place was great I was seen so quickly the doctor knew exactly what tests to be ordered and I like that he was thorough. I am going back to Dr. David! - Dec 11, 2025 by Angelica D.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 ·
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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: Tue, May 26

Dr. Donald Palmadessa, MD

Gastroenterologist
4.95
·40 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 ·
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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, May 26

Dr. Andrew Marshall, MD

Gastroenterologist
4.74
·116 reviews
Excellent doctor was great daignosing was good. Friendly and nice person. - Nov 3, 2024 by Pir K.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 ·
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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: Tue, May 26

Dr. Alan Sloyer, MD

Gastroenterologist (Virtual)
4.97
·63 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 ·
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Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Sloyer is an award-winning photographer specializing in travel, landscape, and street photography. He has been fortunate to travel to unique destinations and ex...Click to read more
Next available: Fri, Jun 12

Dr. Alan Sloyer, MD

Gastroenterologist
4.97
·63 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
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Sloyer is an award-winning photographer specializing in travel, landscape, and street photography. He has been fortunate to travel to unique destinations and ex...Click to read more
Next available: Thu, Jun 11

Dr. Neil Brodsky, MD

Gastroenterologist
4.94
·33 reviews
My doctor was super nice and explained me everything very clearly. - Apr 6, 2026 by Baturalp H.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 acute stomach inflammation/infection + 8 more ·
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Dr. Neil Brodsky is a gastroenterologist who provides in-person services at Northwell Health Gastroenterology - Central in Douglaston, NY. He is affiliated with Long Island Jewish Medical Center and North Shore University Hospital. Dr. Brodsky earned a medical degree from NYU Grossman School of Med...Click to read more
Next available: Wed, May 27

Dr. Preeti Mehta, MD

Gastroenterologist
4.83
·1702 reviews
She is amazing. Completely made me feel welcomed and good about the topics spoken about. Very nice doctor. - Apr 9, 2019 by Marcela M.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 ·
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**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, Jun 1

Dr. David Berger, MD

Gastroenterologist
4.98
·62 reviews
Very professional. Wonderful bedside manner. by PIClick 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: Thu, Jun 25

Dr. Mark Coronel, MD

Gastroenterologist
4.80
·259 reviews
great MD.... no nonsense --- no nurses, staff etc..just the good doc - Mar 19, 2021 by Duane R.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 ·
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**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, Jun 4

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: Thu, Jul 23

Dr. Jeffrey Berger, MD

Gastroenterologist
5.00
·57 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: Tue, Jul 28

Dr. Jack Mlabasati, MD

Gastroenterologist
4.88
·8 reviews
Great Doctor, took time to listen and ask questions. - Dec 11, 2025Click to read more
29 mi · 145 E Merrick Rd, Valley Stream, NY 11580
Accepts Aetna, BlueCross BlueShield, Cigna + 49 more
Accepting new patients · Excellent wait time ·
Read bio
Dr. Jack Mlabasati is a gastroenterologist and hepatologist committed to providing comprehensive, personalized digestive health care. Known for his thorough approach and warm bedside manner, Dr. Mlabasati specializes in conditions such as acid reflux, IBS, IBD (Crohn’s & Ulcerative Colitis), liver d...Click to read more
Next available: Wed, Jun 3
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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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