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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 09/10/2026
Availability last updated 09/10/2026

Dr. Christine Chen, DO

Gastroenterologist
4.82
·301 reviews
Dr Chen listens and explained all my questions. Namrarta explained procedure prep. Friendly staff. Would recommend - Sep 22, 2023 by Raveendran G.Click to read more
24 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 8 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: today

Dr. Jarred Marshak, MD

Gastroenterologist
4.88
·186 reviews
Dr. Marshal is incredibly kind and attentive. He listens carefully and always makes me feel at ease. - Apr 27, 2026 by Jennifer S.Click to read more
21 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 45 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in colonoscopy + 7 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Skilled with the intricacies of gastroenterology, Dr. Jarred Marshak received his medical degree from the American University of the Caribbean School of Medicine. S...Click to read more
Next available: Fri, Sep 25

Dr. Shirley Johnson, MD

Gastroenterologist
4.83
·461 reviews
Very friendly staff. Dr was attentive, knowledgeable and very professional with awesome personality. - Jun 7, 2021 by Ryan T.Click to read more
24 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 8 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: tomorrow

Dr. Jordan Rush, MD

Gastroenterologist
4.94
·276 reviews
Very thorough, kind and patient. I would highly reccomend him! His medical assistant was also very sweet - Apr 4, 2017 by Jessica B.Click to read more
21 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 45 more
Accepting new patients · 17 years of experience · Highly recommended · Excellent wait time · Expertise in acute stomach inflammation/infection + 5 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. **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, ...Click to read more
Next available: Thu, Oct 1

Dr. Raymond Diaz, MD

Gastroenterologist
4.60
·10 reviews
Profesional and friendly - Sep 5, 2025 by Patricia M.Click to read more
26.5 mi · 1575 Hillside Ave, Ste 301, New Hyde Park, NY 11040
Accepts Aetna, BlueCross BlueShield, Cigna + 8 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: today

Dr. Carly Barth, MD

Gastroenterologist
4.91
·404 reviews
Great experience! Dr. Barth has a great bedside manner. - Jun 30, 2024 by Martin J.Click to read more
21 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 45 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: Fri, Oct 9

Dr. Ronald Fagan, MD

Internist
4.36
·47 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 + 6 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: Mon, Sep 14

Dr. Jacqueline Forman, MD

Gastroenterologist
4.83
·94 reviews
This is a very friendly and professional office. The staff were very helpful and explained procedures clearly. Dr. Forman is easy to talk to and listens carefully. She too explains her reasoning and recommendations clearly. At no time did I feel rushed or foolish for asking questions. Filling out th...Click to read more
27 mi · 310 E Shore Road, Suite 206, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Emblem Health + 5 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: today

Dr. Harold Lipsky, MD

Gastroenterologist (Virtual)
4.73
·111 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 + 26 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: today

Dr. Harold Lipsky, MD

Gastroenterologist
4.73
·111 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 + 26 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: today

Dr. Robert Herman, MD

Gastroenterologist
5.00
·10 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 + 1 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: today

Kimberly Riegel, NP

Nurse Practitioner (Gastroenterology)
4.96
·171 reviews
Kim was prompt, kind, & extremely knowledgeable with many strong recomendations. So happy to have found her. by PKClick to read more
20.5 mi · 287 Wading River Rd, Unit 2, Manorville, NY 11949
Accepts Aetna, BlueCross BlueShield, Cigna + 17 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

Avigail Itzkowitz, APRN, NP

Nurse Practitioner (Gastroenterology)
5.00
·23 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
19 mi · 187 Veterans Blvd, Massapequa, NY 11758
Accepts Aetna, BlueCross BlueShield, Cigna + 22 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: Tue, Sep 15

Dr. David Kadosh, MD

Gastroenterologist
4.83
·23 reviews
Listened and answered all questions and concerns - Oct 22, 2025 by Alicia J.Click to read more
29 mi · 241-02 Northern Blvd, 1st Fl, Douglaston, NY 11362
Accepts Aetna, BlueCross BlueShield, Cigna + 4 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: today

Dr. Frederick Rozenshteyn, MD

Gastroenterologist
4.00
·1 review
22.5 mi · 32 Strawberry Hill Court 4th Floor, Suite 6, Stamford, CT 06902
Accepting new patients · Excellent wait time ·
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: Mon, Nov 9

Dr. David E Milkes, MD

Gastroenterologist (Virtual)
4.91
·66 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 + 23 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: tomorrow

Dr. David E Milkes, MD

Gastroenterologist
4.91
·66 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 + 23 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: tomorrow

Dr. Eric Zhao, MD

Gastroenterologist
5.00
·9 reviews
Newtown Gastroenterology is a brand new facility! The office staff and doctors are very caring. My needs were heard and my collective medical history was thoroughly analyzed to determine the next steps, clinically. I will definitely come back again! - Aug 14, 2026 by Valencia S.Click to read more
28 mi · 450 Northern Blvd, Great Neck, NY 11021
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Eric Zhao is a gastroenterologist committed to providing thoughtful, patient-centered care for a wide range of digestive and liver conditions. He earned his medical degree from Rutgers New Jersey Medical School, completed his internal medicine residency at Rutgers Robert Wood Johnson, and went o...Click to read more
Next available: tomorrow

Dr. John Lee, MD

Gastroenterologist
4.42
·24 reviews
28 mi · 450 Northern Blvd, Great Neck, NY 11021
Accepts Aetna, BlueCross BlueShield, Cigna + 16 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: tomorrow

Dr. Dwayne Hall, DNP

Family Nurse Practitioner
4.71
·52 reviews
Dr. Harris was affable, knowledgeable and understanding. I would definitely recommend his practice. - May 23, 2026 by Lorenda R.Click to read more
23.5 mi · 900 Madison Ave, Ste 208, Bridgeport, CT 06606
Accepts Aetna, BlueCross BlueShield, Cigna + 4 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: today

Tarsha Scarlett Grant, MSN, NP

Family Nurse Practitioner
4.63
·8 reviews
Exceptional bed side manners. No wait time. Would highly recommend. by Samantha L.Click to read more
23.5 mi · 900 Madison Ave, Ste 208, Bridgeport, CT 06606
Accepts Aetna, BlueCross BlueShield, Cigna + 1 more
Also offers video visits · Accepting new patients · Excellent wait time ·
Read bio
Tarsha Scarlett-Grant, MSN, FNP-BC, is a board-certified Family Nurse Practitioner specializing in primary care and in-home concierge medicine. She is committed to providing a high-quality, personalized healthcare experience where patients feel welcomed, heard, and genuinely cared for. With a backgr...Click to read more
Next available: today

Dr. Jamil Alexis, MD

Gastroenterologist
5.00
·1 review
Dr. Alexis was amazing, so helpful and kind. He was very clear in his communication and he's bilingual, so my mom could understand what he was saying and ask her own questions. he took in all of our concerns and addressed them appropriately - Sep 1, 2026 by Lucila R.Click to read more
22.5 mi · 32 Strawberry Hill Court 4th Floor, Suite 6, Stamford, CT 06902
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Jamil Alexis is a gastroenterologist who diagnoses and treats a wide range of disorders affecting the stomach, small intestine, colon, pancreas, liver, and gallbladder. He has a particular interest in conditions such as gastroesophageal reflux disease (GERD), eosinophilic esophagitis (EoE), infl...Click to read more
Next available: Wed, Nov 25

Dr. Mark Coronel, MD

Gastroenterologist
4.81
·268 reviews
I thought the Dr was very good. He explained things, And Was very nice And Very knowledgeable. - Dec 1, 2023 by Ann D.Click to read more
28.5 mi · 715 Roanoke Ave, Bldg B, Riverhead, NY 11901
Accepts Aetna, BlueCross BlueShield, Cigna + 17 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, Oct 8

Dr. Lay Acharya, MD

Internist
4.85
·184 reviews
The doctor was great pleasant attitude very nice staff - Sep 11, 2025 by David D.Click to read more
24 mi · 137 Willis Ave, Ste 110, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 13 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: today

Dr. Sumera Gilani, MD

Family Physician
4.83
·72 reviews
Very Professional & a good listener with whom you can freely discuss your issues with. by PSClick to read more
24 mi · 137 Willis Ave, Ste 110, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 13 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: today

Dr. Nick Weber, MD

Family Physician
24 mi · 4 Mineola Ave, Roslyn Heights, NY 11577
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients ·
Read bio
Dr. Nicholas Weber, MD, MPH, FAAFP, is a board-certified Family Medicine physician dedicated to providing compassionate, patient-centered care for individuals and families across all stages of life. He completed his residency training at Nassau University Medical Center, where he served as Chief Res...Click to read more
Next available: today

Dr. Arlene Garcia, MD

Gastroenterologist
4.79
·404 reviews
Dr. Garcia is great. She took time to explain the procedure and answered all questions. She is very personable. - Oct 17, 2016 by Judith C.Click to read more
26.5 mi · 1575 Hillside Ave, Ste 301, New Hyde Park, NY 11040
Accepts Aetna, BlueCross BlueShield, Cigna + 8 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, Sep 16

Dr. Preeti Mehta, MD

Gastroenterologist
4.83
·1715 reviews
She was excellent! Attentive, kind and thorough. I would reccomend her to anyone. - Apr 15, 2019 by Lourdes G.Click to read more
26.5 mi · 1991 Marcus Ave, Ste M200, North New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 8 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, Sep 16

Dr. Haseeb Ahmed, MD

Gastroenterologist
4.89
·116 reviews
Dr Ahmed took his time with me and listened to all my questions and concerns. Great bedside manner, absolutely recommend him! - Jul 18, 2024 by Kailyn G.Click to read more
27 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 19 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, Sep 15

Dr. Chaim Abittan, MD

Gastroenterologist
4.99
·68 reviews
Telehealth visit is a real time saver. Dr Abittan as always was attentive and communicated clearly. by Elie R.Click to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 23 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: Mon, Sep 14

Dr. Chaim Abittan, MD

Gastroenterologist (Virtual)
4.99
·68 reviews
Telehealth visit is a real time saver. Dr Abittan as always was attentive and communicated clearly. by Elie R.Click to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 23 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: Mon, Sep 14

Dr. Shirley Johnson, MD

Gastroenterologist
4.83
·461 reviews
Very friendly staff. Dr was attentive, knowledgeable and very professional with awesome personality. - Jun 7, 2021 by Ryan T.Click to read more
26.5 mi · 1991 Marcus Ave, Ste M200, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 8 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, Sep 17

Dr. Anthony Celifarco, MD

Gastroenterologist
4.96
·27 reviews
Dr listened very carefully and proposed a treatment plan for me.Click to read more
27 mi · 310 E Shore Road, Suite 206, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Emblem Health + 7 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, Sep 15

Dr. Howard Rattner, MD

Gastroenterologist
4.90
·69 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
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 23 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: Tue, Sep 15

Dr. Howard Rattner, MD

Gastroenterologist (Virtual)
4.90
·69 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
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 23 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: Tue, Sep 15

Dr. Andrew Marshall, MD

Gastroenterologist
4.72
·124 reviews
The staff were friendly and welcoming. The office was clean. Dr. Marshall was attentive, patient and thorough. - Apr 10, 2025 by Lisa R.Click to read more
29.5 mi · 1800 Rockaway Ave, Ste 201, Hewlett, NY 11557
Accepts Aetna, BlueCross BlueShield, Cigna + 18 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. David Berger, MD

Gastroenterologist
4.98
·62 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 + 18 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, Sep 18

Dr. Mordecai A Dicker, MD

Gastroenterologist
4.82
·60 reviews
Through timely visit. Dr. Dicker addressed all conserns. - Feb 26, 2026 by Jerry G.Click to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 23 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, Sep 16

Dr. Mordecai A Dicker, MD

Gastroenterologist (Virtual)
4.82
·60 reviews
Through timely visit. Dr. Dicker addressed all conserns. - Feb 26, 2026 by Jerry G.Click to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 23 more
Accepting new patients · 25+ years of experience · Offers video visits · Excellent wait time · Expertise in acid reflux + 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. 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, Sep 16

Dr. Chandhini Ramaiah, MD

Gastroenterologist
4.68
·47 reviews
Very professional and listening to your complaints. - Feb 5, 2025 by Ronald B.Click to read more
27.5 mi · 560 Northern Blvd, Great Neck, NY 11021
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · 25+ years of experience · Excellent wait time
Next available: Tue, Sep 15

Dr. Ilya Badalov, MD

Gastroenterologist
4.64
·133 reviews
Good communicator, good bedside manner, clean office overall great. - Mar 2, 2022 by Florence S.Click to read more
26.5 mi · 1991 Marcus Ave, Ste M200, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · 25+ years of experience · Expertise in colonoscopy + 1 more
Next available: Tue, Sep 22

Dr. Rabin Rahmani, MD

Gastroenterologist
5.00
·3 reviews
29.5 mi · 1605 Bdwy, helett, NY 11557
Accepts Aetna, BlueCross BlueShield, Cigna + 1 more
Accepting new patients · 21 years of experience · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause + 8 more ·
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Dr. Rabin Rahmani is a founding physician of Gastroenterology Associates of Brooklyn. Dr. Rahmani currently serves as Director of Medical Education and Research for the department of Gastroenterology at Maimonides Medical Center, Director of performance improvement for Endoscopy and Hepatobiliary Di...Click to read more
Next available: tomorrow

Dr. Donald Palmadessa, MD

Gastroenterologist
4.95
·42 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 + 4 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: tomorrow

Dr. Frederick Rozenshteyn, MD

Gastroenterologist
4.00
·1 review
25.5 mi · 195 Danbury Rd, Wilton, CT 06897
Accepting new patients · Excellent wait time ·
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, Nov 4

Michael Liu, NP

Adult Nurse Practitioner
4.83
·29 reviews
The wait time was very quick. I had little to no wait time, but this is everytime I see this Dr. He very good with patients. by NSClick to read more
24 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Highly recommended · Excellent wait time ·
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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: tomorrow

Dr. Preeti Mehta, MD

Gastroenterologist
4.83
·1715 reviews
She was excellent! Attentive, kind and thorough. I would reccomend her to anyone. - Apr 15, 2019 by Lourdes G.Click to read more
28.5 mi · 750 Old Country Rd, Bldg 2, Riverhead, NY 11901
Accepts Aetna, BlueCross BlueShield, Cigna + 8 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: Tue, Sep 15

Dr. Steven Linzer, DO

Family Physician
4.86
·3213 reviews
Steven helped me with all the paperwork and documentation and helped give positive feedback as usual. - Oct 17, 2014 by Tuk L.Click to read more
22 mi · 30 Merrick Ave, East Meadow, NY 11554
Accepts Aetna, BlueCross BlueShield, Cigna + 43 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in upper respiratory infection (uri) + 4 more ·
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Note: New patients need to be seen in the office; please do not book a video visit. Dr. Steven P. Linzer is a board-certified family physician who earned his Doctor of Osteopathic Medicine degree from the New York Institute of Technology, New York College of Osteopathic Medicine. He completed his fa...Click to read more
Next available: Tue, Sep 15

Tiffany Bailey, APRN

Nurse Practitioner
5.00
·2 reviews
I love seeing my color work in the healthcare field. It makes me feel safe, heard and seen. - Aug 29, 2026 by Dawna J.Click to read more
23.5 mi · 900 Madison Ave, Ste 208, Bridgeport, CT 06606
Accepts Aetna, BlueCross BlueShield, Cigna
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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: tomorrow

Chioma Ishie, APRN

Family Nurse Practitioner
4.14
·14 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 Aetna, BlueCross BlueShield, Medicare
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, Sep 12

Alexander Salcedo, PA

Physician Assistant
4.38
·73 reviews
The doctor was great, the actual visit was great, but I will never schedule another appointment so long as he's with this health group. They are AWFUL. They told me to call in after my bloodwork to ask about the results, because I may not need to come in for a follow-up appt. So I called in and aske...Click to read more
24.5 mi · 135 Main St, Hempstead, NY 11550
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Accepting new patients · Excellent wait time ·
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"Mr. Alexander Salcedo is a skilled and dedicated physician assistant serving the Hempstead, NY community. At Suffolk Health Hempstead, he provides comprehensive consultations and follow-up care for a wide range of health needs. Mr. Salcedo is committed to preventive care, early detection, and pati...Click to read more
Next available: today

Dr. Alan Sloyer, MD

Gastroenterologist
4.97
·67 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
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 23 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: Mon, Oct 5

Dr. Alan Sloyer, MD

Gastroenterologist (Virtual)
4.97
·67 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
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 23 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
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: Mon, Oct 5

Dr. Jonathan David, MD

Gastroenterologist
4.33
·103 reviews
The doctor seems to know his stuff and communicates well , listens well, and pays attention to detail. The office does not reflect any of this. It is cluttered, disorganized, and left me wondering when it was last cleaned. While waiting for my colonoscopy I considered getting dressed and leavin...Click to read more
33.5 mi · 136 Sagamore Rd, Tuckahoe, NY 10707
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in colonoscopy + 3 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Catering to the people of Tuckahoe, NY, Dr. Jonathan David is a highly skilled gastroenterologist. His patients visit him at his private practice. Following his ba...Click to read more
Next available: today

Dr. Brandon Rieders, MD

Gastroenterologist
4.76
·66 reviews
Great doctor! Great listener! Had a lot of fear going in and he put me at ease quickly. - Mar 25, 2021 by Matthew R.Click to read more
29 mi · 210 E Sunrise Hwy, Ste 304, Valley Stream, NY 11581
Accepts Aetna, BlueCross BlueShield, Cigna + 14 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, Sep 15

Dr. Arthur Talansky, MD

Gastroenterologist (Virtual)
4.88
·66 reviews
Been seeing Dr Talansky for the past 20 years. Very knowledgeable and professional. Would highly recommend. - Jun 1, 2026 by Frank G.Click to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 23 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: Tue, Oct 13
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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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