Browse specialties
Chiropractors
Dentists
Dermatologists
Ear, Nose & Throat Doctors
Endocrinologists
Eye Doctors
OBGYNs
Ophthalmologists
Optometrists
Orthopedic Surgeons
Podiatrists
Primary Care Doctors
Psychiatrists
Psychologists
Therapist-Counselors
See all specialties A-Z
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
Welcome to Zocdoc!
Book local doctors who take your insurance
Sign up
For providers
Grow your practice
For patients
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
HelpList your practice on Zocdoc
Sign up

Find an in-network doctor from over 1,000 insurance plans

Add your insurance to see in-network doctors
insurance link for 300
insurance link for 307
insurance link for 323
insurance link for 356
insurance link for 324
See all (1,000+)
315 verified Gastroenterologists in Long Island, 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 04/10/2026
Availability last updated 04/10/2026

Dr. Mejdi Ahmad, MD

Gastroenterologist
4.82
·38 reviews
everything was perfecto!! - Feb 14, 2025 by Daniel P.Click to read more
8 mi · 235 N Belle Mead Rd, East Setauket, NY 11733
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: Mon, Apr 13

Dr. Andrew Blank, MD

Gastroenterologist
4.84
·708 reviews
Extremely informative and thoroughly listened to my issues. Polite and concerned for his patients. - Apr 30, 2015 by Jessica B.Click to read more
8 mi · 235 N Belle Mead Rd, East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait timeExpertise in acute hemorrhoids + 5 more
Next available: Mon, Apr 13

Dr. Syeda Hossain, MD

Gastroenterologist
4.86
·258 reviews
Great experience overall, would strongly recommend this providerClick to read more
8 mi · 235 N Belle Mead Rd, East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 21 years of experience · Highly recommended · Expertise in acid reflux + 5 more ·
Read bio
Dr. Syeda Hossain is a diligent and reliable gastroenterologist caring for the Nesconset, NY community. Dr. Hossain obtained her medical degree from New York Medical College. She completed her residency in internal medicine at Massachusetts General Hospital. She then finished her fellowship in gastr...Click to read more
Next available: Mon, Apr 13

Dr. Derek Gindi, MD

Gastroenterologist
8 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 31 more
Accepting new patients ·
Read bio
Dr. Derek Gindi is a gastroenterologist dedicated to providing exceptional, patient-centered care for a full spectrum of digestive disorders. He sees patients at Northwell Health Gastroenterology-Eastern in Wading River and Setauket- East Setauket, NY. Dr. Gindi's practice philosophy emphasizes cle...Click to read more
Next available: Wed, Apr 15

Dr. H Cohn, MD

Gastroenterologist
4.94
·33 reviews
The experience at the office was great. I love the doctor. He took his time. Discussed everything and I left very satisfied. - Nov 17, 2025 by Juliana C.Click to read more
8 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 31 more
Accepting new patients · Highly recommended · Expertise in acid reflux + 5 more ·
Read bio
Dr. Cohn completed his residency in internal medicine at Boston University Medical Center before beginning his NIH-sponsored fellowship in gastroenterology at Case Western University School of Medicine's flagship teaching hospital, University Hospitals Cleveland Medical Center. Though Dr. Cohn enjoy...Click to read more
Next available: Tue, Apr 21

Dr. Seth Persky, MD

Gastroenterologist
4.84
·32 reviews
- Oct 15, 2025 by Devin M.Click to read more
8 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 31 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
Dr. Seth Persky is an experienced gastroenterologist who practices at Northwell Health Gastroenterology-Eastern. He offers services to people in Wading River and Setauket-East Setauket, NY, and is also affiliated with Mather Hospital. Dr. Persky is committed to providing exceptional, patient-center...Click to read more
Next available: Tue, Apr 21

Christina Zuckerman, PA-C

Physician Assistant
3 mi · 203 Union Avenue, Holbrook, NY 11741
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Also offers video visits · Accepting new patients ·
Read bio
Ms. Christina Zuckerman is a physician assistant based in Holbrook, NY. She practices at R&T Medical Primary Care and offers both in-office and virtual consultations. ? Ms. Zuckerman conducts thorough physical exams and develops evidence-based treatment plans. Patients trust her expertise and consis...Click to read more
Next available: Mon, Apr 13

Dr. Christopher Tomaino, MD

Gastroenterologist
4.78
·64 reviews
Staff was friendly very welcoming! Dr. Tomaino was professional. Great bedside manner! by JCClick to read more
6.5 mi · 153 N Ocean Ave, Patchogue, NY 11772
Accepts Aetna, BlueCross BlueShield, Cigna + 45 more
Accepting new patients · Highly recommended · Expertise in acute stomach inflammation/infection + 5 more ·
Read bio
Christopher Tomaino, MD, a board-certified gastroenterologist at East Coast Gastroenterology and Endoscopy in Patchogue, New York, offers comprehensive care for a variety of gastrointestinal symptoms and disorders. Dr. Tomaino earned his Doctor of Medicine degree from the American University of the ...Click to read more
Next available: Wed, Jun 3

Dr. William Cohn, MD

Gastroenterologist
4.97
·32 reviews
8 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 31 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause + 5 more ·
Read bio
Dr. William Cohn is a highly regarded gastroenterologist. He practices at Northwell Health Gastroenterology - Eastern, serving patients in Wading River and Setauket-East Setauket, NY. He earned his medical degree from VCU School of Medicine, where he also completed his residency in internal medicine...Click to read more
Next available: Wed, May 6

Osvaldo Moreira-Gonzalez, PA

Physician Assistant
5.00
·5 reviews
Very professional, excellent provider and very thorough. by KGClick to read more
7 mi · 105 Medford Ave, Patchogue, NY 11772
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Mr. Osvaldo Moreira-Gonzalez is a physician assistant at Gary DiCanio in Patchogue, NY. He welcomes patients with common illnesses, chronic diseases, and minor injuries. Mr. Moreira-Gonzalez understands patients' conditions and prepares individualized treatment plans. In addition to writing prescri...Click to read more
Next available: Mon, Apr 13

Dr. Mark Nyitray, DO

Gastroenterologist
5.00
·12 reviews
Fantastic! Dr. Nyitray always answers all my questions and takes his time to make sure I understand all my options. by MRClick to read more
14.5 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic inflammatory bowel disease (ibd) + 7 more ·
Read bio
Dr. Mark Nyitray is a highly experienced, board-certified gastroenterologist at Digestive Disease Care, specializing in the diagnosis and treatment of gastrointestinal and hepatobiliary disorders. With over 29 years of expertise, he provides compassionate care to help patients manage complex digesti...Click to read more
Next available: today

Dr. Asad Butt, MD

Family Physician
4.62
·564 reviews
It’s new, they are still working on the building itself but care was fast and they were well mannered and caring! - May 28, 2024 by Kaleya L.Click to read more
9 mi · 369 Middle Country Rd, Coram, NY 11727
Accepts Aetna, BlueCross BlueShield, Cigna + 372 more
Also offers video visits · Accepting new patients ·
Read bio
Asad Butt is a Family Medicine physician at our Highland Valley Medical Care office. He earned his Doctor of Medicine from the University of Toledo and completed his Family Medicine residency at Corewell Health Lakeland Hospitals - St. Joseph Hospital. Dr. Butt also holds a bachelor's degree from Ca...Click to read more
Next available: tomorrow

Dr. Mikhail Grzhibek, MD

Primary Care Doctor
4.76
·33 reviews
Excellent. by DAClick to read more
8.5 mi · 285 Sills Rd Bldg 4, Ste D, East Patchogue, NY 11772
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Also offers video visits · Accepting new patients · 23 years of experience · Excellent wait time · Expertise in underactive thyroid + 9 more ·
Read bio
Dr. Mikhail Grzhibek is a primary care doctor who sees patients in person at his private practice in East Patchogue, NY. He welcomes people with common illnesses, chronic diseases, mental health issues, and minor injuries that affect their quality of life. Dr. Grzhibek also provides virtual consult...Click to read more
Next available: Mon, Apr 13

Dr. Alan Sandberg, MD

Gastroenterologist
4.91
·573 reviews
Very thourough and caring. He took the time to clearly explain the medical reasons behind my symptoms and situation. - Mar 19, 2019Click to read more
14.5 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in acute hemorrhoids + 8 more ·
Read bio
** Please note - We are only able to see patients over the age of 18.** Alan Sandberg is an interested and qualified gastroenterologist serving the communities of Forest Hills and New Hyde Park, NY. He attended the State University of New York, Stony Brook, where he received his medical degree. H...Click to read more
Next available: Tue, Apr 14

Jenna Sonnenberg, RN, NP

Nurse Practitioner (Gastroenterology)
4.97
·30 reviews
- Jan 25, 2026 by Ashley J.Click to read more
8 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 31 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Jenna Sonnenberg is a skilled adult nurse practitioner. She provides care at Northwell Health Gastroenterology - Eastern in Wading River and Setauket-East Setauket, NY. She earned her bachelor's degree from UNM Hospital and her master's degree in adult nurse practitioner from Stony Brook Univer...Click to read more
Next available: Fri, Apr 17

Dr. Ilya Badalov, MD

Gastroenterologist
4.64
·132 reviews
it was a pretty solid, straightforward experience, with no surprised - Apr 8, 2023 by Leonardo E.Click to read more
14.5 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Expertise in colonoscopy + 1 more
Next available: Wed, Apr 15

Dr. Preeti Mehta, MD

Gastroenterologist
4.84
·1695 reviews
Very pleased with the Dr, she was very thorough and professional. - Mar 25, 2019 by Nicole S.Click to read more
14.5 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
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: Thu, Apr 16

Dr. Alan Schuller, MD

Gastroenterologist
4.86
·102 reviews
No wait and the doctor was professional and knowledgeable. Glad I made the decision to change doctors - Mar 22, 2024 by Kyle M.Click to read more
16.5 mi · 200 W Carver St, Ste 1, Huntington, NY 11743
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in atrial fibrillation and atrial flutter + 5 more ·
Read bio
Alan M. Schuller, MD earned a B.S. with distinction from Cornell University and his Doctor of Medicine degree from the State University of New York, Upstate Medical University. He trained in Internal Medicine at Saint Luke's-Roosevelt Hospital Center in New York City and completed a Gastroenterology...Click to read more
Next available: Mon, Apr 13

Dr. Mark Coronel, MD

Gastroenterologist
4.80
·254 reviews
Clean, comfortable office - efficient staff. Dr. on time, respectful and listened well. - Dec 15, 2021 by Collette C.Click to read more
17.5 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 13

Dr. Soren Gandhi, MD

Gastroenterologist
4.76
·67 reviews
The Doctor was very nice and very helpful - May 16, 2025 by Diana C.Click to read more
19.5 mi · 575 Underhill Blvd, Suite 200, Syosset, NY 11791
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Accepting new patients · Highly recommended · Expertise in acid reflux + 4 more ·
Read bio
Dr. Soren Gandhi is excited to be practicing on Long Island in his hometown of Syosset. He enjoys serving his community and helping guide people to live their healthiest lives. His areas of clinical expertise include colon cancer screening, acid reflux, constipation, and hemorrhoid management. He is...Click to read more
Next available: today

Dr. Nathaniel Crow, MD

Primary Care Doctor
4.77
·71 reviews
Dr Crow is funny, professional and cares. He's the first doctor I've had who really focused on healing instead of treating.Click to read more
12 mi · 701 NY-25A, Ste 2, Mt Sinai, NY 11766
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Accepting new patients · Highly recommended · Expertise in chronic high blood pressure + 1 more ·
Read bio
Dr. Nathaniel Crow is a board-certified primary care physician with over ten years of experience. Dr. Crow is dedicated to patient care and making his patients educated about their own care while giving them the support they need along the way. Dr. Crow received his medical degree from Marshall Uni...Click to read more
Next available: Tue, Apr 14

Dr. Robert Hitscherich, MD

Gastroenterologist
4.96
·54 reviews
Great doctor - Dec 16, 2025 by Diana G.Click to read more
16.5 mi · 1600 Old Country Rd,, Plainview,, NY 11803
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
Robert M. Hitscherich, MD, is a Board-Certified Gastroenterologist and Internal Medicine physician. He earned his Doctor of Medicine degree from Tufts University. He completed his internship at Cornell University and a three-year medical residency at New York Presbyterian Hospital. Dr. Hitscherich s...Click to read more
Next available: Wed, May 20

Dr. Herbert Pasternak, DO

Gastroenterologist
4.87
·68 reviews
Great experience. Doc was attentive and listened carefully to my concerns. - Oct 10, 2017 by Mike D.Click to read more
19.5 mi · 187 Veterans Blvd, Massapequa, NY 11758
Accepts Aetna, BlueCross BlueShield, Cigna + 32 more
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in irritable bowel syndrome (ibs) + 5 more ·
Read bio
Herbert Pasternak is a caring and attentive gastroenterologist serving the community of Massapequa, NY. Dr. Pasternak attended the New York Institute of Technology, New York College of Osteopathic Medicine, where he received his medical degree, and completed his fellowship in gastroenterology at the...Click to read more
Next available: Tue, Apr 14

Dr. Adam Beckerman, MD

Gastroenterologist
4.88
·123 reviews
Awesome. Always a pleasure to see doctor Beckerman. by TFClick to read more
19 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in acute gastrointestinal bleeding + 6 more ·
Read bio
Adam H. Beckerman MD is Board Certified in Gastroenterology and Internal Medicine. Dr. Beckerman received the George M. Jaffin Scholarly Activity Award and is an honored member of Top Gastroenterologists. Dr. Beckerman completed his internship and residency at North Shore University Hospital, Corne...Click to read more
Next available: Wed, Apr 15

Dr. Theodore Perlman, MD

Gastroenterologist
4.85
·100 reviews
I have no complaints about this office, Dr. Pearlman or the staff! - Nov 9, 2018 by Vanessa M.Click to read more
19 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in irritable bowel syndrome (ibs) + 3 more ·
Read bio
Theodore Perlman MD is a Board Certified Gastroenterologist and Internist. He is fluent in Hebrew, English and speaks conversational Hungarian. Dr. Perlman attended Semmelweis University School of Medicine in Hungary. Dr. Perlman completed both his residency and internship at Nassau University Medi...Click to read more
Next available: Wed, Apr 15

Dr. Andrea Sacknoff, MD

Gastroenterologist
4.45
·65 reviews
Everything went as expected! - Nov 6, 2024 by Natale D.Click to read more
16.5 mi · 200 W Carver St, Ste 1, Huntington, NY 11743
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in acid reflux + 1 more ·
Read bio
Andrea Sacknoff, MD, is Board Certified in Internal Medicine and Gastroenterology. She earned her Doctor of Medicine from New York Medical College. Dr. Sacknoff completed her internship and fellowship at Lenox Hill Hospital, where her fellowship included the world-renowned Inflammatory Bowel Disease...Click to read more
Next available: Wed, Jul 1

Dr. Paul Pervil, MD

Gastroenterologist
4.98
·60 reviews
Professional, knowledgeable and friendly staff. Over the years, I have always had faith in Dr. Pervil as a thorough and caring doctor, and will continue recommending him to all! - Mar 28, 2024 by Lorraine M.Click to read more
19.5 mi · 575 Underhill Blvd, Suite 200, Syosset, NY 11791
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait timeExpertise in acute stomach inflammation/infection + 5 more
Next available: Thu, Apr 16

Dr. Corina Serer, MD

Gastroenterologist
4.79
·149 reviews
it was very pleasant. the doctor was very nice friendly. - Mar 15, 2016Click to read more
19 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause + 6 more ·
Read bio
Corina Serer, MD, AGF, has been in practice since 2000. She earned her medical degree from Universitatea de Medicina ?i Farmacie Carol Davila Facultatea de Medicina. She completed her internship at Flushing Hospital Medical Center and her fellowship at New York Hospital Queens. Dr. Serer believes in...Click to read more
Next available: Mon, Apr 20

Dr. Jarred Marshak, MD

Gastroenterologist
4.88
·181 reviews
Welcoming and friendly staff. Dr Marshak was wonderful, easy to talk to - Feb 19, 2021Click to read more
21.5 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 55 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in colonoscopy + 7 more ·
Read bio
Skilled with the intricacies of gastroenterology, Dr. Jarred Marshak received his medical degree from the American University of the Caribbean School of Medicine. Subsequently, he completed a residency in internal medicine at Winthrop-University Hospital, followed by a fellowship in gastroenterology...Click to read more
Next available: Wed, Apr 22

Dr. Anthony Razzano, MD

Gastroenterologist
4.94
·198 reviews
Great office, great staff, great doctors! Very thorough and really helped me. Would recommend Dr Randzano - Aug 22, 2023 by Tanya C.Click to read more
21.5 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 55 more
Accepting new patients · Highly recommended · Excellent wait timeExpertise in colonoscopy + 4 more
Next available: Tue, Apr 21

Dr. Shirley Johnson, MD

Gastroenterologist
4.83
·447 reviews
Dr Johnson is a great listener; she really does make everything easier. - Feb 4, 2023 by Erik T.Click to read more
26.5 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: today

Dr. Christine Chen, DO

Gastroenterologist
4.81
·280 reviews
Very helpful, answered all questions. Awesome bedside manner. by EMClick to read more
26.5 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: today

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
26.5 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 16

Dr. Carly Barth, MD

Gastroenterologist
4.91
·391 reviews
Great visit. Felt comfortable. Everyone was nice. Everything very clean. - Feb 7, 2024Click to read more
21.5 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
Certified by the American Board of Internal Medicine, Dr. Carly Barth is a skilled gastroenterologist. Patients visit her at Long Island Gastroenterology Specialists, located in Wantagh, NY, where she treats the conditions related to the digestive system. Dr. Barth received her medical degree fro...Click to read more
Next available: Thu, Apr 30

Kimberly Riegel, NP

Nurse Practitioner (Gastroenterology)
4.96
·137 reviews
She was very thorough. Really listened to me & didnt feel rushed at all. by RPClick to read more
17.5 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: Mon, Apr 13

Dr. Jordan Rush, MD

Gastroenterologist
4.94
·271 reviews
Excellent physician with great bedside manners. Highly recommend this doctor! - May 31, 2022 by Adam G.Click to read more
21.5 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: Wed, May 6

Dr. Shailaja Antharam, MD

Internist
5.00
·1 review
- Mar 6, 2026 by Richard B.Click to read more
20.5 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: today

Dr. Tricia Narine, MD

Family Physician
4.86
·74 reviews
Dr. Narine is great, she listened to all of my concerns and reassured me. by KUClick to read more
17.5 mi · 1070 Old Country Rd, Plainview, NY 11803
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in acute urinary tract infection + 4 more ·
Read bio
Dr. Tricia Narine is a highly trusted family physician. She offers in-person services at Heart and Health Medical in Plainview, New York. As part of her formal education and training, Dr. Narine completed a medical degree at Albany Medical College and a residency in family medicine at Jamaica Hospi...Click to read more
Next available: Mon, Apr 13

Dr. 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
18 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: Thu, Apr 16

Avigail Itzkowitz, APRN, NP

Nurse Practitioner (Gastroenterology)
5.00
·18 reviews
The service was great. I was seen very fast and Avigail Itzkowitz was very professional. Some things arent easy to say out loud but she made it easy to explain what i was going through. I would recommend her and her office to anyone. - Jul 23, 2025 by Matthew D.Click to read more
19.5 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 14
Calendar Check
1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
10/10!!!! I woke up on Sunday with severe wisdom tooth pain. I was able to make an early appointment Monday morning...So so happy with my experience!
Lauren K
So easy to use and works EVERY time!! As a busy woman, I need to be able to schedule things quickly, and this makes that simple!! Thank you!!
Deborah P.
Zocdoc is the best. The NP, I believe, was very knowledgeable and very proficient. I totally recommend Zocdoc to my friends. Thank you, Zocdoc!
Michelle C
NPR
New York Times
Yahoo
Self
Verge
Wall Street Journal
Frequently asked questions

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

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

How can I find a Long Island Gastroenterologist who takes my insurance?

Zocdoc lets you search specifically for a Long Island 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 Long Island?

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

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

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

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

How can I find a top-rated Gastroenterologist in Long Island?

You can use Zocdoc to find Gastroenterologists in Long Island 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 Long Island?

Gastroenterologists in Long Island 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 Long Island 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 Long Island 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 Long Island who sees patients during the weekend?

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

Find doctors

        Zocdoc›Gastroenterologists›Long Island, NY