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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 05/12/2026
Availability last updated 05/12/2026

Dr. Mejdi Ahmad, MD

Gastroenterologist
4.82
·39 reviews
They were all very nice and office hours on a Saturday and colonoscopy too!!!! - May 19, 2025 by Cathy Sue E.Click to read more
6.5 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: tomorrow

Dr. Syeda Hossain, MD

Gastroenterologist
4.86
·260 reviews
She was really down to earth and answered all my questions. - Jun 26, 2023 by Emily B.Click to read more
6.5 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: tomorrow

Dr. Andrew Blank, MD

Gastroenterologist
4.84
·709 reviews
He was clear, personable and caring. I would definitely recommend him. - Jul 29, 2015 by Anna R.Click to read more
6.5 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: Thu, May 14

Dr. H Cohn, MD

Gastroenterologist
4.94
·34 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
6.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 453 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, May 19

Dr. Derek Gindi, MD

Gastroenterologist
6.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 453 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, May 20

Dr. Alan Sandberg, MD

Gastroenterologist
4.91
·575 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
12 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, May 19

Dr. Seth Persky, MD

Gastroenterologist
4.84
·32 reviews
- Nov 2, 2025 by Vrona S.Click to read more
6.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 453 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, Jun 23

Dr. William Cohn, MD

Gastroenterologist
4.94
·33 reviews
- Nov 12, 2025 by William B.Click to read more
6.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 453 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, Jun 24

Dr. Alan Schuller, MD

Gastroenterologist
4.86
·103 reviews
The office space is large and complicated but the visit is top notch. Note: he is in suite #8. He was patient, attentive and pleasant. He asked all necessary questions and proceeded with steps to ensure my health concerns are met. He staff are warm and friendly. Highly recommended. He is thorough. -...Click to read more
12 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: tomorrow

Dr. Preeti Mehta, MD

Gastroenterologist
4.83
·1699 reviews
She was very professional and answered all my questions. - Jan 5, 2019 by Ann Q.Click to read more
12 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, May 14

Jenna Sonnenberg, RN, NP

Nurse Practitioner (Gastroenterology)
4.97
·32 reviews
Excelente atención would definitely recommend - Apr 17, 2026 by Glenda R.Click to read more
6.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 453 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, May 15

Dr. Christopher Tomaino, MD

Gastroenterologist
4.79
·66 reviews
Very professional and friendly. Made me feel comfortable. I would recommend them 100% - May 12, 2025 by Joseph C.Click to read more
11.5 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. Mark Nyitray, DO

Gastroenterologist
5.00
·13 reviews
Very focused to what he is doing. Great bedside manner. by KHClick to read more
12 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: Fri, May 29

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
12 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, Jun 17

Dr. Asad Butt, MD

Internist
4.62
·614 reviews
Excellent experience,very nice and friendly staff .Dr. Asad listened to me very attentively and responded to all my concerns.Click to read more
10.5 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. Andrea Sacknoff, MD

Gastroenterologist
4.45
·65 reviews
Everything went as expected! - Nov 6, 2024 by Natale D.Click to read more
12 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 8

Dr. Paul Pervil, MD

Gastroenterologist
4.98
·60 reviews
Great experience with this Doctor Pervil and office staff. He's thorough and a good listener. - Dec 29, 2025 by Helene L.Click to read more
16.5 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, May 14

Dr. Robert Hitscherich, MD

Gastroenterologist
4.96
·55 reviews
Dr H is friendly and thorough. He took time to listen and I didn’t feel like he was rushing out to the next patient. I would highly recommend him - Jan 11, 2024Click to read more
14 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, Jun 10

Dr. Nathaniel Crow, MD

Primary Care Doctor
4.78
·73 reviews
Friendly Staff! Clean facility with great nurses and Dr. Crow with his old style doctor approach and care is truly amazing - Apr 23, 2026 by James L.Click to read more
11.5 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: tomorrow

Dr. Soren Gandhi, MD

Gastroenterologist
4.76
·68 reviews
Dr. Ghandi was very professional and thorough. I’m very glad I made this appointment. Thank you - Oct 13, 2025 by Lauren B.Click to read more
16.5 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: Mon, May 18

Dr. Mikhail Grzhibek, MD

Primary Care Doctor
4.76
·34 reviews
Informative and very good. by MVClick to read more
13 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: tomorrow

Dr. Corina Serer, MD

Gastroenterologist
4.79
·149 reviews
Dr. Serer is great! She is extremely thorough and very sweet. I look forward to seeing her again. - Oct 3, 2018 by Stephanie S.Click to read more
18.5 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 și 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: tomorrow

Dr. Tricia Narine, MD

Family Physician
4.87
·76 reviews
Dr. Narine has such great bedside manners, listens to all concerns and addresses them. Very sweet and caring. by PQClick to read more
15 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: Thu, May 14

Dimitri Ghecas, PA-C

Physician Assistant
5.00
·27 reviews
Dr was great, he explains everything to the point and gabe me the good and the bad. Advice what should be done if and when needed. Great doctor - Sep 5, 2024 by Laura D.Click to read more
15 mi · 1070 Old Country Rd, Plainview, NY 11803
Accepting new patients · Highly recommended · Excellent wait time · Expertise in acute sinusitis + 7 more ·
Read bio
Dimitri Ghecas is a Primary Care and Family Medicine specialist located in Plainview, NY. He joined Heart and Health Medical of Plainview in March 2026. Dimitri has been practicing primary care since 1997 and has a diverse educational background, having completed his Physician Assistant training a...Click to read more
Next available: Fri, May 15

Osvaldo Moreira-Gonzalez, PA

Physician Assistant
5.00
·5 reviews
Very professional, excellent provider and very thorough. by KGClick to read more
12 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, May 18

Dr. Adam Beckerman, MD

Gastroenterologist
4.88
·125 reviews
I am pleased to announce that after my first visit this afternoon I took one dose of the recommended medication and feel a little better. I look forward to my return visit in two weeks. by Kevin K.Click to read more
18.5 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: Thu, May 21

Dr. Theodore Perlman, MD

Gastroenterologist
4.85
·101 reviews
It was great! Dr. Perlman was very kind & had a great bedside manner. He makes you feel relaxed & calm. - Nov 26, 2018 by Jeannine F.Click to read more
18.5 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: Tue, May 26

Dr. Anthony Razzano, MD

Gastroenterologist
4.94
·199 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 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 + 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, May 18

Dr. Jarred Marshak, MD

Gastroenterologist
4.88
·183 reviews
Very kind and helpful as I was extremely nervous. Feel comfortable continuing my treatment with him.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 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: Wed, May 20

Dr. Jordan Rush, MD

Gastroenterologist
4.94
·272 reviews
The office was extremely clean, he was very patient & listened to all my concerns - Jan 14, 2014Click to read more
21 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 55 more
Accepting new patients · 17 years of experience · Highly recommended · Excellent wait time · Expertise in acute stomach inflammation/infection + 5 more ·
Read bio
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, May 21

Ruby Ezra, NP

Adult Nurse Practitioner
3.94
·116 reviews
Good - Dec 1, 2025 by Javier R.Click to read more
10.5 mi · 369 Middle Country Rd, Coram, NY 11727
Accepts Aetna, BlueCross BlueShield, Cigna + 372 more
Also offers video visits · Accepting new patients · Expertise in parkinson's disease + 9 more ·
Read bio
Ms. Ruby Ezra is a dedicated and empathetic adult nurse practitioner. She currently offers her services at Highland Valley Medical Care. Fluent in English and Hindi, she effectively communicates with patients from diverse communities and backgrounds in the Coram, NY, area. Ms. Ezra's extensive edu...Click to read more

Dr. Mark Coronel, MD

Gastroenterologist
4.80
·258 reviews
Very thorough and nice , spoke his concerns and made a plan - Sep 25, 2017 by Elizabeth D.Click to read more
20.5 mi · 287 Wading River Rd, Unit 2, Manorville, NY 11949
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Also offers video visits · Accepting new patients · 21 years of experience · Excellent wait time · Expertise in colonoscopy + 11 more ·
Read bio
**DR. CORONEL TREATS PATIENTS 16 YEARS OLD AND UP.** Dr. Coronel graduated magna cum laude from Yeshiva University with a BA degree in biology. He earned his Doctor of Medicine from Albert Einstein College of Medicine of Yeshiva University in Bronx, NY. He completed his internship and residency t...Click to read more
Next available: Mon, Jun 1

Dr. Carly Barth, MD

Gastroenterologist
4.91
·394 reviews
The staff was very friendly and helpful. When I meet the Dr. I just felt very uncomfortable.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 1

Dr. Jacqueline Forman, MD

Gastroenterologist
4.80
·80 reviews
Dr. Foreman was very nice and I was very comfortable with her. She seems to know her stuff. I was very pleased that I found her through ZocDoc and was able to make an appointment for the next day - Aug 5, 2025Click to read more
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: tomorrow

Dr. Christine Chen, DO

Gastroenterologist
4.82
·282 reviews
It was my first time seeing the doctor at this place. The stuff, nurses and the doctor were very welcoming and helpful. - Jan 26, 2024 by Jinjutha H.Click to read more
24 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in colonoscopy ·
Read bio
Dr. Christine Chen received her medical degree from Rowan University School of Osteopathic Medicine. During medical school, she was recognized for her compassionate patient care and was inducted into the Gold Humanism Honor Society. Dr. Chen then completed her internship and residency in internal me...Click to read more
Next available: Thu, May 14

Dr. Robert Herman, MD

Gastroenterologist
5.00
·9 reviews
Dr Herman is terrific in all respectsClick 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: Thu, May 14

Dr. Anthony Celifarco, MD

Gastroenterologist
5.00
·20 reviews
It was such an amazing and pleasant experience. Dr. Celifarco is such a compassionate and empathetic doctor. I will highly recommend him. Thanks so much too to all the staff who were so helpful and accommodating. - Aug 3, 2025 by Rizelle V.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: Thu, May 14

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: Wed, May 20

Dr. Shailaja Antharam, MD

Internist
5.00
·2 reviews
18.5 mi · 232 W Old Country Rd, Ste B, Hicksville, NY 11801
Accepts Aetna, Cigna, Emblem Health + 17 more
Accepting new patients · Highly recommended · Excellent wait time ·
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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: Fri, May 15

Dr. Shirley Johnson, MD

Gastroenterologist
4.83
·452 reviews
Dr Johnson was a good listener and a pleasure to work with. - Nov 2, 2021 by Roma S.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 ·
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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: Mon, May 18
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
I had resisted counseling for a long time...I could not find anyone who had room for me...Enter Zocdoc...I am so grateful.
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Zocdoc is the best. The NP, I believe, was very knowledgeable and very proficient. I totally recommend Zocdoc to my friends. Thank you, Zocdoc!
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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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