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
Browse doctors
Browse practices
Browse hospitals
Browse insurances
Browse locations
Browse conditions
Browse procedures
Browse treatments
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 Commack, 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 08/20/2026
Availability last updated 08/20/2026

Dr. Taeyang Park, MD

Gastroenterologist
5.00
·10 reviews
What an amazing practice Dr. Park he is kind & through I really felt like my health is in good hands. Definitely recommend. by PPClick to read more
7.5 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Taeyang Park, MD, is a skilled gastroenterologist at Digestive Disease Care. He provides comprehensive care, specializing in diagnostic and therapeutic endoscopic procedures to manage various digestive conditions.Click to read more
Next available: today

Dr. Preeti Mehta, MD

Gastroenterologist
4.83
·1711 reviews
Very concerned and caring doctor. Very friendly and best doctor. Explain everything. - May 25, 2019 by Rachel S.Click to read more
7.5 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
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: today

Dr. Alan Schuller, MD

Gastroenterologist
4.87
·107 reviews
Seemed very friendly and professional w/a good office staff. I’d recommend. - May 27, 2026 by Timothy M.Click to read more
7.5 mi · 200 W Carver St, Ste 1, Huntington, NY 11743
Accepts Aetna, Cigna, UnitedHealthcare + 17 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: today

Dr. Mark Nyitray, DO

Gastroenterologist
4.89
·38 reviews
Very good. The place is nice and clean staff are very good. by YHClick to read more
7.5 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
Accepts Aetna, BlueCross BlueShield, Cigna + 8 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: tomorrow

Dr. Syeda Hossain, MD

Gastroenterologist
4.86
·263 reviews
Great experience overall, would strongly recommend this providerClick to read more
11.5 mi · 235 N Belle Mead Rd, East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · 21 years of experience · Highly recommended · Excellent wait time · 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: today

Dr. Andrew Blank, MD

Gastroenterologist
4.84
·715 reviews
Thoughtful and a good listener, who was very knowledgeable. - Oct 17, 2013 by Andrea B.Click to read more
11.5 mi · 235 N Belle Mead Rd, East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait timeExpertise in acute hemorrhoids + 5 more
Next available: today

Dr. Seth Persky, MD

Gastroenterologist
4.84
·32 reviews
6 mi · 3001 Express Drive North, Suite 102, Islandia, NY 11749
Accepts Aetna, BlueCross BlueShield, Cigna + 309 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, Sep 15

Dr. H Cohn, MD

Gastroenterologist
4.94
·36 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 mi · 3001 Express Drive North, Suite 102, Islandia, NY 11749
Accepts Aetna, BlueCross BlueShield, Cigna + 309 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, Sep 22

Dr. Derek Gindi, MD

Gastroenterologist
5.00
·2 reviews
Great experience. From the front desk, MA/Nurse, and Dr. Gindi. Everyone was friendly and welcoming, and Dr. Gindi’s bedside manner was incredible. He took his time to answer all questions and be great feedback. - Jul 22, 2026 by Frank P.Click to read more
6 mi · 3001 Express Drive North, Suite 102, Islandia, NY 11749
Accepts Aetna, BlueCross BlueShield, Cigna + 309 more
Accepting new patients · Highly recommended · Excellent wait time ·
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: Mon, Oct 26

Dr. Ilya Badalov, MD

Gastroenterologist
4.64
·133 reviews
The whole team that dealt with my situation was helpful, concerned and dedicated I’m grateful - Oct 5, 2022 by Reechelle R.Click to read more
7.5 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · 25+ years of experience · Expertise in colonoscopy + 1 more
Next available: Wed, Sep 9

Dr. Mejdi Ahmad, MD

Gastroenterologist
4.84
·44 reviews
everything was perfecto!! - Feb 14, 2025 by Daniel P.Click to read more
11.5 mi · 235 N Belle Mead Rd, East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 8 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. Timothy Wong, MD

Gastroenterologist
4.73
·134 reviews
One of the best Gastrologist in town and very smart and helpful at what he does! - May 17, 2016 by Jeremiah S.Click to read more
11.5 mi · 175 Jericho Tpke suite 200, Syosset, NY 11791
Accepts Aetna, BlueCross BlueShield, Cigna + 2 more
Accepting new patients · Expertise in chronic indigestion without clear cause + 1 more ·
Read bio
*Please be aware that we have a 24-hour cancellation policy.* Dr. Wong is board certified in Internal Medicine and Gastroenterology. He earned his Doctor of Medicine from the State University of New York, Downstate Medical Center. He completed his internship and residency in Internal Medicine at Be...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
7.5 mi · 200 W Carver St, Ste 1, Huntington, NY 11743
Accepts Aetna, Cigna, UnitedHealthcare + 18 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, Nov 4

Dr. Soren Gandhi, MD

Gastroenterologist
4.73
·75 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
11.5 mi · 575 Underhill Blvd, Suite 200, Syosset, NY 11791
Accepts Aetna, Cigna, UnitedHealthcare + 17 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, Aug 24

Dr. Robert Hitscherich, MD

Gastroenterologist
4.96
·57 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
9 mi · 1600 Old Country Rd,, Plainview,, NY 11803
Accepts Aetna, Cigna, UnitedHealthcare + 18 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, Sep 23

Dr. William Cohn, MD

Gastroenterologist
4.94
·33 reviews
11.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 309 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, Aug 26

Dr. Paul Pervil, MD

Gastroenterologist
4.98
·62 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
11.5 mi · 575 Underhill Blvd, Suite 200, Syosset, NY 11791
Accepts Aetna, Cigna, UnitedHealthcare + 17 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait timeExpertise in acute stomach inflammation/infection + 5 more
Next available: Thu, Aug 27

Dr. Adam Beckerman, MD

Gastroenterologist
4.88
·128 reviews
Awesome doctor! Made me feel very comfortable and answered all my questions. - Jun 10, 2020 by Susan D.Click to read more
14.5 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
Accepts Aetna, Cigna, UnitedHealthcare + 18 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: today

Dr. Corina Serer, MD

Gastroenterologist
4.79
·152 reviews
Very friendly and professional environment. Explained things clearly. - Dec 4, 2024 by Norman R.Click to read more
14.5 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
Accepts Aetna, Cigna, UnitedHealthcare + 18 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: Mon, Aug 24

Dr. Theodore Perlman, MD

Gastroenterologist
4.86
·104 reviews
Great doctor!! - Jan 16, 2020Click to read more
14.5 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
Accepts Aetna, Cigna, UnitedHealthcare + 18 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, Aug 25

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
12 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: today

Dr. Tricia Narine, MD

Family Physician
4.71
·84 reviews
Great experience! - Nov 23, 2024 by Alison S.Click to read more
10.5 mi · 1070 Old Country Rd, Plainview, NY 11803
Accepts Aetna, BlueCross BlueShield, Cigna + 19 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: today

Dimitri Ghecas, PA-C

Physician Assistant
5.00
·27 reviews
The doctor validated my experiences it was so great - Oct 14, 2024 by Taylor W.Click to read more
10.5 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: tomorrow

Dr. Christine Chen, DO

Gastroenterologist
4.82
·301 reviews
Dr. Chen was very patient and listened to all my concerns. by MRClick to read more
19.5 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. Anthony Razzano, MD

Gastroenterologist
4.95
·209 reviews
Amazing doctor and office. From the greeter out front to the staff and Doc. 10/10. - May 23, 2025 by Louis S.Click to read more
16.5 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 + 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, Aug 24

Dr. Christopher Tomaino, MD

Gastroenterologist
4.81
·72 reviews
Very friendly staff. Dr was very attentive and listened to my concerns. - Jul 31, 2025 by Margaret G.Click to read more
15.5 mi · 153 N Ocean Ave, Patchogue, NY 11772
Accepts Aetna, BlueCross BlueShield, Cigna + 37 more
Accepting new patients · Highly recommended · Excellent wait time · 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, Sep 2

Dr. Shirley Johnson, MD

Gastroenterologist
4.83
·460 reviews
I am so glad to have chosen Dr Shirley. Absolutely great vusit. I highly reccomend. Everyone was great - Mar 13, 2021 by Walletta E.Click to read more
19.5 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. Asad Butt, MD

Internist
4.63
·721 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
15.5 mi · 369 Middle Country Rd, Coram, NY 11727
Accepts Aetna, BlueCross BlueShield, Cigna + 358 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: today

Dr. Raymond Diaz, MD

Gastroenterologist
4.60
·10 reviews
The staff throughout the entire office were extremely friendly. The Dr. Diaz listened to all of my concerns and immediately set me up with follow-up testing and another referral. He was very understanding and knowledgable and I would highly recommend him. - Jan 26, 2025Click to read more
21.5 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. Jarred Marshak, MD

Gastroenterologist
4.88
·186 reviews
When I came in and by my fold 24 early they make sure that I was taking care of right away - Jan 14, 2026 by Adriena M.Click to read more
16.5 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: Tue, Sep 8

Dr. Haseeb Ahmed, MD

Gastroenterologist
4.89
·114 reviews
It was amazing, he even sent me to the surgeon on the same day to ensure that I receive the necessary treatment in the most efficient manner. I received the best service for my medical situation. - Apr 10, 2024Click to read more
22 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
Accepts Aetna, Cigna, UnitedHealthcare + 18 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: today

Dr. David Berger, MD

Gastroenterologist
4.98
·62 reviews
He was very attentive and addressed all of my concerns. - Dec 5, 2018Click to read more
22 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
Accepts Aetna, Cigna, UnitedHealthcare + 17 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: today

Dr. Robert Herman, MD

Gastroenterologist
5.00
·10 reviews
Dr Herman is terrific in all respectsClick to read more
22 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

Dr. Jordan Rush, MD

Gastroenterologist
4.94
·274 reviews
Excellent staff and doctor will listen to your concerns explain things in a manner that’s easy to absorb. - Aug 4, 2021Click to read more
16.5 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, Sep 17

Dr. Carly Barth, MD

Gastroenterologist
4.91
·402 reviews
All the people in the office were so polite and the Dr. Carly Barth was excellent easy to talk with. I highly recommend.Click to read more
16.5 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: Mon, Sep 28

Jenna Sonnenberg, RN, NP

Nurse Practitioner (Gastroenterology)
4.97
·33 reviews
Excelente atención would definitely recommend - Apr 17, 2026 by Glenda R.Click to read more
11.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 309 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, Sep 4

Dr. Harold Lipsky, MD

Gastroenterologist
4.72
·107 reviews
Very nice doctor. Great diagnostics great personality by MDClick to read more
23.5 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. Frederick Rozenshteyn, MD

Gastroenterologist
4.00
·1 review
20 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, Aug 24

Dr. Anthony Celifarco, MD

Gastroenterologist
4.96
·26 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
22 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: today

Dr. Andrew Marshall, MD

Gastroenterologist
4.72
·123 reviews
Dr was clear and concise very professional and honest. I appreciated the doctor and his staff. - Sep 3, 2025 by carlos P.Click to read more
24.5 mi · 1800 Rockaway Ave, Ste 201, Hewlett, NY 11557
Accepts Aetna, Cigna, UnitedHealthcare + 17 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: today
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
wish I would have found this dentist sooner highly recommend. Thanks Zocdoc
Stefan M
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
Zocdoc saves me so much time I used to spend calling around to find a place that takes my insurance or finding openings with doctors on the list provided by my insurance!
Stephanie W.
National Public Radio
New York Times
Yahoo
Self.com
Verge
Wall Street Journal
Frequently asked questions

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

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

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

Zocdoc lets you search specifically for a Commack 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 Commack?

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

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

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

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

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

You can use Zocdoc to find Gastroenterologists in Commack 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 Commack?

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

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

Find doctors

        Zocdoc›Gastroenterologists›Long Island, NY›Commack, NY