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315 verified Gastroenterologists in Riverhead, NY
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
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Availability last updated 04/09/2026
Availability last updated 04/09/2026

Dr. Nilesh Mehta, MD

Gastroenterologist
4.76
·335 reviews
Caring and thorough doctor. I’m glad I made this appointment. - Nov 28, 2018 by Scott S.Click to read more
1.5 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: today

Dr. Preeti Mehta, MD

Gastroenterologist
4.84
·1694 reviews
Dr. Mehta is such a great doctor with wonderful bedside manners. She is thorough and very knowledgeable! - Feb 11, 2019 by Antonia P.Click to read more
1.5 mi · 800 Old Country Rd, Riverhead, NY 11901
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended · Expertise in stomach and duodenal inflammation + 8 more ·
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: Mon, Apr 13

Dr. Mejdi Ahmad, MD

Gastroenterologist
4.81
·37 reviews
everything was perfecto!! - Feb 14, 2025 by Daniel P.Click to read more
1.5 mi · 750 Old Country Rd, Bldg 2, Riverhead, NY 11901
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
Mejdi Ahmad, MD received his undergraduate degree from Brooklyn College, and graduated magna cum laude with a Bachelor of Science degree in biology. He then obtained his medical degree from SUNY Health Science Center at Brooklyn and completed his internal medicine residency at North Shore University...Click to read more
Next available: Tue, Apr 14

Dr. Mark Coronel, MD

Gastroenterologist
4.80
·254 reviews
I was very satisfied with my visit and I would see Dr. Coronell again - May 23, 2023 by Vita G.Click to read more
0.5 mi · 715 Roanoke Ave, Bldg B, Riverhead, NY 11901
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Also offers video visits · Accepting new patients · 21 years of experience · Excellent wait time · Expertise in colonoscopy + 11 more ·
Read bio
**DR. CORONEL TREATS PATIENTS 16 YEARS OLD AND UP.** Dr. Coronel graduated magna cum laude from Yeshiva University with a BA degree in biology. He earned his Doctor of Medicine from Albert Einstein College of Medicine of Yeshiva University in Bronx, NY. He completed his internship and residency t...Click to read more
Next available: Thu, Apr 30

Kimberly Riegel, NP

Nurse Practitioner (Gastroenterology)
4.96
·136 reviews
My visit was amazing. Kim answered all my questions. I felt very comfortable with her. by RRClick to read more
10 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: tomorrow

Dr. Asad Butt, MD

Family Physician
4.62
·561 reviews
Dr. Butt was very professional and listened to all of my concerns. Would highly recommend to friends and family. - Jan 25, 2025 by William T.Click to read more
18 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: today

Dr. Andrew Blank, MD

Gastroenterologist
4.84
·708 reviews
Dr Blank is always professional and patient. I would definitely recommend him. - Sep 22, 2014Click to read more
22.5 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: Mon, Apr 13

Dr. Syeda Hossain, MD

Gastroenterologist
4.86
·258 reviews
Doctor is very knowledgeable and listened to my needs - Jun 12, 2023 by Jacqueline Q.Click to read more
22.5 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: Mon, Apr 13

Dr. Derek Gindi, MD

Gastroenterologist
22 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. Seth Persky, MD

Gastroenterologist
4.84
·32 reviews
- Oct 15, 2025 by Devin M.Click to read more
22 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

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
22 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. Christopher Tomaino, MD

Gastroenterologist
4.78
·64 reviews
Always a pleasure with Dr. Tomaino. He is warm, friendly, professional and thoroughClick to read more
21 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
- Nov 12, 2025 by William B.Click to read more
22 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

Dr. Nathaniel Crow, MD

Primary Care Doctor
4.77
·71 reviews
Zoc doc labeled this doctor incorrectly ! This dr is a primary Dr. not a gastroenterologist. - Feb 20, 2026 by Laura B.Click to read more
18.5 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: Tue, Apr 14

Dr. Mikhail Grzhibek, MD

Primary Care Doctor
4.76
·33 reviews
Always feel better after my visits even when the isn't what I want to hear. by VTClick to read more
19 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

Osvaldo Moreira-Gonzalez, PA

Physician Assistant
5.00
·5 reviews
Very professional, excellent provider and very thorough. by KGClick to read more
20.5 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

Jenna Sonnenberg, RN, NP

Nurse Practitioner (Gastroenterology)
4.97
·30 reviews
- Jan 25, 2026 by Ashley J.Click to read more
22 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: tomorrow

Christina Zuckerman, PA-C

Physician Assistant
23.5 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 20

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
40.5 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: today

Dr. Mark Nyitray, DO

Gastroenterologist
5.00
·12 reviews
Satisfied with my visit by BMClick to read more
40.5 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: tomorrow

Dr. Rohan Bhojwani, MD, MBA

Primary Care Doctor
4.73
·467 reviews
Amazing staff.. the office was well kept and the doctor was patient and tentative. - Sep 11, 2024 by Joel R.Click to read more
34.5 mi · 10 Progress Dr, Ste 2i, Shelton, CT 06484
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Accepting new patients · Excellent wait time · Expertise in sepsis ·
Read bio
Dr. Rohan Bhojwani is a dedicated physician committed to providing exceptional care to his patients. Graduating with his MD in 2013, Dr. Bhojwani went on to specialize in Internal Medicine through Cleveland Clinic, Fairview. His passion for continuous learning led him to pursue an MBA from Johns Hop...Click to read more
Next available: tomorrow

Dr. Alan Sandberg, MD

Gastroenterologist
4.91
·573 reviews
Dr Sandberg and his staff are very friendly and efficient. - Nov 9, 2021 by Jamie K.Click to read more
40.5 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

Dr. Ilya Badalov, MD

Gastroenterologist
4.64
·132 reviews
Very good experience. I recommend these doctor to my friends - Jun 18, 2023 by Mikhael M.Click to read more
40.5 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. Soren Gandhi, MD

Gastroenterologist
4.76
·67 reviews
First time at Dr Gandhi’s office. He seems proffesional.Office was very clean,staff friendly,overal 10 stars from me. - Aug 13, 2025 by Elda T.Click to read more
45 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. Andrea Sacknoff, MD

Gastroenterologist
4.45
·65 reviews
Everything went as expected! - Nov 6, 2024 by Natale D.Click to read more
40.5 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. Robert Hitscherich, MD

Gastroenterologist
4.96
·54 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
42.5 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. Paul Pervil, MD

Gastroenterologist
4.98
·60 reviews
Dr. Pervil was great and had great bedside manners. I would recommend him to everyone!!! - Jul 8, 2025 by Laura P.Click to read more
45 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: Tue, Apr 14

Dr. Adam Beckerman, MD

Gastroenterologist
4.88
·123 reviews
Very detailed, took his time and good sense of humor. I was very happy. by Martha V.Click to read more
45.5 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: Mon, Apr 13

Dr. Theodore Perlman, MD

Gastroenterologist
4.85
·100 reviews
The Doctor is a very nice person, understanding, good mood. The staff also is very good, highly respectful - Jun 20, 2025 by Marie V.Click to read more
45.5 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, Apr 14

Dr. Corina Serer, MD

Gastroenterologist
4.79
·149 reviews
Her staff was amazing- they made me feel very comfortable. Dr Serer is sweet, knowledgeable, and thorough. - May 23, 2018 by Michelle T.Click to read more
45.5 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 ?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. Frederick Rozenshteyn, MD

Gastroenterologist
44 mi · 195 Danbury Rd, Wilton, CT 06897
Accepting new patients ·
Read bio
Dr. Rozenshteyn grew up in northern New Jersey before moving to the Boston area for college at Brandeis University, followed by medical school at Tufts University School of Medicine. After medical school, he moved to New York City to complete his internal medicine training at Mount Sinai Beth Israel...Click to read more
Next available: Wed, Jun 3

Dr. Herbert Pasternak, DO

Gastroenterologist
4.87
·68 reviews
He is a wonderful doctor very professional and caring. He takes his time with you and explains everything in detail. - Mar 5, 2017 by Cynthia C.Click to read more
45.5 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: Fri, Apr 24

Dr. Tricia Narine, MD

Family Physician
4.86
·74 reviews
Amazing doctor! She is very thorough with her evaluation of your symptoms and also takes into consideration all factors before finalizing treatment plan. She also ensures all patients feels comfortable and welcome. Would highly recommend!! by JKClick to read more
43.5 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: today

Dr. Christine Chen, DO

Gastroenterologist
4.81
·280 reviews
Very helpful, answered all questions. Awesome bedside manner. by EMClick to read more
52.5 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. Jarred Marshak, MD

Gastroenterologist
4.88
·181 reviews
Great listener, didn't feel rushed, I was seen in about 15 minutes. The staff were all very friendlyClick to read more
47.5 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: Mon, Apr 20

Dr. Anthony Razzano, MD

Gastroenterologist
4.94
·198 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
47.5 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. Shailaja Antharam, MD

Internist
5.00
·1 review
- Mar 6, 2026 by Richard B.Click to read more
46.5 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. Carly Barth, MD

Gastroenterologist
4.91
·391 reviews
Office was so friendly, Doctor was great and made me feel heard and not rushed at all. - Apr 11, 2022 by Alison C.Click to read more
47.5 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

Dr. Jordan Rush, MD

Gastroenterologist
4.94
·271 reviews
Dr Rush was very friendly, knowledgable and made the entire experience comfortable. - Oct 22, 2014Click to read more
47.5 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. 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
44 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 ·
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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
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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!
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Frequently asked questions

How can I check if my gastroenterologist accepts my insurance?

Zocdoc makes it easy to find a gastroenterologist in Riverhead, NY who accepts your insurance. Simply select your carrier and plan from the drop-down menu at the top of the page. If you’re unsure about the plan name, here's a handy guide to help navigate.

How do patients rate their experience with booking gastroenterologists in Riverhead, NY on Zocdoc?

On Zocdoc, gastroenterologists in Riverhead, NY have an average rating of 4.89 based on approximately 185 reviews. In Riverhead, NY you can find 17 gastroenterologists with 4-stars or higher. Zocdoc collects reviews from real patients after each appointment, ensuring authentic feedback. Only patients who have booked and attended appointments may post reviews, providing trustworthy and reliable insights into patient experiences.

Can I book a video visit with a gastroenterologist?

Yes, you can book a video visit with a gastroenterologist. There are currently no locations that offer video visits in this city. When a provider offers video visits, you will see a small video camera icon next to their profile image. Select a date and time from their available appointment slots and go through the booking process.

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        Zocdoc›Gastroenterologists›Long Island, NY›Riverhead, NY