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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 05/01/2026
Availability last updated 05/01/2026

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. Jarred Marshak, MD

Gastroenterologist
4.88
·183 reviews
Dr. Marshak had great bedside manner and listened to all of your concerns. - May 21, 2024 by Abigail O.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: Fri, May 15

Dr. Jordan Rush, MD

Gastroenterologist
4.94
·271 reviews
Very kind and explained everything to me. Nice office staff as well - Nov 7, 2017 by Karen S.Click 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: Wed, May 20

Dr. Carly Barth, MD

Gastroenterologist
4.91
·393 reviews
Great visit. Felt comfortable. Everyone was nice. Everything very clean. - Feb 7, 2024Click 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: Thu, May 21

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 + 15 more
Accepting new patients · 25+ years of experience · Expertise in chronic high blood pressure + 9 more ·
Read bio
Dr. Ronald Fagan is an internist at his private practice in Farmingdale, NY. He is also a visiting affiliate at Long Island Jewish Medical Center and Cook County North Shore Hospital. He welcomes adult patients 18 and above with common illnesses, chronic diseases, mental health issues, and minor inj...Click to read more
Next available: Fri, May 8

Dr. Shirley Johnson, MD

Gastroenterologist
4.83
·451 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 ·
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: Mon, May 4

Dr. John Lee, MD

Gastroenterologist
4.33
·21 reviews
28 mi · 450 Northern Boulevard, Great Neck, NY 11021
Accepts Cigna, Emblem Health, Medicare + 2 more
Accepting new patients · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) + 5 more ·
Read bio
I have practiced gastroenterology for over 25 years. My interest in gastrointestinal (GI) medicine began while completing an internal medicine residency at Washington University School of Medicine. During that time, I was exposed to and fascinated by endoscopy, which uses fiber optics to visualize h...Click to read more

Dr. Christine Chen, DO

Gastroenterologist
4.82
·282 reviews
Dr chen cares! She goes over and above and i am very grateful! - Jul 12, 2024 by Barbara R.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: Mon, May 11

Dr. Donald Palmadessa, MD

Gastroenterologist
4.95
·39 reviews
He explained himself thoroughly,and also was a good listener. - Jan 14, 2026 by Marietta M.Click to read more
29 mi · 241-02 Northern Blvd, 1st Fl, Douglaston, NY 11362
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 7 more ·
Read bio
Dr. Donald Palmadessa is a highly regarded gastroenterologist. He practices at Northwell Health Gastroenterology- Central in Douglaston, NY. He also visits Long Island Jewish Medical Center and North Shore University Hospital as an affiliate. Dr. Palmadessa earned his medical degree and residency i...Click to read more
Next available: Mon, May 4

Dr. Frederick Rozenshteyn, MD

Gastroenterologist
22.5 mi · 32 Strawberry Hill Court 4th Floor, Suite 6, Stamford, CT 06902
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: Mon, Jul 6

Dr. Jamil Alexis, MD

Gastroenterologist
22.5 mi · 32 Strawberry Hill Court 4th Floor, Suite 6, Stamford, CT 06902
Accepting new patients ·
Read bio
Dr. Jamil Alexis is a gastroenterologist who diagnoses and treats a wide range of disorders affecting the stomach, small intestine, colon, pancreas, liver, and gallbladder. He has a particular interest in conditions such as gastroesophageal reflux disease (GERD), eosinophilic esophagitis (EoE), infl...Click to read more
Next available: Mon, Jul 6

Dr. Joshua Berkowitz, MD

Gastroenterologist
4.85
·447 reviews
I found Dr Berkowitz to be very nice & good listener also ask me if I had any questions only first visit would recommend - Oct 16, 2023 by Doreen M.Click to read more
27 mi · 444 Community Dr, Ste 302, Manhasset, NY 11030
Accepts Aetna, BlueCross BlueShield, Cigna + 49 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) ·
Read bio
Dr. Joshua Berkowitz is a board-certified gastroenterology physician. He obtained his medical degree from the Icahn School of Medicine at Mount Sinai. He completed a residency in internal medicine, and a fellowship in gastroenterology at Northwell Health in Manhasset, New York, where he served as ch...Click to read more
Next available: Mon, May 4

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
26.5 mi · 1991 Marcus Ave, Ste M200, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Expertise in colonoscopy + 1 more
Next available: Tue, May 5

Dr. Jacqueline Forman, MD

Gastroenterologist
4.83
·78 reviews
Dr. Forman was amazing. She was very communicative and explained everything thoroughly. She made me feel very relaxed. The space was clean and the staff were friendly and helpful. - Apr 23, 2025 by Angela T.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 · 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: Mon, May 4

Dr. David E Milkes, MD

Gastroenterologist (Virtual)
4.90
·58 reviews
Im a nervous patient He explained everything and put me at ease - Mar 7, 2026 by Theresa M.Click to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in chronic inflammatory bowel disease (ibd) + 8 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Milkes earned his Doctor of Medicine from the University of California San Diego. He completed his internship and residency at NewYork-Presbyterian / Columbia U...Click to read more
Next available: Mon, May 4

Dr. Arlene Garcia, MD

Gastroenterologist
4.79
·390 reviews
She is patient and thorough. A careful and very caring physician. Recommend her without reservation. - Apr 19, 2018 by Sandra F.Click to read more
26.5 mi · 1575 Hillside Ave, Ste 301, New Hyde Park, NY 11040
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Expertise in colonoscopy + 1 more ·
Read bio
Dr. Arlene Garcia is a skilled and experienced gastroenterologist. She sees patients in person at Digestive Disease Care in Forest Hills, New York, and is certified by the American Board of Internal Medicine. Dr. Garcia acquired a bachelor's degree from Syracuse University and a medical degree from...Click to read more
Next available: Wed, May 6

Kimberly Riegel, NP

Nurse Practitioner (Gastroenterology)
4.96
·141 reviews
Very pleasant atmosphere with open honest communication about my situation. Looking forward to my next visit.Click to read more
20.5 mi · 287 Wading River Rd, Unit 2, Manorville, NY 11949
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
**KIMBERLY RIEGEL TREATS PATIENTS 16 YEARS OLD AND UP.** Kimberly Riegel is a Board Certified Nurse Practitioner Gastroenterology Specialist in Manorville, New York. She graduated with honors from the State University of New York at Stony Brook, School of Medicine in 2005, and earned her Master’s...Click to read more
Next available: Mon, May 4

Dr. Preeti Mehta, MD

Gastroenterologist
4.84
·1696 reviews
Dr. Metha is very professional and extremely bright. Very clean office and friendly staff. - May 27, 2019 by Olga R.Click to read more
26.5 mi · 1991 Marcus Ave, Ste M200, North New Hyde Park, NY 11042
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: Wed, May 6

Dr. Haseeb Ahmed, MD

Gastroenterologist
4.88
·110 reviews
Really appreciated his patience with all my concerns, especially as a younger, slightly neurotic patient for this type of procedure. - Mar 28, 2024 by Daniel G.Click to read more
27 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in acute stomach inflammation/infection + 4 more ·
Read bio
Haseeb Ahmed, MD's practice encompasses all aspects of general gastroenterology and hepatology, including colon cancer screening, GERD, constipation, diarrhea, gas, and abdominal pain. He earned his Doctor of Medicine degree from the State University of New York, Downstate Medical Center, and comple...Click to read more
Next available: Tue, May 5

Dr. Eleazer Yousefzadeh, MD

Gastroenterologist
4.84
·100 reviews
Very clear on the before during and after my procedure, would definitely recommend. - Jan 1, 2026 by Maria S.Click to read more
27 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause + 5 more ·
Read bio
Dr. Yousefzadeh is a specialist in gastrointestinal and liver health. He earned his Doctor of Medicine from Albert Einstein College of Medicine of Yeshiva University and completed his residency at Montefiore Medical Center, where he was awarded Outstanding House Officer. After completing fellowship ...Click to read more
Next available: Tue, May 5

Dr. Shirley Johnson, MD

Gastroenterologist
4.83
·451 reviews
Dr Johnson was a good listener and a pleasure to work with. - Nov 2, 2021 by Roma S.Click to read more
26.5 mi · 1991 Marcus Ave, Ste M200, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in upper gi endoscopy + 1 more ·
Read bio
Dr. Shirley Johnson-Hall is an experienced gastroenterologist practicing at Digestive Disease Care in New Hyde Park, NY. She primarily sees patients for abdominal pain, diarrhea, and hemorrhoids. Dr. Hall earned her Doctor of Medicine degree from the State University of New York, Downstate Medical ...Click to read more
Next available: Thu, May 7

Michael Liu, NP

Adult Nurse Practitioner
4.67
·15 reviews
Very Nice. by JQClick to read more
24 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Excellent wait time ·
Read bio
Mr. Michael Liu is an enthusiastic and detail-oriented adult nurse practitioner. He holds a Bachelor’s and a Master’s degree in Nursing from Florida International University. Mr. Liu brings extensive experience to his role at Digestive Disease Care across various locations, including Forest Hills, R...Click to read more
Next available: Mon, May 4

Dr. Robert Herman, MD

Gastroenterologist
5.00
·9 reviews
The staff and Dr Herman were friendly, efficient, knowledgeable and made me feel comfortable. I feel confident i will be well taken care of. - Sep 9, 2025 by Anthony L.Click to read more
27 mi · 310 E Shore Road, Suite 206, Great Neck, NY 11023
Accepts Aetna, Medicare, UnitedHealthcare + 5 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: Tue, May 5

Avigail Itzkowitz, APRN, NP

Nurse Practitioner (Gastroenterology)
5.00
·18 reviews
Office is clean, well run and the girls at the front desk were very efficient and very friendly. The NP was very good and listened well and communicated well. She is following up with appropriate tests and I’m very happy with her. - Oct 21, 2025 by Joanne L.Click to read more
19 mi · 187 Veterans Blvd, Massapequa, NY 11758
Accepts Aetna, BlueCross BlueShield, Cigna + 32 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Ms. Avigail Itzkowitz is a committed nurse practitioner specializing in gastroenterology. She practices at Gastrointestinal Care of Long Island, PC, in Massapequa, ...Click to read more
Next available: Tue, May 19

Dr. Ellen Haig, MD

Gastroenterologist
5.00
·45 reviews
Doctor is straight to the point and knowledgeable about her field.Click to read more
27.5 mi · 2 Lincoln Ave, Ste 201, Rockville Centre, NY 11570
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait timeExpertise in acute gastrointestinal bleeding + 6 more
Next available: Tue, May 5

Dr. Joshua Berkowitz, MD

Gastroenterologist (Virtual)
4.85
·447 reviews
I found Dr Berkowitz to be very nice & good listener also ask me if I had any questions only first visit would recommend - Oct 16, 2023 by Doreen M.Click to read more
Manhasset, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 49 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) ·
Read bio
Dr. Joshua Berkowitz is a board-certified gastroenterology physician. He obtained his medical degree from the Icahn School of Medicine at Mount Sinai. He completed a residency in internal medicine, and a fellowship in gastroenterology at Northwell Health in Manhasset, New York, where he served as ch...Click to read more
Next available: Thu, May 7

Dr. Anthony Celifarco, MD

Gastroenterologist
5.00
·20 reviews
Very knowledgeable and professional. - Jul 16, 2025 by Francis M.Click to read more
27 mi · 310 E Shore Road, Suite 206, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Emblem Health + 16 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic inflammatory bowel disease (ibd) + 5 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Anthony J. Celifarco, M.D. is a triple board-certified gastroenterologist with over 35 years of experience in the field of gastroenterology. He completed his fe...Click to read more
Next available: Tue, May 5

Alexander Salcedo, PA

Physician Assistant
4.46
·59 reviews
Very easy to speak with, and helped me promptly and efficiently. I was in and out in less than 30 minutes! - Oct 1, 2025 by Pearl L.Click to read more
24.5 mi · 135 Main St, Hempstead, NY 11550
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Accepting new patients · Excellent wait time ·
Read bio
Mr. Alexander Salcedo is a skilled and dedicated physician assistant based in Hempstead, NY. At Hempstead Primary Health, he offers consultations and follow-ups for a wide range of health concerns. Mr. Salcedo believes in listening to each patient and curating a partnership to maintain and improve ...Click to read more
Next available: Mon, May 4

Dr. David E Milkes, MD

Gastroenterologist
4.90
·58 reviews
Im a nervous patient He explained everything and put me at ease - Mar 7, 2026 by Theresa M.Click to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic inflammatory bowel disease (ibd) + 8 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Milkes earned his Doctor of Medicine from the University of California San Diego. He completed his internship and residency at NewYork-Presbyterian / Columbia U...Click to read more
Next available: Thu, May 7

Dr. Charnjit Singh, MD

Gastroenterologist
4.91
·214 reviews
I have known Dr. Singh for many years his bedside manner is amazing. He was thorough and patient and wanted to make sure he heard all of my concerns. He is extremely professional and makes you feel very comfortable. Highly recommend him. - Oct 25, 2023 by Maureen S.Click to read more
27 mi · 176 N Village Ave, Suite 2D, Rockville Centre, NY 11570
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in acute gastrointestinal bleeding + 7 more ·
Read bio
Dr. Charnjit Singh, MD, MBA, is a highly skilled gastroenterologist with over 28 years of experience. He specializes in colon cancer screening, reflux disease, liver disease, and inflammatory bowel conditions, focusing on adult patients, 18 and older. He is known for his compassionate and patient-ce...Click to read more
Next available: Fri, May 8

Dr. Chaim Abittan, MD

Gastroenterologist (Virtual)
4.98
·59 reviews
Looking forward to going back what a great doctorClick to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Expertise in irritable bowel syndrome (ibs) + 7 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Chaim S. Abittan, M.D. joined North Shore Gastroenterology Associates in 2001. In addition to being a gastroenterologist who is known throughout the New York area f...Click to read more
Next available: Fri, May 8

Dr. Raymond Diaz, MD

Gastroenterologist
4.60
·10 reviews
It was fine no complaints. by DJClick to read more
26.5 mi · 1575 Hillside Ave, Ste 301, New Hyde Park, NY 11040
Accepts Aetna, BlueCross BlueShield, Cigna + 17 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: Thu, May 14

Dr. Harold Lipsky, MD

Gastroenterologist (Virtual)
4.70
·100 reviews
A customer let me know that he was a great doctor and he saved my life she told me . So thank you. - Nov 9, 2022 by Valerie S.Click to read more
Lynbrook, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 37 more
Accepting new patients · 25+ years of experience · Offers video visits · Excellent wait time · Expertise in gastroenteritis + 6 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. DR. HAROLD LIPSKY is Board Certified in Gastroenterology and Internal Medicine. A native of Brooklyn, N.Y., he attended SUNY Downstate Medical School. He completed ...Click to read more
Next available: Mon, May 4

Dr. David Schwarzbaum, MD

Gastroenterologist (Virtual)
4.74
·149 reviews
My first visit was great. Doctor is very nice and very attentive. He listened to all my complaints and promised to help. - Sep 20, 2025 by Svitlana S.Click to read more
Lynbrook, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 37 more
Accepting new patients · Offers video visits · 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. Dr. David Schwarzbaum attended medical school at the Albert Einstein College of Medicine. He completed his residency in internal medicine at Mount Sinai Beth Israel...Click to read more
Next available: Mon, May 4

Dr. Harold Lipsky, MD

Gastroenterologist
4.70
·100 reviews
A customer let me know that he was a great doctor and he saved my life she told me . So thank you. - Nov 9, 2022 by Valerie S.Click to read more
28.5 mi · 360 Merrick Rd, Ste 320, Lynbrook, NY 11563
Accepts Aetna, BlueCross BlueShield, Cigna + 37 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: Mon, May 4

Dr. David Schwarzbaum, MD

Gastroenterologist
4.74
·149 reviews
My first visit was great. Doctor is very nice and very attentive. He listened to all my complaints and promised to help. - Sep 20, 2025 by Svitlana S.Click to read more
28.5 mi · 360 Merrick Rd, Ste 320, Lynbrook, NY 11563
Accepts Aetna, BlueCross BlueShield, Cigna + 37 more
Also offers video visits · Accepting new patients · 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. Dr. David Schwarzbaum attended medical school at the Albert Einstein College of Medicine. He completed his residency in internal medicine at Mount Sinai Beth Israel...Click to read more
Next available: Mon, May 4

Dr. Preeti Mehta, MD

Gastroenterologist
4.84
·1696 reviews
Dr. Metha is very professional and extremely bright. Very clean office and friendly staff. - May 27, 2019 by Olga R.Click to read more
28.5 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, May 4

Dr. Steven Linzer, DO

Family Physician
4.86
·3177 reviews
Thorough exam. The doctor communicated everything as he went along. - Aug 20, 2014Click to read more
22 mi · 30 Merrick Ave, East Meadow, NY 11554
Accepts Aetna, BlueCross BlueShield, Cigna + 56 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in upper respiratory infection (uri) + 4 more ·
Read bio
Note: New patients need to be seen in the office; please do not book a video visit. Dr. Steven P. Linzer is a board-certified family physician who earned his Doctor of Osteopathic Medicine degree from the New York Institute of Technology, New York College of Osteopathic Medicine. He completed his fa...Click to read more
Next available: Mon, May 4

Dr. David Berger, MD

Gastroenterologist
4.98
·62 reviews
Highly recommend. Dr. Berger listened carefully to my concerns, he addressed all concerns and he went above and beyond to ensure that all my concerns and questions were adressed. He was very thorough. by JGClick to read more
27 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in lower back pain + 6 more ·
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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: Wed, May 13

Dr. Chaim Abittan, MD

Gastroenterologist
4.98
·59 reviews
Looking forward to going back what a great doctorClick to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Expertise in irritable bowel syndrome (ibs) + 7 more ·
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Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Chaim S. Abittan, M.D. joined North Shore Gastroenterology Associates in 2001. In addition to being a gastroenterologist who is known throughout the New York area f...Click to read more
Next available: Mon, May 11

Dr. Mordecai A Dicker, MD

Gastroenterologist (Virtual)
4.83
·58 reviews
Dr. Dicker is very knowledgeable and attentive. He explains procedures throughly. - Sep 6, 2024 by Yejee P.Click to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · 25+ years of experience · Offers video visits · Excellent wait time · Expertise in acid reflux + 6 more ·
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Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Dicker earned his Doctor of Medicine from NYU Grossman School of Medicine. He completed his internship, residency, and fellowship at NYC Health + Hospitals / Be...Click to read more
Next available: Tue, May 12

Dr. Mordecai A Dicker, MD

Gastroenterologist
4.83
·58 reviews
Dr. Dicker is very knowledgeable and attentive. He explains procedures throughly. - Sep 6, 2024 by Yejee P.Click to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Also offers video visits · Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in acid reflux + 6 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Dicker earned his Doctor of Medicine from NYU Grossman School of Medicine. He completed his internship, residency, and fellowship at NYC Health + Hospitals / Be...Click to read more
Next available: Tue, May 12

Dr. Chandhini Ramaiah, MD

Gastroenterologist
4.75
·44 reviews
The doctor was very friendly and made me feel at ease. - Sep 23, 2025 by Cheryl F.Click to read more
27.5 mi · 560 Northern Blvd, Great Neck, NY 11021
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Excellent wait time
Next available: Mon, May 11

Dr. Frederick Rozenshteyn, MD

Gastroenterologist
25.5 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 24

Dr. Allen Ahdoot, MD

Gastroenterologist
4.93
·68 reviews
Really nice guy and great doctor! - Mar 14, 2011Click to read more
26.5 mi · 1 Dakota Dr, Ste 310, New Hyde Park, NY 11042
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 ·
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Allen Ahdoot, MD, is a skilled and accomplished gastroenterologist practicing for over 20 years in New Hyde Park. He earned his Doctor of Medicine from the Ruth and Bruce Rappaport Faculty of Medicine at the Technion Israel Institute of Technology and completed his fellowship at Montefiore Medical C...Click to read more
Next available: Wed, May 27

Dr. Nilesh Mehta, MD

Gastroenterologist
4.76
·335 reviews
Very pleasant, caring person ,really wants to help my problem. - Nov 22, 2019 by Eric C.Click to read more
28.5 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 ·
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**Please note - We are only able to see patients over the age of 18.** “I counted many physicians among my family members when I was young, so I had early exposure to the life of a physician. I was often able to join them at work in the hospital and learn from them. I was extremely fascinated wit...Click to read more
Next available: Thu, May 7

Dr. Arthur Talansky, MD

Gastroenterologist
4.87
·61 reviews
Dr Talansky and his office are top notch. I highly recommend - Oct 17, 2024 by Gina C.Click to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in gastroenteritis + 7 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office.Click to read more
Next available: Tue, May 19

Dr. Howard Rattner, MD

Gastroenterologist (Virtual)
4.87
·55 reviews
Dr Rattner was very good and informative. Very awhere of my situation and wanted to get help. - Sep 22, 2025 by Rory G.Click to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office.Click to read more
Next available: Tue, May 19

Dr. Howard Rattner, MD

Gastroenterologist
4.87
·55 reviews
Dr Rattner was very good and informative. Very awhere of my situation and wanted to get help. - Sep 22, 2025 by Rory G.Click to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office.Click to read more
Next available: Tue, May 19

Dr. Arthur Talansky, MD

Gastroenterologist (Virtual)
4.87
·61 reviews
Dr Talansky and his office are top notch. I highly recommend - Oct 17, 2024 by Gina C.Click to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in gastroenteritis + 7 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office.Click to read more
Next available: Tue, May 19

Dr. Lay Acharya, MD

Internist
4.87
·171 reviews
It was great quick visit and very professional and informational. by MOClick to read more
24 mi · 137 Willis Ave, Ste 110, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 21 more
Accepting new patients · Highly recommended · Expertise in high cholesterol + 2 more ·
Read bio
Dr. Lay Acharya is an experienced internist. She practices at Northeast Primary Care Physicians in Mineola, NY. She earned her bachelor’s degree from New York University. Dr. Acharya completed her medical degree at the Medical University of the Americas and her residency at Augusta University. Boa...Click to read more
Next available: tomorrow

Dr. Alan Sloyer, MD

Gastroenterologist (Virtual)
4.97
·63 reviews
Great doctor with a good bedside manner. They made me feel so comfortable. - Aug 20, 2025 by Suzan R.Click to read more
Great Neck, NY
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in diverticulosis (outpouchings) of intestine + 8 more ·
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Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Sloyer is an award-winning photographer specializing in travel, landscape, and street photography. He has been fortunate to travel to unique destinations and ex...Click to read more
Next available: Tue, May 26

Dr. Alan Sloyer, MD

Gastroenterologist
4.97
·63 reviews
Great doctor with a good bedside manner. They made me feel so comfortable. - Aug 20, 2025 by Suzan R.Click to read more
27 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in diverticulosis (outpouchings) of intestine + 8 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Sloyer is an award-winning photographer specializing in travel, landscape, and street photography. He has been fortunate to travel to unique destinations and ex...Click to read more
Next available: Tue, May 26

Dr. Andrew Marshall, MD

Gastroenterologist
4.74
·116 reviews
Very, very good doctor and very good office staff. Clean, comfortable, friendly and professional. - Jun 19, 2025 by Jacob C.Click to read more
29.5 mi · 1800 Rockaway Ave, Ste 201, Hewlett, NY 11557
Accepts Aetna, BlueCross BlueShield, Cigna + 28 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: Tue, May 5

Dr. David Kadosh, MD

Gastroenterologist
5.00
·14 reviews
Dr Kadosh was friendly and patient. He is a great listener and clear communicator. I was very comfortable with explaining my medical needs to him. He contacted me the very next day with my lab test results. I would recommend him. It was easy to book an appointment. - Jan 26, 2026 by Patty C.Click to read more
29 mi · 241-02 Northern Blvd, 1st Fl, Douglaston, NY 11362
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. David Kadosh is a gastroenterologist at Northwell Health Gastroenterology - Central in Douglaston, NY. He is affiliated with the Long Island Jewish Medical Center and the North Shore University Hospital. As part of his educational training, Dr. Kadosh acquired his medical degree from Technion-I...Click to read more
Next available: Wed, May 6
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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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