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315 verified Gastroenterologists in West Islip, 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 06/08/2026
Availability last updated 06/08/2026

Dr. Taeyang Park, MD

Gastroenterologist
5.00
·9 reviews
Dr. Park was very friendly and professional very attentive and made the visit easy and comfortable. by GFClick to read more
8 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
Accepts Aetna, BlueCross BlueShield, Cigna + 17 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. Corina Serer, MD

Gastroenterologist
4.79
·149 reviews
I would highly reccomend her. Very professianal and caring. - Aug 9, 2017 by Kathleen W.Click to read more
9 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
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: today

Dr. Theodore Perlman, MD

Gastroenterologist
4.85
·102 reviews
Good. Dr. Perlman listens to all my concerns. by SGClick to read more
9 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended ·
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: today

Dr. Preeti Mehta, MD

Gastroenterologist
4.83
·1704 reviews
Dr. Mehta was so sweet and listened to everything I had to say! Her entire staff was sweet as well! by Emily H.Click to read more
8 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended ·
Read bio
**Please note - We are only able to see patients over the age of 18.** Dr. Mehta is board certified by the American Board of Internal Medicine in the specialties of Internal Medicine and Gastroenterology & Hepatology. She is currently the Director of the Liver Clinic and Hepatology at New York Hos...Click to read more
Next available: Thu, Jun 11

Dr. Alan Schuller, MD

Gastroenterologist
4.87
·107 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
13 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
·15 reviews
Wonderful people all around by RFClick to read more
8 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic inflammatory bowel disease (ibd) + 7 more ·
Read bio
Dr. Mark Nyitray is a highly experienced, board-certified gastroenterologist at Digestive Disease Care, specializing in the diagnosis and treatment of gastrointestinal and hepatobiliary disorders. With over 29 years of expertise, he provides compassionate care to help patients manage complex digesti...Click to read more
Next available: Fri, Jun 12

Dr. Adam Beckerman, MD

Gastroenterologist
4.88
·126 reviews
Listened well and made me feel comfortable. I recommend him. - Dec 30, 2019Click to read more
9 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Adam H. Beckerman MD is Board Certified in Gastroenterology and Internal Medicine. Dr. Beckerman received the George M. Jaffin Scholarly Activity Award and is an honored member of Top Gastroenterologists. Dr. Beckerman completed his internship and residency at North Shore University Hospital, Corne...Click to read more
Next available: Wed, Jun 10

Dr. Ilya Badalov, MD

Gastroenterologist
4.64
·133 reviews
Good communicator, good bedside manner, clean office overall great. - Mar 2, 2022 by Florence S.Click to read more
8 mi · 1061 N Broadway, Ste 2, Massapequa, NY 11758
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Expertise in colonoscopy + 1 more
Next available: Mon, Jun 15

Dr. Alan Sandberg, MD

Gastroenterologist
4.91
·576 reviews
Very friendly and knowledgeable. Excellent bedside manner. - Nov 30, 2018 by Keith C.Click to read more
8 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended · Excellent wait time ·
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, Jun 16

Dr. Herbert Pasternak, DO

Gastroenterologist
4.87
·69 reviews
Comforting, friendly, and thorough. Very caring and pleasant to speak with.Click to read more
9 mi · 187 Veterans Blvd, Massapequa, NY 11758
Accepts Aetna, BlueCross BlueShield, Cigna + 32 more
Accepting new patients · Highly recommended ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Herbert Pasternak is a caring and attentive gastroenterologist serving the community of Massapequa, NY. Dr. Pasternak attended the New York Institute of Technology,...Click to read more
Next available: Tue, Jun 16

Dr. Anthony Razzano, MD

Gastroenterologist
4.95
·202 reviews
Every staff member was kind and smiled the whole time. The doctor listened to all his had to say. - Jun 24, 2025 by Louis M.Click to read more
11 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 55 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in colonoscopy + 4 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office.Click to read more
Next available: tomorrow

Dr. Jordan Rush, MD

Gastroenterologist
4.94
·274 reviews
Great visit, great office and a great doctor. Highly recommend. by Zeshan T.Click to read more
11 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 55 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. **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, Jun 11

Dr. Soren Gandhi, MD

Gastroenterologist
4.77
·69 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
13 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. Jarred Marshak, MD

Gastroenterologist
4.88
·183 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
11 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 55 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. 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, Jun 12

Dr. Robert Hitscherich, MD

Gastroenterologist
4.96
·55 reviews
Great doctor - Dec 16, 2025 by Diana G.Click to read more
9 mi · 1600 Old Country Rd,, Plainview,, NY 11803
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
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, Jul 15

Dr. Carly Barth, MD

Gastroenterologist
4.91
·396 reviews
Doctor was helpful and informative also provided a good i sight on my upcoming procedure, I definitely recommend her. - Aug 24, 2022Click to read more
11 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 55 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. 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, Jun 18

Juliet Costa, PA

Physician Assistant
10.5 mi · 554 Larkfield Rd, Ste 10G, East Northport, NY 11731
Accepting new patients ·
Read bio
Board-Certified Physician Assistant who earned a Master of Science in Physician Assistant Studies from St. John's University. An interest in neurology began while volunteering in EMS and caring for individuals with neurological emergencies and complex medical conditions. Passionate about patient edu...Click to read more
Next available: today

Dr. Paul Pervil, MD

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

Dr. Tricia Narine, MD

Family Physician
4.82
·78 reviews
She has a very kind bedside manner and was thorough in her evaluation of my issue. I appreciated her concern and communication throughout the visit. - Sep 2, 2024 by Megan C.Click to read more
10 mi · 1070 Old Country Rd, Plainview, NY 11803
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · Highly recommended · Excellent wait time ·
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. 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
8.5 mi · 4900 Hempstead Tpke, Farmingdale, NY 11735
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients ·
Read bio
Dr. Ronald Fagan is an internist at his private practice in Farmingdale, NY. He is also a visiting affiliate at Long Island Jewish Medical Center and Cook County North Shore Hospital. He welcomes adult patients 18 and above with common illnesses, chronic diseases, mental health issues, and minor inj...Click to read more
Next available: Wed, Jun 10

Dr. Mejdi Ahmad, MD

Gastroenterologist
4.83
·41 reviews
everything was perfecto!! - Feb 14, 2025 by Daniel P.Click to read more
17.5 mi · 235 N Belle Mead Rd, East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients ·
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: today

Dr. Syeda Hossain, MD

Gastroenterologist
4.86
·261 reviews
Very kind and funny doctor, she’s very down to earth . She made me feel so comfortable - Sep 21, 2023 by Katie K.Click to read more
17.5 mi · 235 N Belle Mead Rd, East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended ·
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
·712 reviews
Dr Blank was very professional and knowledgeable, he spoke in terms I could understand and I would highly recommend him - Feb 6, 2022 by Gary R.Click to read more
17.5 mi · 235 N Belle Mead Rd, East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended · Excellent wait time
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
13 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: Fri, Jul 10

Dimitri Ghecas, PA-C

Physician Assistant
5.00
·27 reviews
Dimitri was outstanding- he was very competent, extremely kind , attentive and took the time to make a thorough exam. - Nov 12, 2024Click to read more
10 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
·288 reviews
She listen to me android very caring spirit plus informative.Click to read more
17.5 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. Shirley Johnson, MD

Gastroenterologist
4.83
·455 reviews
Doctor Hall was give me great information and she was a great listener. She provide great health services to me. - Mar 5, 2023 by Tanya W.Click to read more
17.5 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended ·
Read bio
Dr. Shirley Johnson-Hall is an experienced gastroenterologist practicing at Digestive Disease Care in New Hyde Park, NY. She primarily sees patients for abdominal pain, diarrhea, and hemorrhoids. Dr. Hall earned her Doctor of Medicine degree from the State University of New York, Downstate Medical ...Click to read more
Next available: today

Avigail Itzkowitz, APRN, NP

Nurse Practitioner (Gastroenterology)
5.00
·21 reviews
Receptionist not helpful for a new patient.Click to read more
9 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, Jun 16

Dr. Harold Lipsky, MD

Gastroenterologist
4.71
·103 reviews
The doctor made me feel at ease and makes the visit very friendly and confortable. - Mar 30, 2026 by Oladimeji A.Click to read more
19.5 mi · 360 Merrick Rd, Ste 320, Lynbrook, NY 11563
Accepts Aetna, BlueCross BlueShield, Cigna + 37 more
Also offers video visits · Accepting new patients · 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. 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. Christopher Tomaino, MD

Gastroenterologist
4.79
·66 reviews
Very friendly staff. Dr was very attentive and listened to my concerns. - Jul 31, 2025 by Margaret G.Click to read more
16 mi · 153 N Ocean Ave, Patchogue, NY 11772
Accepts Aetna, BlueCross BlueShield, Cigna + 45 more
Accepting new patients · Highly recommended ·
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, Jul 1

Dr. Charnjit Singh, MD

Gastroenterologist
4.91
·217 reviews
Excellent practitioner. Incredibly knowledgeable. First rate!! - Mar 16, 2021 by Landon B.Click to read more
18 mi · 176 N Village Ave, Suite 2D, Rockville Centre, NY 11570
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
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: Thu, Jun 11

Jaclyn Spector, PA

Physician Assistant
16.5 mi · 400 Garden City Plz, Ste 103, Garden City, NY 11530
Accepting new patients ·
Read bio
Jaclyn Spector is a board-certified Physician Assistant specializing in neurology, practicing in Garden City, New York. She earned both her bachelor’s and master’s degrees in Physician Assistant Studies from Hofstra University through its accelerated dual-degree program. Her clinical training includ...Click to read more
Next available: today

Dr. Jack Mlabasati, MD

Gastroenterologist
4.90
·10 reviews
Great Doctor, took time to listen and ask questions. - Dec 11, 2025Click to read more
18 mi · 199 Hempstead Tpke, West Hempstead, NY 11552
Accepts Aetna, BlueCross BlueShield, Cigna + 49 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Jack Mlabasati is a gastroenterologist and hepatologist committed to providing comprehensive, personalized digestive health care. Known for his thorough approach and warm bedside manner, Dr. Mlabasati specializes in conditions such as acid reflux, IBS, IBD (Crohn’s & Ulcerative Colitis), liver d...Click to read more
Next available: Mon, Jun 15

Alexander Salcedo, PA

Physician Assistant
4.42
·62 reviews
The doctor was great, the actual visit was great, but I will never schedule another appointment so long as he's with this health group. They are AWFUL. They told me to call in after my bloodwork to ask about the results, because I may not need to come in for a follow-up appt. So I called in and aske...Click to read more
17 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 serving the Hempstead, NY community. At Suffolk Health Hempstead, he provides comprehensive consultations and follow-up care for a wide range of health needs. Mr. Salcedo is committed to preventive care, early detection, and pati...Click to read more
Next available: today

Dr. Seth Persky, MD

Gastroenterologist
4.84
·32 reviews
- Oct 15, 2025 by Devin M.Click to read more
17.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 440 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
Dr. Seth Persky is an experienced gastroenterologist who practices at Northwell Health Gastroenterology-Eastern. He offers services to people in Wading River and Setauket-East Setauket, NY, and is also affiliated with Mather Hospital. Dr. Persky is committed to providing exceptional, patient-center...Click to read more
Next available: Tue, Jun 23

Dr. Shailaja Antharam, MD

Internist
5.00
·4 reviews
Dr.Shailaja Antharam was extremely professional, knowledgeable, and compassionate. She explained everything clearly and made sure all my questions were answered. I felt genuinely cared for and well supported during my visit. Highly recommend - May 17, 2026Click to read more
12.5 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: Fri, Jun 12

Dr. Eleazer Yousefzadeh, MD

Gastroenterologist
4.84
·101 reviews
I’ll tell you how amazing EVERYONE is at this office. I came with my daughter who was having a procedure done. I felt such ease the whole time I was there that I scheduled a procedure for myself that I’ve been putting off for years. So with that said I rate them 1000 out of 10. I highly recommend th...Click to read more
21 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 ·
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: today

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
20.5 mi · 1800 Rockaway Ave, Ste 201, Hewlett, NY 11557
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Accepting new patients · Highly recommended · Excellent wait time ·
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: tomorrow

Dr. Haseeb Ahmed, MD

Gastroenterologist
4.88
·111 reviews
He was very patient and thorough! Me was eager to get to the root cause of my sons issues. - Mar 25, 2025 by John R.Click to read more
21 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: today

Dr. William Cohn, MD

Gastroenterologist
4.94
·33 reviews
17.5 mi · 8 Technology Dr, Ste 101, Setauket- East Setauket, NY 11733
Accepts Aetna, BlueCross BlueShield, Cigna + 440 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, Jul 1
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Easy same day appointment and was able to pick up my prescription within an hour of finishing my visit. Highly recommend
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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 West Islip?

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

How can I find a West Islip Gastroenterologist who takes my insurance?

Zocdoc lets you search specifically for a West Islip 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 West Islip?

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

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

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

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

How can I find a top-rated Gastroenterologist in West Islip?

You can use Zocdoc to find Gastroenterologists in West Islip 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 West Islip?

Gastroenterologists in West Islip 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 West Islip 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 West Islip 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 West Islip who sees patients during the weekend?

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

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        Zocdoc›Gastroenterologists›Long Island, NY›West Islip, NY