Browse specialties
Chiropractors
Dentists
Dermatologists
Ear, Nose & Throat Doctors
Endocrinologists
Eye Doctors
OBGYNs
Ophthalmologists
Optometrists
Orthopedic Surgeons
Podiatrists
Primary Care Doctors
Psychiatrists
Psychologists
Therapist-Counselors
See all specialties A-Z
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
Welcome to Zocdoc!
Book local doctors who take your insurance
Sign up
For providers
Grow your practice
For patients
Browse doctors
Browse practices
Browse hospitals
Browse conditions
Browse procedures
Browse treatments
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
HelpList your practice on Zocdoc
Sign up

Find an in-network doctor from over 1,000 insurance plans

Add your insurance to see in-network doctors
insurance link for 300
insurance link for 307
insurance link for 323
insurance link for 356
insurance link for 324
See all (1,000+)
315 verified Gastroenterologists in Merrick, 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 07/11/2026
Availability last updated 07/11/2026

Dr. Shirley Johnson, MD

Gastroenterologist
4.83
·457 reviews
This doctor was very respectful a nd interested in what you are explaining. - Feb 26, 2021 by Alethea H.Click to read more
7 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 6 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, Jul 13

Dr. Anthony Razzano, MD

Gastroenterologist
4.95
·207 reviews
Professional kind and thorough. We have a game plan to find out what my issue is - Apr 25, 2026 by Jonathan W.Click to read more
2 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 45 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in colonoscopy + 4 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office.Click to read more
Next available: Mon, Jul 27

Dr. Jarred Marshak, MD

Gastroenterologist
4.88
·183 reviews
Dr M was great! listened to all my concerns and answered all my questions and working on treatment - Nov 21, 2025 by Jarrett B.Click to read more
2 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 45 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in colonoscopy + 7 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Skilled with the intricacies of gastroenterology, Dr. Jarred Marshak received his medical degree from the American University of the Caribbean School of Medicine. S...Click to read more
Next available: Mon, Jul 27

Dr. Carly Barth, MD

Gastroenterologist
4.91
·398 reviews
Very knowledgeable. She evaluated my symptoms and recommended removing my gall bladder. by Loretta A.Click to read more
2 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 45 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in acid reflux + 3 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Certified by the American Board of Internal Medicine, Dr. Carly Barth is a skilled gastroenterologist. Patients visit her at Long Island Gastroenterology Specialist...Click to read more
Next available: Wed, Jul 29

Dr. Herbert Pasternak, DO

Gastroenterologist
4.87
·69 reviews
Great experience. Doc was attentive and listened carefully to my concerns. - Oct 10, 2017 by Mike D.Click to read more
4 mi · 187 Veterans Blvd, Massapequa, NY 11758
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in irritable bowel syndrome (ibs) + 5 more ·
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, Jul 14

Dr. Adam Beckerman, MD

Gastroenterologist
4.88
·128 reviews
Used the practice before and would definitely recommend themClick to read more
4.5 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
Accepts Aetna, Cigna, UnitedHealthcare + 18 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in acute gastrointestinal bleeding + 6 more ·
Read bio
Adam H. Beckerman MD is Board Certified in Gastroenterology and Internal Medicine. Dr. Beckerman received the George M. Jaffin Scholarly Activity Award and is an honored member of Top Gastroenterologists. Dr. Beckerman completed his internship and residency at North Shore University Hospital, Corne...Click to read more
Next available: Tue, Jul 14

Dr. Jordan Rush, MD

Gastroenterologist
4.94
·274 reviews
Excellent office - friendly, professional and got the job done right! - Sep 3, 2015Click to read more
2 mi · 2155 Wantagh Ave, Wantagh, NY 11793
Accepts Aetna, BlueCross BlueShield, Cigna + 45 more
Accepting new patients · 17 years of experience · Highly recommended · Excellent wait time · Expertise in acute stomach inflammation/infection + 5 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. **Please include your insurance at time of booking so we can verify prior to your visit.** Dr. Jordan Rush is a gastroenterologist treating patients in Wantagh, ...Click to read more
Next available: Thu, Aug 13

Dr. Theodore Perlman, MD

Gastroenterologist
4.85
·103 reviews
My impression of doctor is that he seem not in for money. I appreciate that . - Mar 6, 2025 by Yoriko W.Click to read more
4.5 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
Accepts Aetna, Cigna, UnitedHealthcare + 18 more
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in irritable bowel syndrome (ibs) + 3 more ·
Read bio
Theodore Perlman MD is a Board Certified Gastroenterologist and Internist. He is fluent in Hebrew, English and speaks conversational Hungarian. Dr. Perlman attended Semmelweis University School of Medicine in Hungary. Dr. Perlman completed both his residency and internship at Nassau University Medi...Click to read more
Next available: Thu, Jul 16

Dr. Ilya Badalov, MD

Gastroenterologist
4.64
·133 reviews
it was a pretty solid, straightforward experience, with no surprised - Apr 8, 2023 by Leonardo E.Click to read more
6 mi · 1061 N Broadway, Ste 2, Massapequa, NY 11758
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · 25+ years of experience · Expertise in colonoscopy + 1 more
Next available: Mon, Jul 13

Dr. Corina Serer, MD

Gastroenterologist
4.79
·151 reviews
Very friendly and professional environment. Explained things clearly. - Dec 4, 2024 by Norman R.Click to read more
4.5 mi · 850 Hicksville Rd, Ste 100, Seaford, NY 11783
Accepts Aetna, Cigna, UnitedHealthcare + 18 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause + 6 more ·
Read bio
Corina Serer, MD, AGF, has been in practice since 2000. She earned her medical degree from Universitatea de Medicina și Farmacie Carol Davila Facultatea de Medicina. She completed her internship at Flushing Hospital Medical Center and her fellowship at New York Hospital Queens. Dr. Serer believes in...Click to read more
Next available: Thu, Jul 23

Dr. Harold Lipsky, MD

Gastroenterologist
4.71
·105 reviews
Dr. Lipsky excellent Doctor answer all my questions felt good. by ECClick to read more
6.5 mi · 360 Merrick Rd, Ste 320, Lynbrook, NY 11563
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Also offers video visits · Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in gastroenteritis + 6 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. DR. HAROLD LIPSKY is Board Certified in Gastroenterology and Internal Medicine. A native of Brooklyn, N.Y., he attended SUNY Downstate Medical School. He completed ...Click to read more
Next available: Mon, Jul 13

Dr. Christine Chen, DO

Gastroenterologist
4.82
·298 reviews
It was my first time seeing the doctor at this place. The stuff, nurses and the doctor were very welcoming and helpful. - Jan 26, 2024 by Jinjutha H.Click to read more
7 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 6 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, Jul 13

Dr. Andrew Marshall, MD

Gastroenterologist
4.71
·118 reviews
Great experience. I will recommend him to my family. - Apr 4, 2026 by Nicole J.Click to read more
7.5 mi · 1800 Rockaway Ave, Ste 201, Hewlett, NY 11557
Accepts Aetna, Cigna, UnitedHealthcare + 17 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic high blood pressure + 9 more ·
Read bio
Andrew Marshall, MD has 25 years of experience in practice. He is Board Certified in Internal Medicine and Gastroenterology. He graduated from Emory University in 1988, and received his MD from The Mount Sinai School of Medicine in 1992. Dr. Marshall completed his internship residency training in In...Click to read more
Next available: Mon, Jul 13

Dr. Charnjit Singh, MD

Gastroenterologist
4.91
·219 reviews
Dr. Singh was so nice, warm, & friendly. He made me feel comfortable right away. I highly recommend him! - Aug 31, 2016 by Nicole B.Click to read more
5 mi · 176 N Village Ave, Suite 2D, Rockville Centre, NY 11570
Accepts Aetna, Cigna, UnitedHealthcare + 18 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: Wed, Aug 5

Dr. Mark Nyitray, DO

Gastroenterologist
5.00
·34 reviews
Satisfied with my visit by BMClick to read more
11 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
Accepts Aetna, BlueCross BlueShield, Cigna + 6 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, Jul 17

Dr. Ellen Haig, MD

Gastroenterologist
5.00
·45 reviews
She was great and attentive. Short wait time. I would recommend and go back - Mar 2, 2026 by Alexis B.Click to read more
5 mi · 2 Lincoln Ave, Ste 201, Rockville Centre, NY 11570
Accepts Aetna, Cigna, UnitedHealthcare + 17 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait timeExpertise in acute gastrointestinal bleeding + 6 more
Next available: Wed, Sep 2

Dr. Brandon Rieders, MD

Gastroenterologist
4.75
·64 reviews
He explained everything correctly and I felt comfortable and definitely felt as if I chose the right provider. - Sep 1, 2021 by Mohammad W.Click to read more
7.5 mi · 210 E Sunrise Hwy, Ste 304, Valley Stream, NY 11581
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · Expertise in colonoscopy + 4 more ·
Read bio
Brandon Elliott Rieders received his undergraduate and medical degrees from The University of Miami Miller School of Medicine’s combined 7-year honors program. He completed his postgraduate training in internal medicine and fellowship in gastroenterology at The George Washington University Hospital....Click to read more
Next available: Tue, Jul 21

Dr. Gautam Reddy, MD

Gastroenterologist
4.91
·137 reviews
All my concerns are addressed and handled in a professional manner - Jan 17, 2012 by JCClick to read more
7.5 mi · 210 E Sunrise Hwy, Ste 304, Valley Stream, NY 11581
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in colonoscopy + 6 more ·
Read bio
Gautam Reddy, MD, is a highly trained Gastroenterologist and the President of Medical Staff at Franklin Hospital. He earned his Bachelor of Medicine, Bachelor of Surgery from Osmania Medical College. Dr. Reddy completed his internship and residency in Internal Medicine, followed by a fellowship in G...Click to read more
Next available: Thu, Jul 23

Dr. Robert Hitscherich, MD

Gastroenterologist
4.96
·57 reviews
Great doctor - Dec 16, 2025 by Diana G.Click to read more
5.5 mi · 4045 Hempstead Tpke, Bethpage, NY 11714
Accepts Aetna, Cigna, UnitedHealthcare + 18 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 5 more ·
Read bio
Robert M. Hitscherich, MD, is a Board-Certified Gastroenterologist and Internal Medicine physician. He earned his Doctor of Medicine degree from Tufts University. He completed his internship at Cornell University and a three-year medical residency at New York Presbyterian Hospital. Dr. Hitscherich s...Click to read more
Next available: Thu, Sep 17

Dr. Allen Ahdoot, MD

Gastroenterologist
4.93
·68 reviews
Dr Ahdoot was very professional and thorough. He spent time going over my medical history and evaluation with me. by Farshad K.Click to read more
10 mi · 1 Dakota Dr, Ste 310, New Hyde Park, NY 11042
Accepts Aetna, Cigna, UnitedHealthcare + 18 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 5 more ·
Read bio
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: Mon, Jul 13

Dr. Arlene Garcia, MD

Gastroenterologist
4.79
·399 reviews
Dr. Garcia was friendly, professional and thorough. Her bedside manner was excellent and caring which was refreshing. by Erik Y.Click to read more
9 mi · 1575 Hillside Ave, Ste 301, New Hyde Park, NY 11040
Accepts Aetna, BlueCross BlueShield, Cigna + 6 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, Jul 15

Michael Liu, NP

Adult Nurse Practitioner
4.82
·28 reviews
The wait time was very quick. I had little to no wait time, but this is everytime I see this Dr. He very good with patients. by NSClick to read more
7 mi · 137 Willis Ave, 2nd Fl, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 6 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: today

Dr. Raymond Diaz, MD

Gastroenterologist
4.60
·10 reviews
The staff throughout the entire office were extremely friendly. The Dr. Diaz listened to all of my concerns and immediately set me up with follow-up testing and another referral. He was very understanding and knowledgable and I would highly recommend him. - Jan 26, 2025Click to read more
9 mi · 1575 Hillside Ave, Ste 301, New Hyde Park, NY 11040
Accepts Aetna, BlueCross BlueShield, Cigna + 6 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, Jul 16

Dr. Lay Acharya, MD

Internist
4.85
·182 reviews
The doctor was great pleasant attitude very nice staff - Sep 11, 2025 by David D.Click to read more
7 mi · 137 Willis Ave, Ste 110, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 13 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: today

Dr. Haseeb Ahmed, MD

Gastroenterologist
4.88
·112 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
10 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
Accepts Aetna, Cigna, UnitedHealthcare + 18 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in acute stomach inflammation/infection + 4 more ·
Read bio
Haseeb Ahmed, MD's practice encompasses all aspects of general gastroenterology and hepatology, including colon cancer screening, GERD, constipation, diarrhea, gas, and abdominal pain. He earned his Doctor of Medicine degree from the State University of New York, Downstate Medical Center, and comple...Click to read more
Next available: Tue, Jul 14

Dr. Preeti Mehta, MD

Gastroenterologist
4.83
·1703 reviews
Dr. Mehta is simply the best. She listens and is attentive to my concerns, I wish there were more doctors like her?? by Sandra L.Click to read more
8.5 mi · 366 N Broadway, Ste LW2, Jericho, NY 11753
Accepts Aetna, BlueCross BlueShield, Cigna + 6 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: Tue, Jul 28

Dr. Eleazer Yousefzadeh, MD

Gastroenterologist
4.84
·101 reviews
Great experience. Dr Eleazer is simply fantastic. Highly recommended. - Jan 29, 2024 by Rajendra I.Click to read more
10 mi · 2800 Marcus Ave, Ste 201, New Hyde Park, NY 11042
Accepts Aetna, Cigna, UnitedHealthcare + 18 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in 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, Jul 14

Dr. Sumera Gilani, MD

Family Physician
4.82
·66 reviews
The front desk staff, the nurses, Dr Sumera were very attentive to my all my needs and were very knowledgeable and friendly. - Jul 20, 2025Click to read more
7 mi · 137 Willis Ave, Ste 110, Mineola, NY 11501
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Accepting new patients · Highly recommended ·
Read bio
Dr. Sumera Gilani, MD, is a compassionate family medicine physician at Northeast Primary Care. She earned her Doctor of Medicine degree from St. George's University and is dedicated to providing comprehensive healthcare services to patients of all ages.Click to read more
Next available: Tue, Jul 14

Dr. Soren Gandhi, MD

Gastroenterologist
4.73
·73 reviews
Dr. Ghandi was very professional and thorough. I’m very glad I made this appointment. Thank you - Oct 13, 2025 by Lauren B.Click to read more
11 mi · 575 Underhill Blvd, Suite 200, Syosset, NY 11791
Accepts Aetna, Cigna, UnitedHealthcare + 17 more
Accepting new patients · Highly recommended · Expertise in acid reflux + 4 more ·
Read bio
Dr. Soren Gandhi is excited to be practicing on Long Island in his hometown of Syosset. He enjoys serving his community and helping guide people to live their healthiest lives. His areas of clinical expertise include colon cancer screening, acid reflux, constipation, and hemorrhoid management. He is...Click to read more
Next available: Mon, Jul 13

Dr. Taeyang Park, MD

Gastroenterologist
5.00
·10 reviews
Dr. Park was very friendly and professional very attentive and made the visit easy and comfortable. by GFClick to read more
11 mi · 150 Broadhollow Rd, Ste 120, Melville, NY 11747
Accepts Aetna, BlueCross BlueShield, Cigna + 6 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: Mon, Jul 13

Avigail Itzkowitz, APRN, NP

Nurse Practitioner (Gastroenterology)
5.00
·21 reviews
The service was great. I was seen very fast and Avigail Itzkowitz was very professional. Some things arent easy to say out loud but she made it easy to explain what i was going through. I would recommend her and her office to anyone. - Jul 23, 2025 by Matthew D.Click to read more
4 mi · 187 Veterans Blvd, Massapequa, NY 11758
Accepts Aetna, BlueCross BlueShield, Cigna + 22 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, Jul 14

Dr. Thomas O'Brien, DO

Family Physician
3.00
·2 reviews
5 mi · 55 Maple Ave, Ste 102, Rockville Centre, NY 11570
Accepts Aetna, BlueCross BlueShield, Emblem Health + 62 more
Accepting new patients · 25+ years of experience · Excellent wait timeExpertise in upper respiratory infection (uri)
Next available: Wed, Jul 15

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
11 mi · 575 Underhill Blvd, Suite 200, Syosset, NY 11791
Accepts Aetna, Cigna, UnitedHealthcare + 17 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait timeExpertise in acute stomach inflammation/infection + 5 more
Next available: Thu, Jul 16

Alexander Salcedo, PA

Physician Assistant
4.41
·69 reviews
Friendly, efficient, professional yet polite. Past experiences else where unnecessarily complicate the entire experience but here they simplified it to an extend where I referred and booked for a family Member. Great doctor great staff. Easy Parking! - Jun 17, 2026 by Kaltrina M.Click to read more
5 mi · 135 Main St, Hempstead, NY 11550
Accepts Aetna, BlueCross BlueShield, Cigna + 10 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: Tue, Jul 14

Dr. Jacqueline Forman, MD

Gastroenterologist
4.81
·86 reviews
Dr. Forman was interested as to why I made an appointment with her. She was knowledgeable and answered all my questions. Overall, she made me feel comfortable. - May 14, 2025 by Donna C.Click to read more
13 mi · 310 E Shore Road, Suite 206, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Emblem Health + 6 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, Jul 13

Dr. Howard Rattner, MD

Gastroenterologist
4.89
·62 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
12.5 mi · 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Cigna + 23 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, Jul 14

Sana Baig, APRN, RN, NP

Nurse Practitioner (Gastroenterology)
4.73
·33 reviews
My experience was good. She listened and answered all of my questions. I would recommend her and will follow up with her. - Jun 1, 2026 by Patricia Y.Click to read more
6.5 mi · 360 Merrick Rd, Ste 320, Lynbrook, NY 11563
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Also offers video visits · Accepting new patients · Excellent wait time · Expertise in acute urinary tract infection ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Sana Baig is a dedicated and compassionate healthcare professional specializing in gastroenterology. She holds a Bachelor's degree from MCPHS University and a Maste...Click to read more
Next available: Mon, Jul 13

Dr. David Kadosh, MD

Gastroenterologist
4.79
·19 reviews
Listened and answered all questions and concerns - Oct 22, 2025 by Alicia J.Click to read more
12.5 mi · 241-02 Northern Blvd, 1st Fl, Douglaston, NY 11362
Accepts Aetna, BlueCross BlueShield, Cigna + 4 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, Jul 15

Dr. Anthony Celifarco, MD

Gastroenterologist
5.00
·23 reviews
It was such an amazing and pleasant experience. Dr. Celifarco is such a compassionate and empathetic doctor. I will highly recommend him. Thanks so much too to all the staff who were so helpful and accommodating. - Aug 3, 2025 by Rizelle V.Click to read more
13 mi · 310 E Shore Road, Suite 206, Great Neck, NY 11023
Accepts Aetna, BlueCross BlueShield, Emblem Health + 7 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic inflammatory bowel disease (ibd) + 5 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Anthony J. Celifarco, M.D. is a triple board-certified gastroenterologist with over 35 years of experience in the field of gastroenterology. He completed his fe...Click to read more
Next available: Tue, Jul 14

Dr. Robert Herman, MD

Gastroenterologist
5.00
·10 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
13 mi · 310 E Shore Road, Suite 206, Great Neck, NY 11023
Accepts Aetna, Medicare, UnitedHealthcare + 1 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in diverticulosis (outpouchings) of intestine + 7 more ·
Read bio
Attention: This provider does not facilitate Medicaid bookings through Zocdoc. If you have a Medicaid plan, please contact the office. Dr. Robert D. Herman is a gastroenterologist in Great Neck, New York and is affiliated with multiple hospitals in the area, including St. Francis Hospital and Heart...Click to read more
Next available: Tue, Jul 14
Calendar Check
1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
Zocdoc saves me so much time I used to spend calling around to find a place that takes my insurance or finding openings with doctors on the list provided by my insurance!
Stephanie W.
So easy to use and works EVERY time!! As a busy woman, I need to be able to schedule things quickly, and this makes that simple!! Thank you!!
Deborah P.
Doctor is great. Great experience using Zocdoc and they even had availability sooner than the provider website
Kaleb M
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 Merrick?

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

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

Zocdoc lets you search specifically for a Merrick 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 Merrick?

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

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

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

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

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

You can use Zocdoc to find Gastroenterologists in Merrick 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 Merrick?

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

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

Find doctors

        Zocdoc›Gastroenterologists›Long Island, NY›Merrick, NY