Mordecai Dicker, MD

Request An Appointment Today!

We Welcome New Patients

We invite you to contact us today to discuss your care.
Please don’t hesitate to call us at (516) 487-2444.

Read More

Request An Appointment Today!

Quickly and easily request your appointment online today.

Request Appointment

Welcome To The Office Of Mordecai Dicker, MD

Gastroenterologist in Great Neck, NY

Mordecai Dicker, MD, is a highly experienced, board-certified gastroenterologist providing expert services to the community of Great Neck, New York.

Dr. Dicker graduated summa cum laude in 1984 from Queens College, City University of New York and is a member of Phi Beta Kappa, America’s oldest academic honors society. He completed his medical degree in 1988 at New York University School of Medicine. He completed his internship in internal medicine at NYU Medical Center/Bellevue Hospital, followed by his residency and then a fellowship in gastroenterology at Bellevue.

Dr. Dicker began in private practice as a gastroenterologist at NYU Medical Center in 1994 and joined North Shore Gastroenterology Associates in 1998. He is on staff at North Shore University Hospital in Manhasset and Glen Cove, New York, where he teaches medical students, interns, residents, and gastroenterology fellows. Dr. Dicker is a clinical associate professor in the department of medicine at Hofstra University North Shore-LIJ School of Medicine and is a member of the professional staff at St. Francis Hospital in Roslyn, New York.

Dr. Dicker has particular interest and expertise in colon cancer and inflammatory bowel disease. He is an expert endoscopist and colonoscopist. Over his years of clinical practice, Dr. Dicker has attained fellowships in the American College of Physicians, American College of Gastroenterology, and American Gastroenterological Association.


We will do our best to accommodate your busy schedule. Request an appointment today!


Success Stories

I was referred to Dr. Dicker by a family member who he helped tremendously. On my initial visit I was treated with great care and concern taking time to listen to my issues. Upon examination, next steps were presented and discussed, making sure I understood all aspects. As I went through each step, he and his staff communicated clearly what needed to be done and were available to answer my questions. On the day of my procedure, I was impressed by how organized and efficient everyone was, making me feel confident I made the right choice. I am grateful for the care I received and will return for recommended follow-up visits.

AB. C.

Dr. Dicker is extremely knowledgeable and courteous. He spends time explaining everything and doesn’t make you feel rushed. I’ve sent my mother to him too !

Melissa G.

I highly recommend Dr Dicker and his staff. I was very nervous about my first colonoscopy and Dr Dicker reassured me about the procedure..All turned out great!! I will be a future patient ..

Enid P.

Very professional and friendly staff. Dr Dicker is very patient and never rushes you. Would definitely recommend him.

Jackie S.

Dr dicker is professional, classy yet funny. He is a great doctor and I feel very comfortable being under his care

A Google Reviewer

Gastroenterologist in Great Neck, NY
Call Us Text Us
Skip to content