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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. Mordecai Dicker, Gastroenterologist is Excellent. Dr. Dicker has been reviewed by 19 patients who have provided 4 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 4.8
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Mordecai Dicker, MD is board certified in Gastroenterology.

  • He has special expertise in 8 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Colon Cancer
  • Constipation
  • Gastrointestinal Hemorrhage
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Dicker graduated from New York University. He has 3 awards.

Patients' Choice Award (2011 - 2012, 2014 - 2015)
Compassionate Doctor Recognition (2011 - 2012, 2014 - 2015)
On-Time Doctor Award (2014 - 2015)


Dr. Dicker has 12 hospital affiliations:

  • NYU Langone Medical Center 
  • North Shore University Hospital 


  • English
  • German
  • Hebrew
  • Tagalog

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Additional Information
Dr. Mordecai Dicker MD is a male Internist, has 24 years of experience and practices in Gastroenterology.
Where does Dr. Mordecai Dicker practice?
Dr. Mordecai Dicker has 1 office location.
Dr. Mordecai Dicker practices Gastroenterology near Great Neck, NY.
See Great Neck Gastroenterologists.