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Gastroenterologist (digestive)
25 years of experience
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 (10)

The overall average patient rating of Dr. Jay Fenster is Good. Dr. Fenster has been reviewed by 26 patients who have provided 10 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.2
Promptness 4.2
Courteous Staff 4.2
Accurate Diagnosis 4.5
Bedside Manner 4.4
Spends Time with Me 4.3
Follows Up After Visit 4.2

Specialties & Research

Dr. Jay Fenster, MD is board certified in Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Fenster graduated from State University of New York Downstate, Brooklyn. He has 2 awards.

Patients' Choice Award (2011 - 2013)
Compassionate Doctor Recognition (2011 - 2014)


Dr. Fenster has 5 hospital affiliations:

  • St John's Episcopal Hospital 
  • St Catherine Of Siena Medical Center 


  • Yiddish
  • Spanish
  • Hebrew
  • Russian

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Additional Information
Dr. Jay Samuel Fenster MD is a male Internist, has 25 years of experience and practices in Gastroenterology.
Where does Dr. Jay S. Fenster practice?
Dr. Jay Fenster has 1 office location.
Dr. Jay Fenster practices Gastroenterology near Cedarhurst, NY.
See Cedarhurst Gastroenterologists.