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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 (2)

The overall average patient rating of Dr. Jacob Walfish is Good. Dr. Walfish has been reviewed by 4 patients who have provided 2 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 5.0
Courteous Staff 3.7
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 3.0

Specialties & Research

Dr. Jacob Walfish, MD is board certified in Internal Medicine.

  • He has special expertise in 1 area:
  • Irritable Bowel Syndrome (IBS)

Education & Awards

Dr. Walfish graduated from Harvard University , Boston. He has 1 awards.

Castle Connolly Top Doctors: New York Metro Area™ (1999 - 2008, 2010 - 2015)


Dr. Walfish has 8 hospital affiliations:

  • NYU Langone Medical Center 
  • Nyu Hospital For Joint Diseases 


  • Hebrew
  • Yiddish

> > > > Dr. Jacob Walfish, MD

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Additional Information
Dr. Jacob S Walfish MD is a male Internist, has 37 years of experience and practices in Internal Medicine.
Where does Dr. Jacob S. Walfish practice?
Dr. Jacob Walfish has 3 office locations.
Dr. Jacob Walfish practices Internal Medicine near Brooklyn, NY.
Additional practice locations include: New York, NY.
See Brooklyn Internists.