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Internist, Infectious Disease Specialist (virus, bacteria, parasites)
33 years of experience
Accepting new patients
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).

Learn more about Dr. Kenneth Roistacher:

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  1. Qualifications
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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Kenneth Roistacher is Good. Dr. Roistacher has been reviewed by 4 patients who have provided 0 comments. The rating is 4 out of 5 stars.

Specialties & Research

Dr. Kenneth Roistacher, MD is board certified in Internal Medicine and Infectious Disease.

  • He has special expertise in 3 areas:
  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • HIV Infections
  • Hepatitis C

Education & Awards

Dr. Roistacher graduated from State University of New York Downstate, Brooklyn.


Dr. Roistacher has 9 hospital affiliations:

  • St Catherine Of Siena Medical Center 
  • Coney Island Hospital 


  • Yiddish
  • Hebrew
  • Spanish
  • Russian

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Additional Information
Dr. Kenneth DR Roistacher MD is a male Internist, has 33 years of experience and practices in Internal Medicine and Infectious Disease.
Where does Dr. Kenneth D. Roistacher practice?
Dr. Kenneth Roistacher has 2 office locations.
Dr. Kenneth Roistacher practices Internal Medicine and Infectious Disease near Smithtown, NY.
See Smithtown Internists and Smithtown Infectious Disease Doctors.