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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).

Learn more about Dr. Ron Kastner:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Ron Kastner is Excellent. Dr. Kastner has been reviewed by 4 patients who have provided 2 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 5.0
Courteous Staff 4.7
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Ron Kastner, MD is board certified in Internal Medicine.

Education & Awards

Dr. Kastner graduated from New York University.


Dr. Kastner has 7 hospital affiliations:

  • Winthrop University Hospital 
  • New Island Hospital 


  • French
  • Italian
  • Spanish
  • Hebrew

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Additional Information
Dr. Ron E Kastner MD is a male Internist, has 18 years of experience and practices in Internal Medicine.
Where does Dr. Ron E. Kastner practice?
Dr. Ron Kastner has 5 office locations.
Dr. Ron Kastner practices Internal Medicine near Plainview, NY.
Additional practice locations include: Bethpage, NY and New Hyde Park, NY.
See Plainview Internists.