Dr. Frederick Greenstein, MD
34 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. Frederick Greenstein:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

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

Patient Ratings
Ease of Appointment 3.7
Promptness 4.1
Courteous Staff 4.6
Accurate Diagnosis 4.6
Bedside Manner 4.1
Spends Time with Me 4.6
Follows Up After Visit 4.6

Specialties & Research

Dr. Frederick Greenstein, MD is board certified in Urology.

  • He has special expertise in 2 areas:
  • Lithotripsy
  • Overactive Urinary Bladder

Education & Awards

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


Dr. Greenstein has 13 hospital affiliations:

  • Kingsbrook Jewish Medical Center 
  • Brooklyn University Hospital 


  • Creole
  • Polish
  • Hindi
  • Hungarian
  • Chinese
  • Italian
  • French
  • Mandarin
  • Hebrew
  • Yiddish

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Additional Information
Dr. Frederick Greenstein MD is a male Urologist, has 34 years of experience and practices in Urology.
Where does Dr. Frederick Greenstein practice?
Dr. Frederick Greenstein has 5 office locations.
Dr. Frederick Greenstein practices Urology near Brooklyn, NY.
See Brooklyn Urologists.