Frederick GreensteinM.D.
Frederick Greenstein, M.D. is an Urology provider in Brooklyn, NY, as of July 2026.
- NPI1174583686
- Registered2006
- Class of1977
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Frederick Greenstein at a glance
- Provider
- Frederick Greenstein
- Credential
- M.D.
- Specialty
- Urology
- Procedures
- Urology CPT codes
- Location
- Brooklyn, NY
- Medical school
- State University of New York Downstate Medical Center
- Graduated
- 1977
- NPI registered
- 2006
- NPI
- 1174583686
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Frederick Greenstein practice?
Frederick Greenstein, M.D. is based in Brooklyn, NY. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Frederick Greenstein's NPI number?
Frederick Greenstein's National Provider Identifier (NPI) is 1174583686, registered in 2006. Specialty on record: Urology; credential M.D.
Where did Frederick Greenstein go to medical school?
Frederick Greenstein, M.D. attended State University of New York Downstate Medical Center, graduating in 1977.
How many Urology providers in New York work at ambulatory surgery centers?
78 Urology surgeons and proceduralists in New York are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Frederick Greenstein among them. The New York Urology directory lists each one by city with credential, NPI, and center affiliations.
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