Physician Profile

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About GREENSTEIN

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Areas of Expertise

Surgery (Primary)

Licensing & Certification

NY license137544-1
NPI1477753044
NPI issued07/23/2007

Source: NPPES NPI Registry

Common questions

What is Dr. Greenstein's specialty?

Dr. Greenstein is a general surgeon in Tenafly, NJ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Surgery”.

NPI registry

Where can I find Dr. Greenstein?

Dr. Greenstein is listed at 73 WINDSOR RD, Tenafly, NJ 07670. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Greenstein?

The number on file is (201) 568-4343. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Greenstein's NPI number?

Dr. Greenstein's National Provider Identifier is 1477753044. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

How long has Dr. Greenstein been practicing?

Dr. Greenstein has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Greenstein confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Greenstein. If this is you, claiming it is free.

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Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.