Physician Profile

Warren B. Greenspan, M.D.

Unclaimed Profile

About Dr. Greenspan

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Specialty

Anesthesiology (Primary)

Credentials & Licensing

NY license143936
NPI1497816474
NPI issued12/13/2006

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What is Warren B. Greenspan's specialty?

Warren B. Greenspan is an anesthesiologist in Long Beach, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

Where can I find Warren B. Greenspan?

Warren B. Greenspan is listed at 454 Grand Blvd, Long Beach, NY 11561. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Warren B. Greenspan?

The number on file is (516) 680-6417. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Warren B. Greenspan's NPI number?

Warren B. Greenspan's National Provider Identifier is 1497816474. 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 Warren B. Greenspan been practicing?

Warren B. Greenspan has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Warren B. Greenspan confirmed this information?

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

Guide.md

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