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Provider Profile

Stephen M. Massa, M. D.

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At a glance

About Stephen Massa

Stephen M. Massa, M. D. practices neurology in San Francisco, CA. The provider's National Provider Identifier (NPI) is 1710938584.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Neurology (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 57165CurrentExpires Sep 2027Since 1986
NPINational Provider Identifier
1710938584Issued 2006

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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 does Stephen M. Massa specialize in?

Stephen M. Massa is a neurologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.

NPI registry

Where is Stephen M. Massa located?

Stephen M. Massa is listed at 4150 Clement St Neurology (127), San Francisco, CA 94121. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Stephen M. Massa's phone number?

The number on file is (415) 221-4810. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Stephen M. Massa's NPI number?

Stephen M. Massa's National Provider Identifier is 1710938584. 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 Stephen M. Massa been practicing?

Stephen M. Massa 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 Stephen M. Massa confirmed this information?

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

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