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Provider Profile

Samuel Massion

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At a glance

About Samuel Massion

Samuel Massion is a hospitalist practicing in San Francisco, CA. Samuel is also listed as specializing in internal medicine. This provider record is associated with NPI 1821793654.

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

Education & Training

School Other Graduated: 2023

Specialty

Hospitalist (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 201779CurrentExpires May 2027Since 2025
NPINational Provider Identifier
1821793654Issued 2023

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentSometimes (reported per claim)
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 Samuel Massion specialize in?

Samuel Massion is a hospitalist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Samuel Massion located?

Samuel Massion is listed at 505 Parnassus Ave, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Samuel Massion's phone number?

The number on file is (415) 476-1528. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Samuel Massion's NPI number?

Samuel Massion's National Provider Identifier is 1821793654. 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

Where did Samuel Massion train?

Samuel Massion attended Other, graduating in 2023. This comes from the CMS National Downloadable File.

CMS public data

How long has Samuel Massion been practicing?

Samuel Massion has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.

CMS public data

Has Samuel Massion confirmed this information?

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

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