Physician Profile

Janusz J. Madej, M.D.

Unclaimed Profile

About Dr. Madej

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Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA licenseA69531
NPI1376616706
NPI issued11/15/2006

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-outYes, since January 2024
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 Janusz J. Madej specialize in?

Janusz J. Madej is an internist in Los Altos, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where is Janusz J. Madej located?

Janusz J. Madej is listed at 339 S San Antonio Rd Ste 1A, Los Altos, CA 94022. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Janusz J. Madej's phone number?

The number on file is (650) 529-1669. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Janusz J. Madej's NPI number?

Janusz J. Madej's National Provider Identifier is 1376616706. 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 Janusz J. Madej been practicing?

Janusz J. Madej 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 Janusz J. Madej confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Janusz J. Madej. 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.