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Edit this profileWhere to find Janusz J. Madej, M.D.
- Los Altos location main office
339 S San Antonio Rd Ste 1A, Los Altos, CA 94022 - Portola Valley location
3130 Alpine Rd., Ste 180, Portola Valley, CA 94028
About Dr. Madej
Janusz J. Madej, M.D. practices internal medicine in Los Altos, CA. The provider's National Provider Identifier (NPI) is 1376616706.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (650) 529-1669
- Email not available
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Practice Locations
339 S SAN ANTONIO RD STE 1A
Los Altos, CA 94022
3130 ALPINE RD. STE 180
Portola Valley, CA 94028
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 1
Same specialty, same street address — most likely the same department or group.
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. Contact the office directly to confirm availability and scheduling.
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
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