Are you Katharine Fast, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 450 Sutter St, Allergy and Immunology Suite 1336, San Francisco, CA 94108
About Dr. Fast
Katharine Fast, M.D. practices allergy & immunology in San Francisco, CA. Katharine is also listed as specializing in internal medicine. The provider's National Provider Identifier (NPI) is 1275720484.
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
- (415) 433-7800
- Email not available
Practice Locations
450 SUTTER ST ALLERGY AND IMMUNOLOGY SUITE 1336
San Francisco, CA 94108
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does Katharine Fast specialize in?
Katharine Fast is an allergist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
Where is Katharine Fast located?
Katharine Fast is listed at 450 Sutter St Allergy and Immunology Suite 1336, San Francisco, CA 94108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Katharine Fast's phone number?
The number on file is (415) 433-7800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Katharine Fast's NPI number?
Katharine Fast's National Provider Identifier is 1275720484. 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 Katharine Fast been practicing?
Katharine Fast has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Katharine Fast confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Katharine Fast. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.