Physician Profile
Catharine T. Clark-Sayles, M.D.
Unclaimed ProfileAt a glance
- 1341 S Eliseo Dr, Suite 200, Greenbrae, CA 94904
About Dr. Clark-Sayles
Catharine T. Clark-Sayles, M.D. practices internal medicine in Greenbrae, CA. The provider's National Provider Identifier (NPI) is 1518952860.
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) 464-8176
- Email not available
Practice Locations
1341 S ELISEO DR SUITE 200
Greenbrae, CA 94904
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.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 8 related providers in 1 group
Common questions
What is Catharine T. Clark-Sayles's specialty?
Catharine T. Clark-Sayles is an internist in Greenbrae, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Catharine T. Clark-Sayles?
Catharine T. Clark-Sayles is listed at 1341 S Eliseo Dr Suite 200, Greenbrae, CA 94904. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Catharine T. Clark-Sayles?
The number on file is (415) 464-8176. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Catharine T. Clark-Sayles's NPI number?
Catharine T. Clark-Sayles's National Provider Identifier is 1518952860. 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 Catharine T. Clark-Sayles been practicing?
Catharine T. Clark-Sayles has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Catharine T. Clark-Sayles confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Catharine T. Clark-Sayles. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.