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Edit this profileWhere to find Mason L. Donnell, PhD, PA
- San Rafael location main office
4000 Civic Center Dr, San Rafael, CA 94903 - Napa location
300 Hartle Ct, Napa, CA 94559
About Dr. Donnell
Mason L. Donnell, PhD, PA is a physician assistant based in San Rafael, CA. The provider's National Provider Identifier (NPI) is 1891417390.
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) 492-3333
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
4000 CIVIC CENTER DR
San Rafael, CA 94903
300 Hartle Ct
Napa, CA 94559
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 physician assistants at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 7 related providers in 1 group
Common questions
What does Dr. Donnell specialize in?
Dr. Donnell is a physician assistant in San Rafael, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Donnell located?
Dr. Donnell is listed at 4000 Civic Center Dr, San Rafael, CA 94903. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Donnell's phone number?
The number on file is (415) 492-3333. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Donnell's NPI number?
Dr. Donnell's National Provider Identifier is 1891417390. 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 Dr. Donnell been practicing?
Dr. Donnell has 4+ years experience. Registered with an NPI since 2022. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. Donnell confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Donnell. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.