Provider Profile
Donald Cowan, JD is an addiction & substance abuse counselor based in San Rafael, CA. The provider's National Provider Identifier (NPI) is 1366243826.
Factual summary compiled by Guide.md from public records; not written by this provider.
603 D ST
San Rafael, CA 94901
Donald Cowan is an addiction & substance abuse counselor in San Rafael, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Donald Cowan is listed at 603 D St, San Rafael, CA 94901. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 492-4444. Contact the office directly to confirm availability and scheduling.
NPI registry
Donald Cowan's National Provider Identifier is 1366243826. 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
Donald Cowan has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Donald Cowan. If this is you, claiming it is free.
Guide.md
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