Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. Donald Cowan, JD

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1366243826

Mr. Donald Cowan, JD is an Addiction (Substance Use Disorder) Counselor in San Rafael, California. Registered with an NPI since 2025.

In the registry since
2025

Practice location Address checks out

603 D St
San Rafael, CA 94901-3719
Phone: (415) 492-4444
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1366243826
Entity typeIndividual (Type 1)
GenderMale
Credentials JD
Sole proprietorNo
NPI enumeratedMarch 21, 2025
Last updated in NPPESMarch 21, 2025
Certification dateMarch 21, 2025

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