Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mason Lee Donnell, PHD, PA

Individual provider Physician Assistant · NPI 1891417390

Dr. Mason Lee Donnell, PHD, PA is a Physician Assistant in San Rafael, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2022
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

4000 Civic Center Dr
San Rafael, CA 94903-4171
Phone: (415) 492-3333
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 300 Hartle Ct, Napa, CA 94559-4078 — (707) 254-1775

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 62685 (CA)

Record details

NPI number1891417390
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , PA
Sole proprietorYes
NPI enumeratedSeptember 13, 2022
Last updated in NPPESMarch 7, 2026
Certification dateMarch 7, 2026

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