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

Michael J Duffy, PA

Individual provider Physician Assistant · NPI 1801839188

Michael J Duffy, PA is a Physician Assistant in Oakland, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
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

3315 Broadway
Oakland, CA 94611-5717
Phone: (510) 486-2300
Fax: (510) 486-2333
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA11368 (CA)

Record details

NPI number1801839188
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedJune 14, 2006
Last updated in NPPESJuly 21, 2022
Mailing address200 Porter Dr Ste 215, San Ramon, CA 94583-1524

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