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

Mark Mason Haley, PA

Individual provider Physician Assistant · NPI 1558475699

Mark Mason Haley, PA is a Physician Assistant in San Luis Obispo, California. Practices as a sole proprietor. Licensed in California.

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 Partly verified

Some contact details are missing from the federal record.

One Grand Ave
San Luis Obispo, CA 93407-0210
Phone: (805) 756-1211
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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 PA17394 (CA)

Record details

NPI number1558475699
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorYes
NPI enumeratedAugust 18, 2006
Last updated in NPPESMarch 12, 2010

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