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

William Moyer Brennan, PA-C

Individual provider Medical Physician Assistant · NPI 1336231869

William Moyer Brennan, PA-C is a Physician Assistant in Tucson, Arizona. Qualified in 1984, 42 years ago. Practices with Ironwood Dermatology, PC, a 10-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
42
Licensed in
AZ
In the registry since
2006
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

2732 N Alvernon Way
Tucson, AZ 85712-1804
Phone: (520) 382-3330
Fax: (520) 382-3340
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 1474 (AZ)

Record details

NPI number1336231869
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedSeptember 29, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Group practice Ironwood Dermatology, Pc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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