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

Mr. Patrick William O'Brien, PA

Individual provider Physician Assistant · NPI 1124076757

Mr. Patrick William O'Brien, PA is a Physician Assistant in Phoenix, Arizona. Works from 2 locations. Licensed in Arizona and Missouri.

Licensed in
AZ, MO
In the registry since
2006
Specialties on file
3
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

9225 N 3rd St Ste 307 Emcare John C Lincoln Medical Center
Phoenix, AZ 85020-2466
Phone: (602) 870-6316
Fax: (602) 870-6091
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 300 1st Capitol Dr, Saint Charles, MO 63301-2844 — (636) 947-5000

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence 1320 (AZ)
Physician Assistant Taxonomy 363A00000X · Licence 2010041704 (MO)
Medical Physician Assistant Taxonomy 363AM0700X · Licence 1320 (AZ)

Record details

NPI number1124076757
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedMay 5, 2006
Last updated in NPPESJanuary 12, 2021
Certification dateJanuary 12, 2021
Mailing address9225 N 3rd St #307, Emcare Honor Health John C Lincoln Medical Center, Phoenix, AZ 85020

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