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

Individual provider Physician Assistant · NPI 1528671948

Joseph Christopher Marranca, PA is a Physician Assistant in Sun City, Arizona. Qualified in 2017, 9 years ago. Practices with Empower St Josephs PLLC, a 50-clinician group and accepts Medicare assignment.

Years since qualifying
9
In the registry since
2020
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

10401 W Thunderbird Blvd
Sun City, AZ 85351-3004
Phone: (623) 832-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X

Record details

NPI number1528671948
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedAugust 25, 2020
Last updated in NPPESAugust 25, 2020
Certification dateAugust 25, 2020

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Empower St Josephs Pllc — 50 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients149
Services billed 162 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Empower St Josephs PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 50 clinicians in the practice; 12 are shown here.

Other providers in Sun City