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

Individual provider Physician Assistant · NPI 1326849407

Joseph Williamson III, PA-C is a Physician Assistant in Greer, South Carolina. Qualified in 2024, 2 years ago. Practices with Self Regional Healthcare, a 156-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
2
Licensed in
SC
In the registry since
2025
Specialties on file
2
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

405 Lancaster Ave
Greer, SC 29650-1235
Phone: (864) 977-7000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 102 Rockcreek Blvd, Greenwood, SC 29649-8915 — (864) 725-5020
  • 22580 Highway 76 E Ste 300, Laurens, SC 29360-8460 — (864) 939-1070

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 5815 (SC)
Physician Assistant Taxonomy 363A00000X

Record details

NPI number1326849407
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedMarch 24, 2025
Last updated in NPPESJune 10, 2025
Certification dateJune 10, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Self Regional Healthcare — 156 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Greer