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

Joseph Greg Williamson, PA

Individual provider Physician Assistant · NPI 1386651933

Joseph Greg Williamson, PA is a Physician Assistant in Anderson, Indiana. Qualified in 2002, 24 years ago. Practices with Central Indiana Orthopedics LLC, a 146-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
24
Licensed in
IN
In the registry since
2006
Specialties on file
2
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

2610 Enterprise Dr
Anderson, IN 46013-9684
Phone: (765) 683-4400
Fax: (765) 213-3713
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 14300 E 138th Ste B, Fishers, IN 46037-0051 — (800) 622-6575

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence 10000604A (IN)
Physician Assistant Taxonomy 363A00000X · Licence 10000604A (IN)

Record details

NPI number1386651933
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedAugust 2, 2006
Last updated in NPPESJanuary 16, 2025
Certification dateJanuary 16, 2025
Mailing address3600 W Bethel Ave, Muncie, IN 47304-5407

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Central Indiana Orthopedics Llc — 146 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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