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

William Edward Greer IV, PA-C

Individual provider Surgical Physician Assistant · NPI 1336397355

William Edward Greer IV, PA-C is a Physician Assistant in Springfield, Illinois. Graduated from Southern Illinois University School of Medicine in 2008, 18 years ago. Practices with Springfield Clinic, LLP, a 679-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
18
Trained at
Southern Illinois University School of Medicine
Licensed in
IL
In the registry since
2008
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

1025 S 6th St
Springfield, IL 62703-2403
Phone: (217) 528-7541
Fax: (217) 525-7616
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 085003277 (IL)
Surgical Physician Assistant Taxonomy 363AS0400X · Licence 085003277 (IL)

Record details

NPI number1336397355
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedSeptember 3, 2008
Last updated in NPPESMarch 3, 2026
Certification dateMarch 3, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Springfield Clinic, Llp — 679 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Springfield