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

Ralph Pierce Zehler III, PA-C

Individual provider Physician Assistant · NPI 1972562643

Ralph Pierce Zehler III, PA-C is a Physician Assistant in McHenry, Illinois. Qualified in 1978, 48 years ago. Practices with Post Acute Medical PLLC, a 401-clinician group and accepts Medicare assignment. Licensed in Illinois and Washington.

Years since qualifying
48
Licensed in
IL, WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

4309 W Medical Center Dr Ste A200
McHenry, IL 60050-8437
Phone: (815) 759-8070
Fax: (815) 759-4931
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 085006771 (IL)
Surgical Physician Assistant Taxonomy 363AS0400X · Licence PA10001576 (WA)

Record details

NPI number1972562643
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedMarch 21, 2006
Last updated in NPPESJanuary 30, 2023
Certification dateJanuary 30, 2023

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1978 (48 years in practice)
Group practice Post Acute Medical Pllc — 401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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