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

Mr. Mark R Zellmer, PA-C

Individual provider Physician Assistant · NPI 1023013364

Mr. Mark R Zellmer, PA-C is a Physician Assistant in Whitehall, Wisconsin. Qualified in 1983, 43 years ago. Practices with Tri-County Memorial Hospital Inc, a 76-clinician group and accepts Medicare assignment. Licensed in Minnesota and Wisconsin.

Years since qualifying
43
Licensed in
MN, WI
In the registry since
2005
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

18606 Ervin St
Whitehall, WI 54773-8613
Phone: (715) 538-4355
Show map & directions

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

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 507 (WI)
Physician Assistant Taxonomy 363A00000X · Licence 8874 (MN)

Record details

NPI number1023013364
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJune 14, 2005
Last updated in NPPESFebruary 8, 2023
Certification dateFebruary 8, 2023

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1983 (43 years in practice)
Group practice Tri-County Memorial Hospital Inc — 76 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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