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

Gregory N Geissinger, PAC

Individual provider Physician Assistant · NPI 1699882969

Gregory N Geissinger, PAC is a Physician Assistant in Marshfield, Wisconsin. Qualified in 2000, 26 years ago. Practices with Mchs Hospitals Inc, a 1,194-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
26
Licensed in
WI
In the registry since
2006
What do these letters mean?
PAC — Physician Assistant, Certified
A physician assistant holding current national certification; usually written PA-C.

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Practice location Address checks out

1000 N Oak Ave
Marshfield, WI 54449
Phone: (715) 387-5297
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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 1225 (WI)

Record details

NPI number1699882969
Entity typeIndividual (Type 1)
GenderMale
Credentials PAC
Sole proprietorNo
NPI enumeratedAugust 24, 2006
Last updated in NPPESNovember 17, 2022
Mailing address1000 N Oak Ave, Marshfield, WI 54449-5777

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice McHs Hospitals Inc — 1194 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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