Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Gretchen Herrmann, PAC

Individual provider Physician Assistant · NPI 1669677464

Gretchen Herrmann, PAC is a Physician Assistant in Kettering, Ohio. Qualified in 2008, 18 years ago. Practices with Allina Health System, a 3,867-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
18
Licensed in
OH
In the registry since
2007
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

3535 Southern Blvd
Kettering, OH 45429-1221
Phone: (937) 395-8166
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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 2480 (OH)

Record details

NPI number1669677464
Entity typeIndividual (Type 1)
GenderFemale
Credentials PAC
Sole proprietorNo
NPI enumeratedJune 20, 2007
Last updated in NPPESMarch 11, 2021
Certification dateMarch 11, 2021

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Allina Health System — 3867 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations11 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients89
Services billed 194 a service is one billed item, such as a visit, a test or a procedure
Average patient age70

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Allina Health System

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 3867 clinicians in the practice; 12 are shown here.

Other providers in Kettering