Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Katherine M Hasselbrink, PA-C

Individual provider Physician Assistant · NPI 1992735385

Katherine M Hasselbrink, PA-C is a Physician Assistant in Milwaukee, Wisconsin. Qualified in 2004, 22 years ago. Practices with Froedtert South Inc, a 156-clinician group and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
22
Licensed in
IL, WI
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.

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Practice location Address checks out

111 E Wisconsin Ave
Milwaukee, WI 53202-4815 Not confirmed with CMS for 17 years — call before visiting
Phone: (414) 290-6720
Fax: (414) 290-6755
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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 1754-023 (WI)
Physician Assistant Taxonomy 363A00000X · Licence 085-002263 (IL)

Record details

NPI number1992735385
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJuly 3, 2006
Last updated in NPPESJanuary 29, 2009

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Froedtert South Inc — 156 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 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 patients227
Services billed 436 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

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 Froedtert South Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 156 clinicians in the practice; 12 are shown here.

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