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

Mrs. Mary Margaret Birschbach, OTR

Individual provider Occupational Therapist · NPI 1477710929

Mrs. Mary Margaret Birschbach, OTR is registered under Occupational Therapist in Private Practice in Menomonee Falls, Wisconsin. Qualified in 2000, 26 years ago. Practices with Aurora Advanced Healthcare, Inc, a 1,101-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
26
Licensed in
WI
In the registry since
2008
What do these letters mean?
OTR — Occupational Therapist, Registered
A nationally registered occupational therapist.

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Practice location Address checks out

N84W16889 Menomonee Ave
Menomonee Falls, WI 53051-2810
Phone: (262) 250-1870
Fax: (262) 532-1588
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 3799-26 (WI)

Record details

NPI number1477710929
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR
Sole proprietorNo
NPI enumeratedMay 21, 2008
Last updated in NPPESMarch 30, 2026
Certification dateMarch 30, 2026

Medicare enrollment

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

Medicare specialtyOCCUPATIONAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Aurora Advanced Healthcare, Inc. — 1101 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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 patients15
Services billed 433 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

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.

Colleagues at Aurora Advanced Healthcare, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1101 clinicians in the practice; 12 are shown here.

Other providers in Menomonee Falls