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

Michael T Claessens, MD

Individual provider Hospice and Palliative Medicine (Internal Medicine) Physician · NPI 1962514133

Michael T Claessens, MD is registered under Hospice/Palliative Care in Eau Claire, Wisconsin. Graduated from University of Minnesota Medical School in 1992, 34 years ago. Practices with Mayo Clinic Health System-Northwest Wisconsin Region Inc, a 799-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
34
Trained at
University of Minnesota Medical School
Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1400 Bellinger St
Eau Claire, WI 54703
Phone: (715) 838-5222
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1000 N Oak Ave, Marshfield, WI 54449 — (715) 387-5134

Specialties & licences

Hospice and Palliative Medicine (Internal Medicine) Physician (primary) Taxonomy 207RH0002X · Licence 40683 (WI)

Record details

NPI number1962514133
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESJuly 18, 2024
Certification dateJuly 18, 2024

Medicare enrollment

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

Medicare specialtyHOSPICE/PALLIATIVE CARE
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1992 (34 years in practice)
Group practice Mayo Clinic Health System-Northwest Wisconsin Region Inc — 799 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 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 patients65
Services billed 206 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

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. Those with a page here are linked.

Colleagues at Mayo Clinic Health System-Northwest Wisconsin Region Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 799 clinicians in the practice; 12 are shown here.

Other providers in Eau Claire