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

Dr. Michael J Westerhaus, MA, MD

Individual provider Internal Medicine Physician · NPI 1396882759

Dr. Michael J Westerhaus, MA, MD is an Internal Medicine in St Paul, Minnesota. Graduated from Harvard Medical School in 2006, 20 years ago. Practices with Group Health Plan Inc, a 1,633-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Minnesota.

Years since qualifying
20
Trained at
Harvard Medical School
Licensed in
MN
In the registry since
2007
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

451 N Dunlap Street Mail Stop 32700A Healthpartners Midway Clinic-Center FO
St Paul, MN 55104-2595
Phone: (651) 647-2100
Fax: (651) 647-2201
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 54640 (MN)

Record details

NPI number1396882759
Entity typeIndividual (Type 1)
GenderMale
Credentials MA , MD
Sole proprietorNo
NPI enumeratedFebruary 1, 2007
Last updated in NPPESMay 7, 2020
Certification dateMay 7, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2006 (20 years in practice)
Group practice Group Health Plan Inc — 1633 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

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