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

Individual provider Nephrology Physician · NPI 1306946256

Brian H Ewert, MD is a Nephrology in Marshfield, Wisconsin. Graduated from Northwestern University Feinberg Medical School in 1985, 41 years ago. Practices with Mchs Hospitals Inc, a 1,194-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
41
Trained at
Northwestern University Feinberg 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

1000 N Oak Ave
Marshfield, WI 54449
Phone: (715) 387-5345
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 32983 (WI)

Record details

NPI number1306946256
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 22, 2006
Last updated in NPPESMarch 10, 2025
Certification dateMarch 10, 2025
Mailing address1000 N Oak Ave, Marshfield, WI 54449-5777

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1985 (41 years in practice)
Group practice McHs Hospitals Inc — 1194 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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