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

Brett A. Linzer, MD

Individual provider Internal Medicine Physician · NPI 1083686653

Brett A. Linzer, MD is a Pediatric Medicine in Oconomowoc, Wisconsin. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1996, 30 years ago. Licensed in Wisconsin.

Years since qualifying
30
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
WI
In the registry since
2006
Specialties on file
2
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

1185 Corporate Center Dr Prohealth Care Medical Associates Inc
Oconomowoc, WI 53066-4887
Phone: (262) 928-8400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 42014 (WI)
Pediatrics Physician Taxonomy 208000000X · Licence 42014 (WI)

Record details

NPI number1083686653
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 7, 2006
Last updated in NPPESApril 13, 2012
Mailing address1185 Corporate Center Dr, Prohealth Care Medical Associates, Inc., Oconomowoc, WI 53066-4887

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Also practisesINTERNAL MEDICINE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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