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

John M. Ostergaard, MD

Individual provider Family Medicine Physician · NPI 1578536090

John M. Ostergaard, MD is a Family Medicine Physician in Brookfield, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

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

2085 N Calhoun Road Prohealth Care Medical Associates Inc
Brookfield, WI 53005
Phone: (262) 928-7100
Fax: (262) 513-7111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 28790 (WI)

Record details

NPI number1578536090
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 8, 2006
Last updated in NPPESNovember 9, 2011
Mailing addressN17 W24100 Riverwood Drive, Prohealth Care Medical Associates, Inc., Waukesha, WI 53188-1177

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