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

Individual provider Family Medicine Physician · NPI 1902879737

Madelyn C Sieraski, MD is a Family Medicine Physician in Waukesha, 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 Partly verified

Some contact details are missing from the federal record.

Prohealth Care Medical Centers-South 2130 Big Bend Rd
Waukesha, WI 53189
Phone: (262) 928-7555
Fax: (262) 513-7575
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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 32517 (WI)

Record details

NPI number1902879737
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 10, 2006
Last updated in NPPESMarch 13, 2009

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