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

Mary Ann Sonsalla, MD

Individual provider Internal Medicine Physician · NPI 1336112283

Mary Ann Sonsalla, MD is an Internal Medicine Physician in Muskego, 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.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Prohealth Care Medical Centers-Muskego S69 W15636 Janesville Rd
Muskego, WI 53150
Phone: (262) 928-7000
Fax: (414) 422-2075
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 40980 (WI)

Record details

NPI number1336112283
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 10, 2006
Last updated in NPPESMarch 13, 2009

Other providers in Muskego