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

Mary Jo Willis, NP

Individual provider Nurse Practitioner · NPI 1679537294

Mary Jo Willis, NP is a Nurse Practitioner in Madison, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

2880 University Ave
Madison, WI 53705
Phone: (608) 263-7500
Fax: (608) 833-6932
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 43266 (WI)

Record details

NPI number1679537294
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedApril 12, 2006
Last updated in NPPESJuly 13, 2026
Mailing address8007 Excelsior Drive, Madison, WI 53717

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