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

Mrs. Ann Elizabeth Wittwer, NP

Individual provider Adult Health Nurse Practitioner · NPI 1598769911

Mrs. Ann Elizabeth Wittwer, NP is an Adult Health Nurse Practitioner in Milwaukee, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2005.

Licensed in
WI
In the registry since
2005
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

5000 W National Ave Yellow Clinic
Milwaukee, WI 53295
Phone: (414) 384-2000
Fax: (414) 398-4198
Show map & directions

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 1836-033 (WI)

Record details

NPI number1598769911
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJune 13, 2005
Last updated in NPPESJuly 13, 2026

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