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

Mr. Timothy Jon Wittwer, RN, MSN, FNP

Individual provider Family Nurse Practitioner · NPI 1982601019

Mr. Timothy Jon Wittwer, RN, MSN, FNP is a Family 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?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

5000 W National Ave Inpatient Mental Health
Milwaukee, WI 53295-0001
Phone: (414) 384-2000
Fax: (414) 382-5295
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 1314-033 (WI)

Record details

NPI number1982601019
Entity typeIndividual (Type 1)
GenderMale
Credentials RN , MSN , FNP
Sole proprietorNo
NPI enumeratedJuly 5, 2005
Last updated in NPPESDecember 27, 2019
Certification dateDecember 27, 2019

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