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

Tammy Johnsen, NP

Individual provider Nurse Practitioner · NPI 1073713913

Tammy Johnsen, NP is a Nurse Practitioner in Waukesha, Wisconsin. Qualified in 2003, 23 years ago. Practices with Prohealth Medical Group Inc, a 472-clinician group and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
23
Licensed in
IL, WI
In the registry since
2007
Specialties on file
2
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

721 American Ave Ste 403
Waukesha, WI 53188-5071
Phone: (262) 549-1516
Fax: (262) 549-0648
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 7504 (WI)
Nurse Practitioner Taxonomy 363L00000X · Licence 209005063 (IL)

Record details

NPI number1073713913
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJuly 19, 2007
Last updated in NPPESAugust 22, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Prohealth Medical Group Inc — 472 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Waukesha