Mary Theisen, NP
NPI 1396248407 · Family Nurse Practitioner · Milwaukee, WI
Provider details
- NPI number
- 1396248407
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 8349-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
6 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (5)
- 110 Lone Oak LnHartford, WI 53027-2600Phone: (414) 365-8300
- 8503 75th St Ste BKenosha, WI 53142-7620Phone: (414) 365-8300
- 13111 N Port Washington RdMequon, WI 53097-2416Phone: (414) 365-8300
- 112 E Drexel AveOak Creek, WI 53154-2123Phone: (414) 365-8300
- 3232 Pleasant Valley RdWest Bend, WI 53095-9274Phone: (414) 365-8300
Registry dates
- Enumerated
- 2018-03-14
- Last updated
- 2026-03-18
- Certified
- 2026-03-18
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.