Margaret Mussfeldt, APNP
NPI 1376360610 · Family Nurse Practitioner · Shell Lake, WI
Margaret Mussfeldt, APNP is a Family Nurse Practitioner provider in Shell Lake, WI (NPI 1376360610).
Provider details
- NPI number
- 1376360610
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 16574-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2024-09-25
- Last updated
- 2026-01-19
- Certified
- 2026-01-19
Frequently asked questions
- What is Margaret Mussfeldt's NPI number?
- Margaret Mussfeldt's National Provider Identifier (NPI) is 1376360610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Mussfeldt's specialty?
- Margaret Mussfeldt is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Mussfeldt located?
- Margaret Mussfeldt's practice location on file with NPPES is 113 4th Ave, Shell Lake, WI 54871-4457.
- What is Margaret Mussfeldt's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mussfeldt is (715) 468-2711.
- Is Margaret Mussfeldt's NPI active?
- Yes — Margaret Mussfeldt's NPI (1376360610) is active in the NPPES registry as of the last update on 2026-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.