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

Margaret Mary Mussfeldt, APNP

Individual provider Family Nurse Practitioner · NPI 1376360610

Margaret Mary Mussfeldt, APNP is a Nurse Practitioner in Shell Lake, Wisconsin. Qualified in 2024, 2 years ago. Practices with Indianhead Medical Center Shell Lake, Inc, an 11-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
2
Licensed in
WI
In the registry since
2024

Practice location Address checks out

113 4th Ave
Shell Lake, WI 54871-4457
Phone: (715) 468-2711
Fax: (715) 468-2727
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 16574-33 (WI)

Record details

NPI number1376360610
Entity typeIndividual (Type 1)
GenderFemale
Credentials APNP
Sole proprietorNo
NPI enumeratedSeptember 25, 2024
Last updated in NPPESJanuary 19, 2026
Certification dateJanuary 19, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Indianhead Medical Center Shell Lake, Inc. — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Shell Lake