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

Mrs. Alissa Marie Larsen, FNP

Individual provider Family Nurse Practitioner · NPI 1528751872

Mrs. Alissa Marie Larsen, FNP is a Nurse Practitioner in Williston, North Dakota. Graduated from University of North Dakota School of Medicine in 2023, 3 years ago. Practices with McKenzie County Healthcare Systems Inc, a 64-clinician group and accepts Medicare assignment. Licensed in North Dakota.

Years since qualifying
3
Trained at
University of North Dakota School of Medicine
Licensed in
ND
In the registry since
2023
What do these letters mean?
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

1301 15th Ave W
Williston, ND 58801-3821
Phone: (701) 774-7400
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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 F05231087 (ND)

Record details

NPI number1528751872
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedJune 1, 2023
Last updated in NPPESJune 1, 2023
Certification dateJune 1, 2023

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF NORTH DAKOTA SCHOOL OF MEDICINE
Graduated 2023 (3 years in practice)
Group practice McKenzie County Healthcare Systems Inc — 64 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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