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

Karessa Mae Sims

Individual provider Registered Nurse · NPI 1033930359

Karessa Mae Sims is a Nurse Practitioner in Colstrip, Montana. Qualified in 2023, 3 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
3
Licensed in
MT
In the registry since
2024
Specialties on file
2

Practice location PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 2254
Colstrip, MT 59323-2254
Phone: (406) 529-1024
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence NUR-APRN-LIC-243612 (MT)
Registered Nurse Taxonomy 163W00000X · Licence NUR-RN-LIC-48574 (MT)

Record details

NPI number1033930359
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedOctober 19, 2024
Last updated in NPPESOctober 19, 2024
Certification dateOctober 19, 2024
Mailing addressPo Box 2254, Colstrip, MT 59323-2254

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare