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

Rachel Elizabeth Mehlenbacher, MSN, FNP

Individual provider Nurse Practitioner · NPI 1508635293

Rachel Elizabeth Mehlenbacher, MSN, FNP is a Nurse Practitioner in Three Forks, Montana. Graduated from State University of New York at Buffalo School of Medicine in 2022, 4 years ago. Practices with Three Rivers Clinic, LLC, a 6-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
4
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
MT
In the registry since
2023
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

16 Railway Ave
Three Forks, MT 59752-9080
Phone: (406) 285-3251
Fax: (833) 438-7380
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 197914 (MT)

Record details

NPI number1508635293
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , FNP
Sole proprietorNo
NPI enumeratedDecember 22, 2023
Last updated in NPPESJune 16, 2026
Certification dateJune 16, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 2022 (4 years in practice)
Group practice Three Rivers Clinic, Llc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare