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

Sarah Walton, FNP

Individual provider Family Nurse Practitioner · NPI 1558428656

Sarah Walton, FNP is a Nurse Practitioner in Big Timber, Montana. Qualified in 1996, 30 years ago. Practices with County of Sweet Grass, an 8-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
30
Licensed in
MT
In the registry since
2007
What do these letters mean?
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

701 Stock St Ste 2
Big Timber, MT 59011
Phone: (406) 932-4199
Fax: (406) 932-5468
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 100065 (MT)

Record details

NPI number1558428656
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedJanuary 2, 2007
Last updated in NPPESApril 10, 2018
Mailing addressPo Box 1228, Big Timber, MT 59011-1228

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice County Of Sweet Grass — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare