Sarah Walton, FNP
Family Nurse Practitioner · Big Timber, MT
Sarah Walton, FNP is a family nurse practitioner with a practice address in Big Timber, Montana, and NPI 1558428656, issued on Jan 2, 2007. Check the license (Montana 100065, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Walton
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 100065 MT
Self-reported in NPPES; status is on the state search - Practice location
- 701 Stock St, Big Timber, MT 59011
- Phone
- (406) 932-4199
- Enumerated
- Jan 2, 2007
- Record last updated
- Apr 10, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (406) 932-5468
- Medicaid ID
- 0434798 MT
- Medicare enrollment
- Enrolled (PECOS I20101104001419); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 815 in Montana → Look up another NPI →
Also registered at 701 Stock St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chelsey Clark, PA-C, RDN, CDCES,CLCPhysician Assistant1699172049
- Kelsi Wilson, PT, ATCPhysical Therapist1083049522
Verify Sarah Walton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 100065Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average family nurse practitioner in 2024
1,496 Medicare Part D claims for 119 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 46 claims were for opioids.
Most prescribed
- Losartan Potassium94 claims
- Lisinopril87 claims
- Amlodipine Besylate85 claims
- Atorvastatin Calcium68 claims
- Metoprolol Succinate62 claims
- Omeprazole57 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
2 hospitals and group practices
- County OF Sweet GrassBig Timber, MT
- Pioneer Medical CenterBig Timber, MT · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Sarah Walton among 815 family nurse practitioner records in Montana
Sarah Walton, FNP is one of 815 family nurse practitioner records with a practice address in Montana. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 15% of them.
- NPI issued2007 · 15% of these records are older, 80% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1996 · median 2018 among the 505 with a school on file
- Record last updated2018 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 family nurse practitioner record lists a practice address in Big Timber
They are 1 of the 18 NPPES records with a practice address in Big Timber, and 815 family nurse practitioner records in Montana.
All 815 in Montana → Every provider in Big Timber → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lorraine Ackerman, FNPColumbus, MT 590191457301830
- Nicole Legere, FNPColumbus, MT 590191396910006
- Rylee Studiner, DNP-FNP-CAshland, MT 590031275475139
- Sara Bonanini, MSN, APRN, NP-CCrow Agency, MT 590221801275037
- Melissa KuntzCrow Agency, MT 590221831565423
- Dianna Lande MeansCrow Agency, MT 590221629002712
- Erin Neibauer, FNPCrow Agency, MT 590221760621544
- Jennifer Debus, RNHardin, MT 590341437466653
Common questions
What is Sarah Walton, FNP's NPI number?
Sarah Walton, FNP's National Provider Identifier (NPI) is 1558428656, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Walton, FNP located?
The NPPES record lists a practice address at 701 Stock St, Big Timber, MT, 59011. Phone: (406) 932-4199. Providers update this record themselves, so call before visiting.
How can I verify Sarah Walton, FNP's license?
NPPES lists Montana license number 100065, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah Walton, FNP prescribe under Medicare Part D?
In 2024, Sarah Walton, FNP had 1,496 Medicare Part D claims for 119 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.