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
- Entity
- Type 1 · individual
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 1,302 among the 128,048 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 hospital and facility affiliations
- County OF Sweet GrassBig Timber, MT
- Pioneer Medical CenterBig Timber, MT · Critical Access Hospitals
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1 family nurse practitioner records list a Big Timber practice address
They are 1 of the 18 NPPES records with a Big Timber practice address, and 728 family nurse practitioner records in Montana.
Other family nurse practitioner records in Montana
- Ellen Absher, FNP-CBillings, MT1609709997
- Lorraine Ackerman, FNPColumbus, MT1457301830
- Brooke Adams, APRNWhitefish, MT1790258358
- Marybeth Adams, NPBelgrade, MT1093814923
- Maggie Ahmad, CRNPKalispell, MT1396253704
- Betsy Akin, FNPGreat Falls, MT1720525991
- Catherine Akin, NPLivingston, MT1124738166
- Patricia Alderson, FNPHavre, MT1831647619
- Jacquelyn Alexander, FNPWhitefish, MT1427579473
- Bodee Alt, APRNMissoula, MT1174993703
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 1,302. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.