Sarah Walton, FNP
NPI 1558428656 · Family Nurse Practitioner · Big Timber, MT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Walton, FNP is a Family Nurse Practitioner provider in Big Timber, MT (NPI 1558428656).
Provider details
- NPI number
- 1558428656
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 100065 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 94 | 26 |
| Lisinopril | 87 | 21 |
| Amlodipine Besylate | 85 | 19 |
| Atorvastatin Calcium | 68 | 16 |
| Metoprolol Succinate | 62 | 18 |
| Omeprazole | 57 | 13 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-02
- Last updated
- 2018-04-10
Frequently asked questions
- What is Sarah Walton's NPI number?
- Sarah Walton's National Provider Identifier (NPI) is 1558428656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Walton's specialty?
- Sarah Walton is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sarah Walton located?
- Sarah Walton's practice location on file with NPPES is 701 Stock St, Big Timber, MT 59011.
- What is Sarah Walton's phone number?
- The practice phone number listed in the NPPES registry for Sarah Walton is (406) 932-4199.
- Does Sarah Walton accept Medicare?
- Sarah Walton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Walton's NPI active?
- Yes — Sarah Walton's NPI (1558428656) is active in the NPPES registry as of the last update on 2018-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.