Sarah Anderson, ARNP
NPI 1659118255 · Family Nurse Practitioner · Mattawa, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Anderson, ARNP is a Family Nurse Practitioner provider in Mattawa, WA (NPI 1659118255).
Provider details
- NPI number
- 1659118255
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP61550139 (WA)
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
1 yr 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-07-10
- Last updated
- 2024-07-31
- Certified
- 2024-07-31
Frequently asked questions
- What is Sarah Anderson's NPI number?
- Sarah Anderson's National Provider Identifier (NPI) is 1659118255, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Anderson's specialty?
- Sarah Anderson is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sarah Anderson located?
- Sarah Anderson's practice location on file with NPPES is 601 Government Rd, Mattawa, WA 99349-5120.
- What is Sarah Anderson's phone number?
- The practice phone number listed in the NPPES registry for Sarah Anderson is (509) 488-5256.
- Does Sarah Anderson accept Medicare?
- Sarah Anderson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Anderson's NPI active?
- Yes — Sarah Anderson's NPI (1659118255) is active in the NPPES registry as of the last update on 2024-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.