Alessa Anderson, AGNP-C
NPI 1649905324 · Primary Care Nurse Practitioner · Walla Walla, WA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alessa Anderson, AGNP-C is a Primary Care Nurse Practitioner provider in Walla Walla, WA (NPI 1649905324).
Provider details
- NPI number
- 1649905324
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- AGNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- AP61476145 (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
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1630 23rd Ave Bldg 2Lewiston, ID 83501-6350Phone: (208) 746-7784Fax: (208) 798-8652
Registry dates
- Enumerated
- 2022-07-18
- Last updated
- 2026-03-03
- Certified
- 2026-03-03
Frequently asked questions
- What is Alessa Anderson's NPI number?
- Alessa Anderson's National Provider Identifier (NPI) is 1649905324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alessa Anderson's specialty?
- Alessa Anderson is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alessa Anderson located?
- Alessa Anderson's practice location on file with NPPES is 77 Wainwright Dr, Walla Walla, WA 99362-3975.
- What is Alessa Anderson's phone number?
- The practice phone number listed in the NPPES registry for Alessa Anderson is (509) 525-5200.
- Does Alessa Anderson accept Medicare?
- Alessa Anderson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alessa Anderson's NPI active?
- Yes — Alessa Anderson's NPI (1649905324) is active in the NPPES registry as of the last update on 2026-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.