Sherry Walka, FNP-C
NPI 1245664887 · Family Nurse Practitioner · Flagstaff, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sherry Walka, FNP-C is a Family Nurse Practitioner provider in Flagstaff, AZ (NPI 1245664887).
Provider details
- NPI number
- 1245664887
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- AP5152 (AZ)
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
12 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-08-31
- Last updated
- 2017-03-15
Frequently asked questions
- What is Sherry Walka's NPI number?
- Sherry Walka's National Provider Identifier (NPI) is 1245664887, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sherry Walka's specialty?
- Sherry Walka is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sherry Walka located?
- Sherry Walka's practice location on file with NPPES is 1000 N Humphreys St, Flagstaff, AZ 86001-3136.
- What is Sherry Walka's phone number?
- The practice phone number listed in the NPPES registry for Sherry Walka is (928) 214-3537.
- Does Sherry Walka accept Medicare?
- Sherry Walka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sherry Walka's NPI active?
- Yes — Sherry Walka's NPI (1245664887) is active in the NPPES registry as of the last update on 2017-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.