Kathryn Williams, FNP-C
NPI 1699594994 · Family Nurse Practitioner · Anacortes, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Williams, FNP-C is a Family Nurse Practitioner provider in Anacortes, WA (NPI 1699594994).
Provider details
- NPI number
- 1699594994
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- F06240088 (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
- 2024-10-04
- Last updated
- 2024-10-04
- Certified
- 2024-10-04
Frequently asked questions
- What is Kathryn Williams's NPI number?
- Kathryn Williams's National Provider Identifier (NPI) is 1699594994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Williams's specialty?
- Kathryn Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Williams located?
- Kathryn Williams's practice location on file with NPPES is 1500 Commercial Ave, Anacortes, WA 98221-2235.
- What is Kathryn Williams's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Williams is (360) 399-7732.
- Does Kathryn Williams accept Medicare?
- Kathryn Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Williams's NPI active?
- Yes — Kathryn Williams's NPI (1699594994) is active in the NPPES registry as of the last update on 2024-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.