What is Warren Williams's NPI number?

Warren Williams's National Provider Identifier (NPI) is 1649056946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Warren Williams's specialty?

Warren Williams is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).

Where is Warren Williams located?

Warren Williams's practice location on file with NPPES is 123 N 35th St, Seattle, WA 98103-8605.

What is Warren Williams's phone number?

The practice phone number listed in the NPPES registry for Warren Williams is (425) 999-7220.

Is Warren Williams's NPI active?

Yes — Warren Williams's NPI (1649056946) is active in the NPPES registry as of the last update on 2023-09-04.

IndividualActive

Warren Williams, RDN

NPI 1649056946 · Registered Dietitian · Seattle, WA

Warren Williams, RDN is a Registered Dietitian provider in Seattle, WA (NPI 1649056946).

Provider details

NPI number: 1649056946
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RDN
Sex: Male
Sole proprietor: Yes
License: DI61477838 (WA)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense DI61477838 (WA)
Dietary & Nutritional Service Providers

Profile Score

Established profile(58/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
2 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

123 N 35th St

Seattle, WA 98103-8605

Phone: (425) 999-7220

Street-level locationGet directions

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Mailing address