What is John Williams's NPI number?

John Williams's National Provider Identifier (NPI) is 1619959194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Williams's specialty?

John Williams is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is John Williams located?

John Williams's practice location on file with NPPES is 800 West Maple Street, Medical Lake, WA 99022-0800.

What is John Williams's phone number?

The practice phone number listed in the NPPES registry for John Williams is (509) 299-3121.

Is John Williams's NPI active?

Yes — John Williams's NPI (1619959194) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Williams, PHD

NPI 1619959194 · Psychologist · Medical Lake, WA

John Williams, PHD is a Psychologist provider in Medical Lake, WA (NPI 1619959194).

Provider details

NPI number: 1619959194
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PHD
Sex: Male
License: PY00000769 (WA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense PY00000769 (WA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 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

800 West Maple Street

Medical Lake, WA 99022-0800

Phone: (509) 299-3121

Fax: (509) 299-7015

Street-level locationGet directions

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Mailing address