What is Clark Williams's NPI number?

Clark Williams's National Provider Identifier (NPI) is 1487230942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Clark Williams's specialty?

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

Where is Clark Williams located?

Clark Williams's practice location on file with NPPES is 3555 Kenyon St Ste 101, San Diego, CA 92110-5341.

What is Clark Williams's phone number?

The practice phone number listed in the NPPES registry for Clark Williams is (619) 600-0683.

Is Clark Williams's NPI active?

Yes — Clark Williams's NPI (1487230942) is active in the NPPES registry as of the last update on 2021-04-06.

IndividualActive

Clark Williams

NPI 1487230942 · Behavior Analyst · San Diego, CA

Clark Williams is a Behavior Analyst provider in San Diego, CA (NPI 1487230942).

Provider details

NPI number: 1487230942
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Behavior AnalystPrimary103K00000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(56/100 index)

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

Registry tenure38% of score
5 yrs in NPPES registry
Profile completeness38% of score
83% 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

3555 Kenyon St Ste 101

San Diego, CA 92110-5341

Phone: (619) 600-0683

Fax: (619) 600-0683

Street-level locationGet directions

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Mailing address