What is John Williams's NPI number?

John Williams's National Provider Identifier (NPI) is 1952530008, 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 Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is John Williams located?

John Williams's practice location on file with NPPES is 760 Mountain View St, Altadena, CA 91001-4925.

What is John Williams's phone number?

The practice phone number listed in the NPPES registry for John Williams is (626) 798-6793.

Is John Williams's NPI active?

Yes — John Williams's NPI (1952530008) is active in the NPPES registry as of the last update on 2009-07-10.

IndividualActive

John Williams

NPI 1952530008 · Mental Health Counselor · Altadena, CA

John Williams is a Mental Health Counselor provider in Altadena, CA (NPI 1952530008).

Provider details

NPI number: 1952530008
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(78/100 index)

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

Registry tenure38% of score
16 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

760 Mountain View St

Altadena, CA 91001-4925

Phone: (626) 798-6793

Street-level locationGet directions

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Mailing address