Matthew Williams
NPI 1285343731 · Addiction (Substance Use Disorder) Counselor · Woodland Hills, CA
Matthew Williams is a Addiction (Substance Use Disorder) Counselor provider in Woodland Hills, CA (NPI 1285343731).
Provider details
- NPI number
- 1285343731
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
Mailing address
Registry dates
- Enumerated
- 2022-11-22
- Last updated
- 2022-11-23
- Certified
- 2022-11-23
Frequently asked questions
- What is Matthew Williams's NPI number?
- Matthew Williams's National Provider Identifier (NPI) is 1285343731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Williams's specialty?
- Matthew Williams is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Matthew Williams located?
- Matthew Williams's practice location on file with NPPES is 6022 Variel Ave, Woodland Hills, CA 91367-3719.
- What is Matthew Williams's phone number?
- The practice phone number listed in the NPPES registry for Matthew Williams is (818) 996-1051.
- Is Matthew Williams's NPI active?
- Yes — Matthew Williams's NPI (1285343731) is active in the NPPES registry as of the last update on 2022-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.