Herbert Williams, CASAC
NPI 1265974315 · Addiction (Substance Use Disorder) Counselor · Brooklyn, NY
Herbert Williams, CASAC is a Addiction (Substance Use Disorder) Counselor provider in Brooklyn, NY (NPI 1265974315).
Provider details
- NPI number
- 1265974315
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CASAC
- Sex
- Male
- Sole proprietor
- No
- License
- 161010577
Specialties & taxonomies
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
9 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
Mailing address
Registry dates
- Enumerated
- 2016-11-07
- Last updated
- 2016-11-07
Frequently asked questions
- What is Herbert Williams's NPI number?
- Herbert Williams's National Provider Identifier (NPI) is 1265974315, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Herbert Williams's specialty?
- Herbert Williams is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Herbert Williams located?
- Herbert Williams's practice location on file with NPPES is 510 Gates Ave, Brooklyn, NY 11216-1506.
- What is Herbert Williams's phone number?
- The practice phone number listed in the NPPES registry for Herbert Williams is (718) 346-5900.
- Is Herbert Williams's NPI active?
- Yes — Herbert Williams's NPI (1265974315) is active in the NPPES registry as of the last update on 2016-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.