William Haynes
NPI 1891984100 · Addiction (Substance Use Disorder) Counselor · San Bernardino, CA
William Haynes is a Addiction (Substance Use Disorder) Counselor provider in San Bernardino, CA (NPI 1891984100).
Provider details
- NPI number
- 1891984100
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
18 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
- 2007-10-23
- Last updated
- 2007-10-23
Frequently asked questions
- What is William Haynes's NPI number?
- William Haynes's National Provider Identifier (NPI) is 1891984100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Haynes's specialty?
- William Haynes is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is William Haynes located?
- William Haynes's practice location on file with NPPES is 1963 N E St, San Bernardino, CA 92405-3919.
- What is William Haynes's phone number?
- The practice phone number listed in the NPPES registry for William Haynes is (909) 881-6146.
- Is William Haynes's NPI active?
- Yes — William Haynes's NPI (1891984100) is active in the NPPES registry as of the last update on 2007-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.