William Davis, R.A.S.
NPI 1487895181 · Addiction (Substance Use Disorder) Counselor · Carson, CA
William Davis, R.A.S. is a Addiction (Substance Use Disorder) Counselor provider in Carson, CA (NPI 1487895181).
Provider details
- NPI number
- 1487895181
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- R.A.S.
- 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
17 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
- 2009-03-10
- Last updated
- 2009-03-10
Frequently asked questions
- What is William Davis's NPI number?
- William Davis's National Provider Identifier (NPI) is 1487895181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Davis's specialty?
- William Davis is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is William Davis located?
- William Davis's practice location on file with NPPES is 637 E Albertoni St Ste 200, Carson, CA 90746-1543.
- What is William Davis's phone number?
- The practice phone number listed in the NPPES registry for William Davis is (310) 217-0616.
- Is William Davis's NPI active?
- Yes — William Davis's NPI (1487895181) is active in the NPPES registry as of the last update on 2009-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.