John Davis, CADC II
NPI 1508147505 · Addiction (Substance Use Disorder) Counselor · Napa, CA
John Davis, CADC II is a Addiction (Substance Use Disorder) Counselor provider in Napa, CA (NPI 1508147505).
Provider details
- NPI number
- 1508147505
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADC II
- Sex
- Male
- Sole proprietor
- No
- License
- A019670715 (CA)
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
14 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
- 2011-09-02
- Last updated
- 2024-11-14
- Certified
- 2024-11-14
Frequently asked questions
- What is John Davis's NPI number?
- John Davis's National Provider Identifier (NPI) is 1508147505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Davis's specialty?
- John Davis is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Davis located?
- John Davis's practice location on file with NPPES is 2751 Napa Valley Corporate Dr, Napa, CA 94558-6216.
- What is John Davis's phone number?
- The practice phone number listed in the NPPES registry for John Davis is (707) 299-1968.
- Is John Davis's NPI active?
- Yes — John Davis's NPI (1508147505) is active in the NPPES registry as of the last update on 2024-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.