Marcus Davis
NPI 1588476667 · Addiction (Substance Use Disorder) Counselor · Vallejo, CA
Marcus Davis is a Addiction (Substance Use Disorder) Counselor provider in Vallejo, CA (NPI 1588476667).
Provider details
- NPI number
- 1588476667
- 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
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2025-01-24
- Last updated
- 2025-01-24
- Certified
- 2025-01-24
Frequently asked questions
- What is Marcus Davis's NPI number?
- Marcus Davis's National Provider Identifier (NPI) is 1588476667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Davis's specialty?
- Marcus Davis is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Marcus Davis located?
- Marcus Davis's practice location on file with NPPES is 604 Broadway St, Vallejo, CA 94590-3323.
- What is Marcus Davis's phone number?
- The practice phone number listed in the NPPES registry for Marcus Davis is (707) 643-2748.
- Is Marcus Davis's NPI active?
- Yes — Marcus Davis's NPI (1588476667) is active in the NPPES registry as of the last update on 2025-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.