David Marquez
NPI 1124689716 · Addiction (Substance Use Disorder) Counselor · San Jose, CA
David Marquez is a Addiction (Substance Use Disorder) Counselor provider in San Jose, CA (NPI 1124689716).
Provider details
- NPI number
- 1124689716
- 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
6 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
- 2019-06-25
- Last updated
- 2019-06-25
Frequently asked questions
- What is David Marquez's NPI number?
- David Marquez's National Provider Identifier (NPI) is 1124689716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Marquez's specialty?
- David Marquez is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is David Marquez located?
- David Marquez's practice location on file with NPPES is 2001 the Alameda, San Jose, CA 95126-1136.
- What is David Marquez's phone number?
- The practice phone number listed in the NPPES registry for David Marquez is (408) 261-7777.
- Is David Marquez's NPI active?
- Yes — David Marquez's NPI (1124689716) is active in the NPPES registry as of the last update on 2019-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.