David Marquez
NPI 1588952717 · Social Worker · San Francisco, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Marquez is a Social Worker provider in San Francisco, CA (NPI 1588952717).
Provider details
- NPI number
- 1588952717
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
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
- 2011-07-21
- Last updated
- 2025-06-05
- Certified
- 2025-06-05
Frequently asked questions
- What is David Marquez's NPI number?
- David Marquez's National Provider Identifier (NPI) is 1588952717, 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 Social Worker (Behavioral Health & Social Service Providers).
- Where is David Marquez located?
- David Marquez's practice location on file with NPPES is 755 S Van Ness Ave, San Francisco, CA 94110-1908.
- What is David Marquez's phone number?
- The practice phone number listed in the NPPES registry for David Marquez is (415) 642-4527.
- Does David Marquez accept Medicare?
- David Marquez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Marquez's NPI active?
- Yes — David Marquez's NPI (1588952717) is active in the NPPES registry as of the last update on 2025-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.