Antonio Marquez
NPI 1659978955 · Clinical Social Worker · Irvine, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Antonio Marquez is a Clinical Social Worker provider in Irvine, CA (NPI 1659978955).
Provider details
- NPI number
- 1659978955
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 115839 (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
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 11423 187th St Ste 200Artesia, CA 90701-5657Phone: (877) 538-4133
Registry dates
- Enumerated
- 2020-10-08
- Last updated
- 2023-08-23
- Certified
- 2023-08-22
Frequently asked questions
- What is Antonio Marquez's NPI number?
- Antonio Marquez's National Provider Identifier (NPI) is 1659978955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Antonio Marquez's specialty?
- Antonio Marquez is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Antonio Marquez located?
- Antonio Marquez's practice location on file with NPPES is 4255 Campus Dr Ste A245, Irvine, CA 92612-8630.
- What is Antonio Marquez's phone number?
- The practice phone number listed in the NPPES registry for Antonio Marquez is (949) 502-0736.
- Does Antonio Marquez accept Medicare?
- Antonio Marquez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Antonio Marquez's NPI active?
- Yes — Antonio Marquez's NPI (1659978955) is active in the NPPES registry as of the last update on 2023-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.