Efrain Marquez
Clinical Social Worker · Gardena, CA
Efrain Marquez is a clinical social worker with a practice address in Gardena, California, and NPI 1083989636, issued on Mar 15, 2012. Check the license (California 85607, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Efrain Marquez
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 85607 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15519 Crenshaw Blvd, Gardena, CA 90249
- Phone
- (310) 679-9126
- Enumerated
- Mar 15, 2012
- Record last updated
- May 27, 2025
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 15519 Crenshaw Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Celia AragonAddiction (Substance Use Disorder) Counselor1023378262
Verify Efrain Marquez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 85607Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Efrain Marquez among 36,261 clinical social worker records in California
Efrain Marquez is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2012, is newer than 38% of them.
- NPI issued2012 · 38% of these records are older, 58% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
167 clinical social worker records list a practice address in Gardena
They are 167 of the 4,627 NPPES records with a practice address in Gardena, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 36,261 in California → Every provider in Gardena → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Anne Choe, LCSWGardena, CA 902491205905817
- Kerry DeeneyGardena, CA 902491073793022
- Ana Estrada-WigginsGardena, CA 902491437535457
- Scott Hanada, LCSWGardena, CA 902491780731406
- Adrienne Martinez-Villegas, CSWGardena, CA 902491285852038
- Thienhuong NguyenGardena, CA 902491497903181
- Edward Padilla, MSWGardena, CA 902491902145139
- Thuy Pham, LCSWGardena, CA 902491104995125
Common questions
What is Efrain Marquez's NPI number?
Efrain Marquez's National Provider Identifier (NPI) is 1083989636, issued on Mar 15, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Efrain Marquez located?
The NPPES record lists a practice address at 15519 Crenshaw Blvd, Gardena, CA, 90249. Phone: (310) 679-9126. Providers update this record themselves, so call before visiting.
How can I verify Efrain Marquez's license?
NPPES lists California license number 85607, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.