Jose E. Trejo, MSW
Clinical Social Worker · South San Francisco, CA
Jose E. Trejo, MSW is a clinical social worker with a practice address in South San Francisco, California, and NPI 1679766281, issued on Aug 27, 2007. Check the license (California 22099, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jose E. Trejo
- Credential
- MSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 22099 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 EL Camino Real, South San Francisco, CA 94080
- Phone
- (650) 742-2151
- Enumerated
- Aug 27, 2007
- Record last updated
- Apr 12, 2022
- Fax
- (650) 742-2591
- Medicare enrollment
- Enrolled (PECOS I20150318002471); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 1200 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jose E. Trejo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 22099Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncDaly City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jose E. Trejo among 36,261 clinical social worker records in California
Jose E. Trejo, MSW 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. Its NPI, issued in 2007, is newer than 9% of them.
- NPI issued2007 · 9% of these records are older, 76% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated2007 · median 2012 among the 4,008 with a school on file
- Record last updated2022 · 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).
27 clinical social worker records list a practice address in South San Francisco
They are 27 of the 1,173 NPPES records with a practice address in South San Francisco, and 36,261 clinical social worker records in California.
All 36,261 in California → Every provider in South San Francisco → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- William BrimmerSouth San Francisco, CA 940801225212269
- Megan BruceSouth San Francisco, CA 940801811398530
- Alina CazarezSouth San Francisco, CA 940801164893145
- Sara Graham, MSWSouth San Francisco, CA 940801538297247
- Marsha Guevara Aleman, LCSWSouth San Francisco, CA 940801356590434
- Eleanor Hertzler, LCSWSouth San Francisco, CA 940801417054214
- Cassandra Laterza, LCSWSouth San Francisco, CA 940801053569434
- Carrie Lee, LCSWSouth San Francisco, CA 940801447309513
Common questions
What is Jose E. Trejo, MSW's NPI number?
Jose E. Trejo, MSW's National Provider Identifier (NPI) is 1679766281, issued on Aug 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jose E. Trejo, MSW located?
The NPPES record lists a practice address at 1200 EL Camino Real, South San Francisco, CA, 94080. Phone: (650) 742-2151. Providers update this record themselves, so call before visiting.
How can I verify Jose E. Trejo, MSW's license?
NPPES lists California license number 22099, 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. Medicare files from data.cms.gov. 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.