Rosalyn Cha, LCSW
Clinical Social Worker · San Mateo, CA
Rosalyn Cha, LCSW is a clinical social worker with a practice address in San Mateo, California, and NPI 1952967010, issued on May 14, 2019. Check the license (California 97986, 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
- Rosalyn Cha
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 97986 CA
Self-reported in NPPES; status is on the state search - Practice location
- 120 N EL Camino Real, San Mateo, CA 94401
- Phone
- (650) 576-5146
- Enumerated
- May 14, 2019
- Record last updated
- Nov 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20251217004428); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 120 N 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 Rosalyn Cha in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 97986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Rosalyn Cha among 36,261 clinical social worker records in California
Rosalyn Cha, LCSW 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 2019, is newer than 67% of them.
- NPI issued2019 · 67% of these records are older, 28% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated2015 · median 2012 among the 4,008 with a school on file
- 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).
140 clinical social worker records list a practice address in San Mateo
They are 140 of the 3,909 NPPES records with a practice address in San Mateo, 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 San Mateo → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Patricia Aguirre, LCSW,PHDSan Mateo, CA 944011164575106
- Ellen Crane, LCSWSan Mateo, CA 944011124439989
- Wendy Daniels, LCSWSan Mateo, CA 944011881711745
- Melina Garcia, ACSWSan Mateo, CA 944011912497074
- Joan Haller, MSWSan Mateo, CA 944011396957353
- Jeffrey Hylton, LCSWSan Mateo, CA 944011104976281
- Robert Livingstone, LCSWSan Mateo, CA 944011003052168
- Jonathan Mitchelmore, LCSWSan Mateo, CA 944011023398963
Common questions
What is Rosalyn Cha, LCSW's NPI number?
Rosalyn Cha, LCSW's National Provider Identifier (NPI) is 1952967010, issued on May 14, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Rosalyn Cha, LCSW located?
The NPPES record lists a practice address at 120 N EL Camino Real, San Mateo, CA, 94401. Phone: (650) 576-5146. Providers update this record themselves, so call before visiting.
How can I verify Rosalyn Cha, LCSW's license?
NPPES lists California license number 97986, 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.