Rosalyn Cha, LCSW
NPI 1952967010 · Clinical Social Worker · San Mateo, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rosalyn Cha, LCSW is a Clinical Social Worker provider in San Mateo, CA (NPI 1952967010).
Provider details
- NPI number
- 1952967010
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 97986 (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
7 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2019-05-14
- Last updated
- 2025-11-18
- Certified
- 2025-11-18
Frequently asked questions
- What is Rosalyn Cha's NPI number?
- Rosalyn Cha's National Provider Identifier (NPI) is 1952967010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosalyn Cha's specialty?
- Rosalyn Cha is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Rosalyn Cha located?
- Rosalyn Cha's practice location on file with NPPES is 120 N El Camino Real, San Mateo, CA 94401-2791.
- What is Rosalyn Cha's phone number?
- The practice phone number listed in the NPPES registry for Rosalyn Cha is (650) 576-5146.
- Does Rosalyn Cha accept Medicare?
- Rosalyn Cha is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rosalyn Cha's NPI active?
- Yes — Rosalyn Cha's NPI (1952967010) is active in the NPPES registry as of the last update on 2025-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.