Courtney Diaz, MSW, LCSW
NPI 1538352497 · Clinical Social Worker · San Jose, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Courtney Diaz, MSW, LCSW is a Clinical Social Worker provider in San Jose, CA (NPI 1538352497).
Provider details
- NPI number
- 1538352497
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 27438 (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
18 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)
- 160 E Virginia StSuite 280San Jose, CA 95112-5857Phone: (408) 287-6200Fax: (408) 998-1535
Registry dates
- Enumerated
- 2007-08-23
- Last updated
- 2019-09-10
Frequently asked questions
- What is Courtney Diaz's NPI number?
- Courtney Diaz's National Provider Identifier (NPI) is 1538352497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Courtney Diaz's specialty?
- Courtney Diaz is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Courtney Diaz located?
- Courtney Diaz's practice location on file with NPPES is 1340 Tully Rd Ste 304, San Jose, CA 95122.
- What is Courtney Diaz's phone number?
- The practice phone number listed in the NPPES registry for Courtney Diaz is (408) 271-3900.
- Does Courtney Diaz accept Medicare?
- Courtney Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Courtney Diaz's NPI active?
- Yes — Courtney Diaz's NPI (1538352497) is active in the NPPES registry as of the last update on 2019-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.