Gema Diaz, LMFT
NPI 1134390610 · Marriage & Family Therapist · Brea, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gema Diaz, LMFT is a Marriage & Family Therapist provider in Brea, CA (NPI 1134390610).
Provider details
- NPI number
- 1134390610
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- No
- License
- 125783 (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)
- 500 South Maint StSuite 1100Orange, CA 92868Phone: (714) 955-6565
Registry dates
- Enumerated
- 2008-03-12
- Last updated
- 2025-02-26
- Certified
- 2025-02-26
Frequently asked questions
- What is Gema Diaz's NPI number?
- Gema Diaz's National Provider Identifier (NPI) is 1134390610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gema Diaz's specialty?
- Gema Diaz is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Gema Diaz located?
- Gema Diaz's practice location on file with NPPES is 3350 E Birch St Ste 206, Brea, CA 92821-6267.
- What is Gema Diaz's phone number?
- The practice phone number listed in the NPPES registry for Gema Diaz is (562) 431-8822.
- Does Gema Diaz accept Medicare?
- Gema Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gema Diaz's NPI active?
- Yes — Gema Diaz's NPI (1134390610) is active in the NPPES registry as of the last update on 2025-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.