Matthew Alcala, PSYD
NPI 1629842943 · Clinical Psychologist · Orange, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Alcala, PSYD is a Clinical Psychologist provider in Orange, CA (NPI 1629842943).
Provider details
- NPI number
- 1629842943
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- No
- License
- 35725 (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
2 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
- 2023-11-07
- Last updated
- 2026-01-22
- Certified
- 2026-01-22
Frequently asked questions
- What is Matthew Alcala's NPI number?
- Matthew Alcala's National Provider Identifier (NPI) is 1629842943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Alcala's specialty?
- Matthew Alcala is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Matthew Alcala located?
- Matthew Alcala's practice location on file with NPPES is 4000 W Metropolitan Dr Ste 405, Orange, CA 92868-3504.
- What is Matthew Alcala's phone number?
- The practice phone number listed in the NPPES registry for Matthew Alcala is (714) 667-1644.
- Does Matthew Alcala accept Medicare?
- Matthew Alcala is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Alcala's NPI active?
- Yes — Matthew Alcala's NPI (1629842943) is active in the NPPES registry as of the last update on 2026-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.