Quick answers
- Where does Matthew Alcala see patients?
- Medicare's clinician data lists 1 practice location in Irvine, CA. Call before your visit to confirm the address.
- What is Matthew Alcala's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Matthew Alcala accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Alcala accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Matthew Alcala?
- (949) 528-6300, as listed in official Medicare / NPI Registry data.
- What is Matthew Alcala's NPI number?
- 1629842943. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Matthew Alcala is enrolled with Medicare (CMS data updated 2026-10-02).
- 15635 Alton Pkwy, Suite 350Irvine, CA 92618 (949) 528‑6300
Group practices
Medicare enrollment lists Matthew Alcala as a member of this group (CMS data updated 2026-10-02).
- Orange County Health Psychologists Inc63 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Irvine
Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629842943 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians