John Timberlake, PSY.D.
NPI 1881075281ActiveIndividual· Psychologist, Clinical· Los Alamitos, CA
Psychologist, Clinical (PSY.D.) in Los Alamitos, California, licensed in CA, with an NPI issued in June 2015. Medicare paid $58,126 for services to 31 patients in 2024.
Overview
| NPI | 1881075281 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PSY.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 11, 2015 |
| Last updated in NPPES | Dec 11, 2025 |
| Certified by provider | Dec 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychologist, Clinical Primary | 103TC0700X | 27332 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 31 |
|---|---|
| Services billed | 525 across 3 procedure codes |
| Paid by Medicare | $58,126 |
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All 28 clinical psychologists in Los Alamitos · All clinical psychologists in California