Gregory Ernest Koch, PSY.D.
NPI 1730180852ActiveIndividual· Psychologist, Group Psychotherapy· San Diego, CA
Opted out of Medicare from July 2022 to July 2028. Psychologist, Group Psychotherapy (PSY.D.) in San Diego, California, licensed in CA, with an NPI issued in August 2005.
Overview
| NPI | 1730180852 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PSY.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 10, 2005 |
| Last updated in NPPES | Sep 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychologist, Group Psychotherapy Primary | 103TP2701X | PSY19917 | CA |
| Psychologist, Cognitive & Behavioral | 103TB0200X | PSY19917 | CA |
| Psychologist, Clinical | 103TC0700X | PSY19917 | CA |
| Psychologist, Clinical Child & Adolescent | 103TC2200X | PSY19917 | CA |
| Psychologist | 103T00000X | PSY19917 | 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 |
|---|---|
| Opt-out | Opted out Jul 1, 2022 – Jul 1, 2028 |
| Can order and refer | No |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
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