Maria Isabel Holtrop, PSYD
NPI 1316170004ActiveIndividual· Psychologist, Clinical· Lancaster, CA
Psychologist, Clinical (PSYD) in Lancaster, California, licensed in CA, with an NPI issued in August 2009. Enrolled in Medicare as practitioner - clinical psychologist.
Overview
| NPI | 1316170004 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PSYD |
| Sole proprietor | Yes |
| NPI issued | Aug 27, 2009 |
| Last updated in NPPES | Aug 27, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychologist, Clinical Primary | 103TC0700X | PSY 22962 | 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) | Enrolled Practitioner - Clinical Psychologist (CA) |
|---|
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Clinical Psychologist |
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