Gretchen A. Diem, PHD
NPI 1972521946ActiveIndividual· Psychologist· Madison, WI
Psychologist (PHD) in Madison, Wisconsin, licensed in WI and CA, with an NPI issued in July 2006. Enrolled in Medicare as practitioner - clinical psychologist.
Overview
| NPI | 1972521946 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PHD |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Apr 8, 2021 |
| Certified by provider | Apr 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychologist Primary | 103T00000X | 2591-57 | WI |
| Psychologist | 103T00000X | PSY19404 | 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 (WI) |
|---|
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Clinical Psychologist |
| Telehealth | Offers telehealth |
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