Timothy Callahan, PSY.D.
NPI 1861850026ActiveIndividual· Psychologist, Clinical· Yellow Springs, OH
Psychologist, Clinical (PSY.D.) in Yellow Springs, Ohio, trained at Wright State University Boonshoft School of Medicine (class of 1989). Enrolled in Medicare as practitioner - clinical psychologist.
Overview
| NPI | 1861850026 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PSY.D. |
| Sole proprietor | No |
| NPI issued | Feb 3, 2016 |
| Last updated in NPPES | Feb 3, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychologist, Clinical Primary | 103TC0700X | 4411 | OH |
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 (OH) |
|---|
Education and affiliations
| Medical school | Wright State University Boonshoft School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Clinical Psychologist |
Medical group
- Layh and Associates IncYellow Springs, OH · 15 clinicians
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All 21 clinical psychologists in Yellow Springs · All clinical psychologists in Ohio