David James Diehl, M.D.
NPI 1013065192ActiveIndividual· Psychiatry & Neurology, Geriatric Psychiatry· Saline, MI
Psychiatry & Neurology, Geriatric Psychiatry (M.D.) in Saline, Michigan, trained at University of Michigan Medical School (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $138,267 for 2,414 claims, against $39,524 paid for services in 2024. Acadia Pharmaceuticals Inc reported $32.10 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1013065192 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 8, 2007 |
| Last updated in NPPES | Sep 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Geriatric Psychiatry Primary | 2084P0805X | 4301065221 | MI |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | 4301065221 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Psychiatry (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 85 |
|---|---|
| Services billed | 477 across 5 procedure codes |
| Paid by Medicare | $39,524 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,414 · 4,639 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $138,267 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Hospital affiliations
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
- 2024$32.10 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Acadia Pharmaceuticals Inc | $32.10 | 1 |
What the 2024 payments were for
- Food and Beverage$32.10 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records