David W. Trader, M.D.
Opted out of Medicare from June 2013 to June 2027. Psychiatry & Neurology, Geriatric Psychiatry (M.D.) in Los Angeles, California, licensed in CA, with an NPI issued in December 2006. Part D covered 682 prescriptions written in 2024, 85% of them generic. Biomerieux Inc reported $16.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1093878134 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Dec 19, 2006 |
| Last updated in NPPES | Jul 14, 2025 |
| Certified by provider | Jul 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Geriatric Psychiatry Primary | 2084P0805X | G48528 | CA |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | G48528 | 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 Jun 10, 2013 – Jun 10, 2027 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 682 · 1,044 30-day fills |
|---|---|
| Patients | 63 |
| Total drug cost | $100,346 |
| Generic share | 85% of claims |
Industry payments (Open Payments)
- 2025$16.00 · 1 payment from 1 company
- 2024$55.29 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biomerieux Inc | $16.00 | 1 |
What the 2025 payments were for
- Food and Beverage$16.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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