Robert William Buster, M.D.
NPI 1841343076ActiveIndividual· Internal Medicine, Geriatric Medicine· Orange, CA
Internal Medicine, Geriatric Medicine (M.D.) in Orange, California, licensed in CA, with an NPI issued in January 2007. Part D covered 21 prescriptions written in 2024, 100% of them generic.
Overview
| NPI | 1841343076 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 19, 2007 |
| Last updated in NPPES | Oct 15, 2021 |
| Certified by provider | Oct 15, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | A24799 | 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 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 21 · 41 30-day fills |
|---|---|
| Total drug cost | $1,086 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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