Alan S. Oster, M.D.
NPI 1598792780ActiveIndividual· Orthopaedic Surgery· London, KY
Orthopaedic Surgery (M.D.) in London, Kentucky, trained at Boston University School of Medicine (class of 1999). 241 Medicare patients in 2024, $100,200 paid; nearly all of their 577 Part D prescriptions were generic (99%). Zimmer Biomet Holdings, Inc. was the largest of 10 companies reporting payments in 2025, $5,485 in all, mostly travel and lodging.
Overview
| NPI | 1598792780 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 26, 2006 |
| Last updated in NPPES | Feb 10, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 39540 | KY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 241 |
|---|---|
| Services billed | 2,367 across 76 procedure codes |
| Paid by Medicare | $100,200 |
Part D prescriptions in 2024
| Prescriptions (claims) | 577 · 594 30-day fills |
|---|---|
| Patients | 179 |
| Total drug cost | $7,065 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Proactive Therapy, IncFrankfort, KY · 123 clinicians
- Commonwealth Specialists of Kentucky LLCFrankfort, KY · 5 clinicians
Hospital affiliation
- Frankfort Regional Medical CenterFrankfort, KY
Other facilities
- Centerwell Home HealthHome health agency · Louisville, KY
- Frankfort Regional Healthcare at HomeHome health agency · Lexington, KY
Industry payments (Open Payments)
- 2025$5,485 · 45 payments from 10 companies
- 2024$4,335 · 23 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $4,588 | 22 |
| Stryker Corporation | $332.84 | 7 |
| Depuy Synthes Sales Inc. | $175.46 | 5 |
| Pacira Pharmaceuticals Incorporated | $162.46 | 4 |
| Blue Surgical LLC | $80.10 | 2 |
What the 2025 payments were for
- Travel and Lodging$2,993 · 10 payments
- Food and Beverage$2,446 · 34 payments
- Education$46.78 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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