William Feinstein, M.D.
NPI 1144373341ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Saint Louis, MO
Orthopaedic Surgery, Hand Surgery (M.D.) in Saint Louis, Missouri, trained at Saint Louis University School of Medicine (class of 1993). 433 Medicare patients in 2024, $131,474 paid; nearly all of their 232 Part D prescriptions were generic (98%). Sonex Health, Inc. was the largest of 8 companies reporting payments in 2025, $493.09 in all, mostly food and beverage.
Overview
| NPI | 1144373341 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 19, 2007 |
| Last updated in NPPES | Mar 23, 2021 |
| Certified by provider | Mar 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | 2000155783 | MO |
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 - Orthopedic Surgery (IL); Practitioner - Orthopedic Surgery (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 433 |
|---|---|
| Services billed | 1,570 across 86 procedure codes |
| Paid by Medicare | $131,474 |
Part D prescriptions in 2024
| Prescriptions (claims) | 232 · 232 30-day fills |
|---|---|
| Patients | 193 |
| Total drug cost | $33,631 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Orthopedic Associates LLCSaint Louis, MO · 14 clinicians
Hospital affiliations
- Missouri Baptist Medical CenterSaint Louis, MO
- St Lukes HospitalChesterfield, MO
Other facilities
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
- 2025$493.09 · 15 payments from 8 companies
- 2024$766.56 · 13 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sonex Health, Inc. | $176.87 | 3 |
| Acumed LLC | $152.38 | 4 |
| Endo USA, Inc. | $52.62 | 3 |
| Solventum Corporation | $30.14 | 1 |
| Convatec Inc. | $24.82 | 1 |
What the 2025 payments were for
- Food and Beverage$493.09 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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