Tony L. Chien, D.O.
NPI 1477617025ActiveIndividual· Orthopaedic Surgery· Saint Louis, MO
Orthopaedic Surgery (D.O.) in Saint Louis, Missouri, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 1998). 296 Medicare patients in 2024, $209,509 paid; all of their 6,969 Part D prescriptions were generic. Salix Pharmaceuticals, A Division of Bausch Health US, LLC was the largest of 4 companies reporting payments in 2025, $184.09 in all, mostly food and beverage.
Overview
| NPI | 1477617025 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Dec 20, 2006 |
| Last updated in NPPES | Dec 21, 2023 |
| Certified by provider | Dec 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 2008016777 | MO |
| Orthopaedic Surgery | 207X00000X | 10081 | ND |
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 (IL); Practitioner - Orthopedic Surgery (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 296 |
|---|---|
| Services billed | 4,040 across 39 procedure codes |
| Paid by Medicare | $209,509 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,969 · 6,991 30-day fills |
|---|---|
| Patients | 464 |
| Total drug cost | $143,187 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Orthopedic Surgery |
Hospital affiliations
- Mercy Hospital JeffersonCrystal City, MO
- Washington County Memorial HospitalPotosi, MO
Industry payments (Open Payments)
- 2025$184.09 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $121.18 | 1 |
| Abbvie Inc. | $29.29 | 1 |
| Collegium Pharmaceutical, Inc. | $17.40 | 1 |
| Protega Pharmaceutials Inc | $16.22 | 1 |
What the 2025 payments were for
- Food and Beverage$184.09 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery providers in Saint Louis
- 1003060880
- 1225494941
- 1467224048
- 1902195837
- 1710262464
- 1114955861
- 1437328572
- 1952372096
- 1124288352
- 1578635710
- 1427580992
- 1861772261