Gregory N. Nelson Jr., M.D.
NPI 1114174265ActiveIndividual· Orthopaedic Surgery· Bridgeton, MO
Orthopaedic Surgery (M.D.) in Bridgeton, Missouri, trained at Yale University School of Medicine (class of 2008). 154 Medicare patients in 2024, $72,506 paid; nearly all of their 721 Part D prescriptions were generic (99%). Zimmer Biomet Holdings, Inc. was the largest of 10 companies reporting payments in 2025, $28,041 in all, mostly consulting fees.
Overview
| NPI | 1114174265 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 20, 2008 |
| Last updated in NPPES | Nov 19, 2020 |
| Certified by provider | Nov 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 2017006909 | MO |
| Specialist | 174400000X | 49237 | AZ |
| Orthopaedic Surgery | 207X00000X | 25MA09367900 | NJ |
| Orthopaedic Surgery | 207X00000X | MD448629 | PA |
| Orthopaedic Surgery | 207X00000X | 49237 | AZ |
| Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery | 207XS0114X | 49237 | AZ |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 154 |
|---|---|
| Services billed | 543 across 81 procedure codes |
| Paid by Medicare | $72,506 |
Part D prescriptions in 2024
| Prescriptions (claims) | 721 · 823 30-day fills |
|---|---|
| Patients | 254 |
| Total drug cost | $11,997 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Orthopedic Associates LLCSaint Louis, MO · 14 clinicians
Hospital affiliations
- Missouri Baptist Medical CenterSaint Louis, MO
- Ssm St Clare Health CenterFenton, MO
- St Lukes HospitalChesterfield, MO
Other facilities
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
- 2025$28,041 · 43 payments from 10 companies
- 2024$270.36 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $23,632 | 30 |
| Fx Shoulder Solutions, Inc | $4,000 | 1 |
| Stryker Corporation | $234.07 | 4 |
| Bioventus LLC | $43.64 | 2 |
| Solventum Corporation | $30.15 | 1 |
What the 2025 payments were for
- Consulting Fee$23,563 · 7 payments
- Travel and Lodging$3,585 · 13 payments
- Food and Beverage$893.28 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery providers in Bridgeton
- 1972401297
- 1326090515
- 1023034857
- 1184642993
- 1508889577
- 1255357091
- 1447202197
- 1982702726
- 1154347995