John Clinton Walker, MD
NPI 1750478731ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Overland Park, KS
Orthopaedic Surgery, Hand Surgery (MD) in Overland Park, Kansas, trained at Washington University School of Medicine (class of 2002). 147 Medicare patients in 2024, $68,372 paid; all of their 106 Part D prescriptions were generic. Acumed LLC was the largest of 5 companies reporting payments in 2025, $761.10 in all, mostly food and beverage.
Overview
| NPI | 1750478731 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 9, 2006 |
| Last updated in NPPES | Jul 29, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | 04-33052 | KS |
| Orthopaedic Surgery, Hand Surgery | 207XS0106X | 2008009826 | 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 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 (KS); Practitioner - Orthopedic Surgery (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 147 |
|---|---|
| Services billed | 794 across 54 procedure codes |
| Paid by Medicare | $68,372 |
Part D prescriptions in 2024
| Prescriptions (claims) | 106 · 108 30-day fills |
|---|---|
| Patients | 87 |
| Total drug cost | $846.35 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Orthopedic Surgery |
| Secondary specialties | Hand Surgery |
Medical group
- Signature Medical Group of Kc PAOverland Park, KS · 27 clinicians
Hospital affiliation
- Adventhealth South Overland Park, IncOverland Park, KS
Industry payments (Open Payments)
- 2025$761.10 · 10 payments from 5 companies
- 2024$409.49 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acumed LLC | $361.70 | 4 |
| Stryker Corporation | $328.21 | 2 |
| Ferring Pharmaceuticals Inc. | $37.00 | 2 |
| Bioventus LLC | $19.31 | 1 |
| Fidia Pharma USA Inc. | $14.88 | 1 |
What the 2025 payments were for
- Food and Beverage$761.10 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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