Duncan L. McKellar Jr., MD
NPI 1699750323ActiveIndividual· Orthopaedic Surgery· McKinney, TX
Orthopaedic Surgery (MD) in McKinney, Texas, trained at University of Texas Medical School at Houston (class of 1983). 419 Medicare patients in 2024, $127,158 paid; nearly all of their 260 Part D prescriptions were generic (97%). Stryker Corporation was the largest of 6 companies reporting payments in 2025, $717.33 in all, mostly food and beverage.
Overview
| NPI | 1699750323 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 15, 2005 |
| Last updated in NPPES | Dec 21, 2022 |
| Certified by provider | Dec 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | G5359 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (SD); Practitioner - Orthopedic Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 419 |
|---|---|
| Services billed | 3,927 across 64 procedure codes |
| Paid by Medicare | $127,158 |
Part D prescriptions in 2024
| Prescriptions (claims) | 260 · 275 30-day fills |
|---|---|
| Patients | 109 |
| Total drug cost | $4,630 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Texas Joint Institute, PLLCSherman, TX · 38 clinicians
Hospital affiliations
- Baylor Scott and White Surgical Hospital at ShermaSherman, TX
- Medical Center of McKinneyMcKinney, TX
- Methodist McKinney HospitalMcKinney, TX
- Texoma Medical CenterDenison, TX
Other facilities
- The Home Health TeamHome health agency · Richardson, TX
- Baylor Scott & White Institute for RehabilitationInpatient rehabilitation facility · Dallas, TX
Industry payments (Open Payments)
- 2025$717.33 · 14 payments from 6 companies
- 2024$343.84 · 10 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $555.55 | 7 |
| Bioventus LLC | $58.27 | 2 |
| Innovation Technologies Inc | $48.68 | 2 |
| Vertex Pharmaceuticals Incorporated | $20.19 | 1 |
| Acera Surgical, Inc. | $19.77 | 1 |
What the 2025 payments were for
- Food and Beverage$717.33 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 21 orthopedic surgeons in McKinney · All orthopedic surgeons in Texas