Thomas Derek Kowalik, M.D.
NPI 1023307899ActiveIndividual· Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery· Hillsboro, OR
Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery (M.D.) with University Professional Services and 1 other group, practicing in Hillsboro, Oregon. Mostly services rather than prescriptions: Medicare paid $97,066 for 207 patients in 2024, with only 31 Part D claims. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $179.12 in all, mostly food and beverage. Lists Columbia Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1023307899 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 1, 2011 |
| Last updated in NPPES | Nov 30, 2021 |
| Certified by provider | Nov 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery Primary | 207XS0114X | 171470 | OR |
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 (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 207 |
|---|---|
| Services billed | 442 across 26 procedure codes |
| Paid by Medicare | $97,066 |
Part D prescriptions in 2024
| Prescriptions (claims) | 31 · 36 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $2,417 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
Medical groups
- University Professional ServicesBeaverton, OR · 1,724 clinicians
- Tuality Medical Group LLCHillsboro, OR · 297 clinicians
Hospital affiliations
- Columbia Memorial HospitalAstoria, OR
- Hillsboro Medical CenterHillsboro, OR
- Ohsu Hospital and ClinicsPortland, OR
Other facilities
- Amedisys Home Health CareHome health agency · Portland, OR
Industry payments (Open Payments)
- 2025$179.12 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $161.89 | 1 |
| Zimmer Biomet Holdings, Inc. | $17.23 | 1 |
What the 2025 payments were for
- Food and Beverage$179.12 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records