Timothy Raymond Niedzielak, DO
NPI 1972028421ActiveIndividual· Orthopaedic Surgery· Rockford, IL
Orthopaedic Surgery (DO) with Rockford Health Physicians and 1 other group, practicing in Rockford, Illinois. 110 Medicare patients in 2024, $66,923 paid; all of their 55 Part D prescriptions were generic. Zimmer Biomet Holdings, Inc. was the largest of 6 companies reporting payments in 2025, $3,426 in all, mostly travel and lodging. Lists Javon Bea Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1972028421 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 6, 2017 |
| Last updated in NPPES | Sep 12, 2023 |
| Certified by provider | Sep 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 036165587 | IL |
| Orthopaedic Surgery | 207X00000X | 5665 | FL |
| Orthopaedic Surgery | 207X00000X | 2022018519 | MO |
| Orthopaedic Surgery, Orthopaedic Trauma | 207XX0801X | 2022018519 | MO |
| Student in an Organized Health Care Education/Training Program | 390200000X | 5665 | FL |
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); Practitioner - Orthopedic Surgery (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 110 |
|---|---|
| Services billed | 243 across 72 procedure codes |
| Paid by Medicare | $66,923 |
Part D prescriptions in 2024
| Prescriptions (claims) | 55 · 58 30-day fills |
|---|---|
| Patients | 32 |
| Total drug cost | $259.02 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Rockford Health PhysiciansRockford, IL · 521 clinicians
- Acute Care Surgery of South Dakota PCRock Island, IL · 65 clinicians
Hospital affiliations
- Javon Bea HospitalRockford, IL
- Monument Health Rapid City HospitalRapid City, SD
Industry payments (Open Payments)
- 2025$3,426 · 18 payments from 6 companies
- 2024$538.81 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $1,365 | 8 |
| Arthrex, Inc. | $1,250 | 1 |
| Stryker Corporation | $496.36 | 4 |
| Bone Support Inc. | $135.68 | 2 |
| Depuy Synthes Sales Inc. | $90.59 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,286 · 6 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,250 · 1 payment
- Food and Beverage$890.44 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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