Tad Gerlinger, M.D.
Opted out of Medicare from July 2025 to July 2027. Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery (M.D.) in Chicago, Illinois, licensed in IL, WV and TX, with an NPI issued in October 2005. Medicare paid $363,277 for services to 780 patients in 2024, and Part D covered 894 of their prescriptions (99% generic). Smith+nephew, Inc. was the largest of 4 companies reporting payments in 2025, $88,662 in all, mostly royalty or license.
Overview
| NPI | 1922097971 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 20, 2005 |
| Last updated in NPPES | Apr 4, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery Primary | 207XS0114X | 036111139 | IL |
| Orthopaedic Surgery | 207X00000X | 23111 | WV |
| Orthopaedic Surgery | 207X00000X | M4089 | TX |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jul 1, 2025 – Jul 1, 2027 |
| Can order and refer | Yes |
| Accepts assignment | Yes (participating) |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Medicare services in 2024
| Medicare patients | 780 |
|---|---|
| Services billed | 7,645 across 47 procedure codes |
| Paid by Medicare | $363,277 |
Part D prescriptions in 2024
| Prescriptions (claims) | 894 · 900 30-day fills |
|---|---|
| Patients | 308 |
| Total drug cost | $5,092 |
| Generic share | 99% of claims |
Industry payments (Open Payments)
- 2025$88,662 · 9 payments from 4 companies
- 2024$96,630 · 17 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Smith+nephew, Inc. | $87,901 | 5 |
| Vertex Pharmaceuticals Incorporated | $511.23 | 2 |
| Kyocera Medical Technologies, Inc. | $199.63 | 1 |
| Solventum Corporation | $50.00 | 1 |
What the 2025 payments were for
- Royalty or License$82,051 · 4 payments
- Consulting Fee$6,348 · 2 payments
- Food and Beverage$263.36 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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