Stephen Joseph Demartini, MD
NPI 1083509434ActiveIndividual· Orthopaedic Surgery· Chicago, IL
Orthopaedic Surgery (MD) in Chicago, Illinois, licensed in IL, with an NPI issued in June 2025. Enrolled in Medicare as order and referring only - orthopedic surgery. Depuy Synthes Sales Inc. was the largest of 2 companies reporting payments in 2025, $218.74 in all, mostly food and beverage.
Overview
| NPI | 1083509434 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 9, 2025 |
| Last updated in NPPES | Jul 16, 2025 |
| Certified by provider | Jul 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 125.086506 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | IL |
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 Order and Referring Only - Orthopedic Surgery (IL) |
|---|
Industry payments (Open Payments)
- 2025$218.74 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Depuy Synthes Sales Inc. | $203.09 | 6 |
| Stryker Corporation | $15.65 | 1 |
What the 2025 payments were for
- Food and Beverage$218.74 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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