Gregory George Caronis, MD
NPI 1659362432ActiveIndividual· Orthopaedic Surgery· Lincolnshire, IL
Orthopaedic Surgery (MD) in Lincolnshire, Illinois, trained at Northwestern University Feinberg Medical School (class of 1992). 485 Medicare patients in 2024, $199,077 paid; nearly all of their 143 Part D prescriptions were generic (99%). Stryker Corporation was the largest of 9 companies reporting payments in 2025, $537.51 in all, mostly food and beverage.
Overview
| NPI | 1659362432 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 2, 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 | 036097895 | IL |
| Orthopaedic Surgery, Foot and Ankle Surgery | 207XX0004X | 036-097895 | IL |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 485 |
|---|---|
| Services billed | 7,363 across 126 procedure codes |
| Paid by Medicare | $199,077 |
Part D prescriptions in 2024
| Prescriptions (claims) | 143 · 146 30-day fills |
|---|---|
| Patients | 95 |
| Total drug cost | $2,863 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliations
- Advocate Condell Medical CenterLibertyville, IL
- Advocate Good Shepherd HospitalBarrington, IL
- Advocate Lutheran General HospitalPark Ridge, IL
Other facilities
- Aspire Home Healthcare, LLCHome health agency · Morton Grove, IL
Industry payments (Open Payments)
- 2025$537.51 · 15 payments from 9 companies
- 2024$456.78 · 15 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $144.63 | 2 |
| Arthrex, Inc. | $130.73 | 1 |
| Ferring Pharmaceuticals Inc. | $78.52 | 4 |
| Treace Medical Concepts, Inc. | $60.96 | 3 |
| Depuy Synthes Sales Inc. | $33.42 | 1 |
What the 2025 payments were for
- Food and Beverage$537.51 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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