Ryon Michael Hennessy, MD
NPI 1093717480ActiveIndividual· Orthopaedic Surgery· Elmhurst, IL
Orthopaedic Surgery (MD) in Elmhurst, Illinois, trained at Rush Medical College of Rush University (class of 1991). 410 Medicare patients in 2024, $157,880 paid; nearly all of their 224 Part D prescriptions were generic (96%). Zimmer Biomet Holdings, Inc. was the largest of 2 companies reporting payments in 2025, $297.53 in all, mostly food and beverage.
Overview
| NPI | 1093717480 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 15, 2005 |
| Last updated in NPPES | Dec 10, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 036-093298 | 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 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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 410 |
|---|---|
| Services billed | 3,067 across 84 procedure codes |
| Paid by Medicare | $157,880 |
Part D prescriptions in 2024
| Prescriptions (claims) | 224 · 232 30-day fills |
|---|---|
| Patients | 117 |
| Total drug cost | $5,438 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Orthopedic Specialists SCElmhurst, IL · 10 clinicians
Hospital affiliation
- Elmhurst Memorial HospitalElmhurst, IL
Industry payments (Open Payments)
- 2025$297.53 · 6 payments from 2 companies
- 2024$148.45 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $228.43 | 2 |
| Bioventus LLC | $69.10 | 4 |
What the 2025 payments were for
- Food and Beverage$297.53 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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