Ronald Hayes, MD
NPI 1114985504ActiveIndividual· Anesthesiology· Joliet, IL
Anesthesiology (MD) in Joliet, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1988). Mostly services rather than prescriptions: Medicare paid $11,695 for 65 patients in 2024, with only 15 Part D claims. Merck Sharp & Dohme LLC reported $17.08 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1114985504 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 3, 2006 |
| Last updated in NPPES | Aug 4, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 336-044899 | 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 - Anesthesiology (FL); Practitioner - Anesthesiology (GA); Practitioner - Anesthesiology (IL); Practitioner - Anesthesiology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 65 |
|---|---|
| Services billed | 88 across 43 procedure codes |
| Paid by Medicare | $11,695 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15 · 31 30-day fills |
|---|---|
| Total drug cost | $236.05 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Anesthesiology |
Medical groups
- Redreef Anesthesia Associates Chartered Indiana LLCGary, IN · 37 clinicians
- Red Reef Anesthesia IncTampa, FL · 32 clinicians
Industry payments (Open Payments)
- 2025$17.08 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $17.08 | 1 |
What the 2025 payments were for
- Food and Beverage$17.08 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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