Steven John Antonini, MD
NPI 1114004652ActiveIndividual· Pediatrics· Mokena, IL
Pediatrics (MD) in Mokena, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1986). 134 Medicare patients in 2024, $29,420 paid; nearly all of their 496 Part D prescriptions were generic (94%). Merck Sharp & Dohme LLC reported $24.65 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1114004652 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Mar 1, 2022 |
| Certified by provider | Mar 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics Primary | 208000000X | 036076951 | IL |
| Pediatrics | 208000000X | 036-076951 | IL |
| Internal Medicine | 207R00000X | 036076951 | 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 Practitioner - Pediatric Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 134 |
|---|---|
| Services billed | 615 across 48 procedure codes |
| Paid by Medicare | $29,420 |
Part D prescriptions in 2024
| Prescriptions (claims) | 496 · 1,260 30-day fills |
|---|---|
| Patients | 52 |
| Total drug cost | $7,263 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Pediatric Medicine |
| Secondary specialties | Internal Medicine |
Medical group
- Health Service Systems, IncNew Lenox, IL · 68 clinicians
Hospital affiliation
- Silver Cross Hospital and Medical CentersNew Lenox, IL
Industry payments (Open Payments)
- 2024$24.65 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $24.65 | 1 |
What the 2024 payments were for
- Food and Beverage$24.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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