Steve Warren Handoyo, MD
NPI 1033296801ActiveIndividual· Pediatrics, Pediatric Allergy/Immunology· Chicago, IL
Pediatrics, Pediatric Allergy/Immunology (MD) in Chicago, Illinois, trained at Saint Louis University School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $895,701 for 464 claims, against $16,719 paid for services in 2024. Novartis Pharmaceuticals Corporation reported $52.62 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1033296801 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Dec 2, 2024 |
| Certified by provider | Dec 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Allergy/Immunology Primary | 2080P0201X | 036116788 | IL |
| Pediatrics | 208000000X | 036-116788 | 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 - Pediatric Medicine (IL); Practitioner - Pediatric Medicine (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 82 |
|---|---|
| Services billed | 879 across 21 procedure codes |
| Paid by Medicare | $16,719 |
Part D prescriptions in 2024
| Prescriptions (claims) | 464 · 640 30-day fills |
|---|---|
| Patients | 95 |
| Total drug cost | $895,701 |
| Generic share | 43% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Pediatric Medicine |
| Secondary specialties | Allergy/Immunology |
Medical groups
- University of ChicagoChicago, IL · 1,712 clinicians
- The University of Chicago Medical CenterChicago, IL · 915 clinicians
Hospital affiliation
- The University of Chicago Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$52.62 · 1 payment from 1 company
- 2024$214.37 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $52.62 | 1 |
What the 2025 payments were for
- Food and Beverage$52.62 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Pediatrics, Pediatric Allergy/Immunology providers in Chicago
- 1811346398
- 1043690282
- 1558344788
- 1881078491
- 1235157637
- 1952361909
- 1609238575
- 1861132466
- 1699700146
- 1962455998
- 1528327665
- 1083674048
All Pediatrics, Pediatric Allergy/Immunology providers in Illinois →