Samir D. Undevia, MD
NPI 1740228857ActiveIndividual· Internal Medicine, Hematology & Oncology· Naperville, IL
Internal Medicine, Hematology & Oncology (MD) in Naperville, Illinois, trained at New York University School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $2,406,173 for 1,147 claims, against $96,722 paid for services in 2024. Array Biopharma Inc was the largest of 5 companies reporting payments in 2025, $110.27 in all, mostly food and beverage.
Overview
| NPI | 1740228857 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 2, 2006 |
| Last updated in NPPES | Apr 29, 2026 |
| Certified by provider | Apr 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 036102127 | 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 - Hematology/Oncology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 334 |
|---|---|
| Services billed | 1,395 across 13 procedure codes |
| Paid by Medicare | $96,722 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,147 · 2,068 30-day fills |
|---|---|
| Patients | 218 |
| Total drug cost | $2,406,173 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Edward HospitalNaperville, IL
- Elmhurst Memorial HospitalElmhurst, IL
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2025$110.27 · 5 payments from 5 companies
- 2024$163.01 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Array Biopharma Inc | $24.05 | 1 |
| Novartis Pharmaceuticals Corporation | $23.78 | 1 |
| Pfizer Inc. | $22.05 | 1 |
| E.R. Squibb & Sons, L.L.C. | $21.42 | 1 |
| Merck Sharp & Dohme LLC | $18.97 | 1 |
What the 2025 payments were for
- Food and Beverage$110.27 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 hematologist-oncologists in Naperville · All hematologist-oncologists in Illinois