Richard S. Siegel, MD
NPI 1730176322ActiveIndividual· Internal Medicine, Hematology & Oncology· Arlington Heights, IL
Internal Medicine, Hematology & Oncology (MD) in Arlington Heights, Illinois, trained at University of Michigan Medical School (class of 1993). In 2024 Medicare paid $2,988,108 for 778 patients, and Part D covered 970 of their prescriptions, 84% of them generic. Novartis Pharmaceuticals Corporation was the largest of 28 companies reporting payments in 2025, $2,248 in all, mostly food and beverage.
Overview
| NPI | 1730176322 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 29, 2005 |
| Last updated in NPPES | Dec 17, 2021 |
| Certified by provider | Dec 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 036093052 | 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 - Hematology/Oncology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 778 |
|---|---|
| Services billed | 170,327 across 140 procedure codes |
| Paid by Medicare | $2,988,108 |
Part D prescriptions in 2024
| Prescriptions (claims) | 970 · 1,774 30-day fills |
|---|---|
| Patients | 218 |
| Total drug cost | $654,771 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Illinois Cancer SpecialistsArlington Heights, IL · 26 clinicians
Hospital affiliations
- Northwest Community Hospital 1Arlington Heights, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
Other facilities
- Residential Home HealthHome health agency · Schaumburg, IL
Industry payments (Open Payments)
- 2025$2,248 · 80 payments from 28 companies
- 2024$1,818 · 75 payments from 28 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $323.38 | 17 |
| Astellas Pharma US Inc | $196.35 | 5 |
| E.R. Squibb & Sons, L.L.C. | $149.34 | 6 |
| Astrazeneca Uk Limited | $134.99 | 1 |
| Sobi, Inc | $124.78 | 2 |
What the 2025 payments were for
- Food and Beverage$1,852 · 75 payments
- Education$396.04 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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