Dennis Chan, MD
NPI 1679005243ActiveIndividual· Radiology, Radiation Oncology· Maywood, IL
Radiology, Radiation Oncology (MD) in Maywood, Illinois, trained at Rush Medical College of Rush University (class of 2017). In 2024 Medicare paid $184,541 for 270 patients, and Part D covered 112 of their prescriptions, 79% of them generic. Siemens Medical Solutions USA, Inc. reported $17.55 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1679005243 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 1, 2017 |
| Last updated in NPPES | Oct 23, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 125.071442 | IL |
| Internal Medicine | 207R00000X | 125.071442 | IL |
| Radiology, Radiation Oncology | 2085R0001X | 4301115711 | MI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Radiation Oncology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 270 |
|---|---|
| Services billed | 2,420 across 34 procedure codes |
| Paid by Medicare | $184,541 |
Part D prescriptions in 2024
| Prescriptions (claims) | 112 · 150 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $1,773 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Radiation Oncology |
Medical group
- Radiation Oncology Associates LLCArlington Heights, IL · 3 clinicians
Hospital affiliations
- Northwest Community Hospital 1Arlington Heights, IL
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2025$17.55 · 1 payment from 1 company
- 2024$30.13 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | $17.55 | 1 |
What the 2025 payments were for
- Food and Beverage$17.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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