Quick answers
- Which hospitals does Dennis P. Chan work at?
- Medicare's official clinician data lists Dennis P. Chan at 2 hospitals: Northwest Community Hospital 1 and Swedish Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dennis P. Chan see patients?
- Medicare's clinician data lists 1 practice location in Arlington Heights, IL. Call before your visit to confirm the address.
- What is Dennis P. Chan's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Dennis P. Chan accept Medicare assignment?
- Yes. Medicare's clinician data says Dennis P. Chan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Dennis P. Chan?
- (847) 618-6570, as listed in official Medicare / NPI Registry data.
- What is Dennis P. Chan's NPI number?
- 1679005243. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dennis P. Chan works
Medicare's Facility Affiliation Data lists Dennis P. Chan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwest Community Hospital 1Arlington Heights, IL · Acute Care Hospital · CCN 140252
- Swedish HospitalChicago, IL · Acute Care Hospital · CCN 140114
Practice locations
Addresses where Dennis P. Chan is enrolled with Medicare (CMS data updated 2026-10-02).
- 800 W Central RdArlington Heights, IL 60005 (847) 618‑6570
Group practices
Medicare enrollment lists Dennis P. Chan as a member of this group (CMS data updated 2026-10-02).
- Radiation Oncology Associates LLC3 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679005243 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians