Quick answers
- Where does Erwin Thimm see patients?
- Medicare's clinician data lists 16 practice locations, including Naperville, IL, Schaumburg, IL and Tinley Park, IL. Call before your visit to confirm the address.
- What is Erwin Thimm's specialty?
- Medicare lists Interventional Radiology as the primary specialty.
- Does Erwin Thimm accept Medicare assignment?
- Yes. Medicare's clinician data says Erwin Thimm 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 Erwin Thimm?
- (630) 355-8000, as listed in official Medicare / NPI Registry data.
- What is Erwin Thimm's NPI number?
- 1609857242. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Erwin Thimm is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 16; the Medicare profile lists all.
- 100 Spalding Dr, Suite 3Naperville, IL 60540 (630) 355‑8000
- 120 Spalding Dr, Suite 309Naperville, IL 60540 (630) 527‑6360
- 1220 Hobson Rd, Suite 204Naperville, IL 60540 (630) 416‑7766
- 1259 Rickert Dr, Suite 101Naperville, IL 60540 (630) 355‑1300
- 1325 N Meacham RdSchaumburg, IL 60173 (630) 469‑9200
Group practices
Medicare enrollment lists Erwin Thimm as a member of these groups (CMS data updated 2026-10-02).
- Dupage Medical Group Ltd1,322 clinicians in the group
- The South Bend Clinic LLC175 clinicians in the group
- Radiology and Nuclear Associates SC4 clinicians in the group
Specialties
- Interventional Radiologyprimary
Other interventional radiologists 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 | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609857242 |
| 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
- 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