Quick answers
- Which hospitals does Jonathan M. Tresley work at?
- Medicare's official clinician data lists Jonathan M. Tresley at 5 hospitals: Advocate Good Samaritan Hospital, Advocate Illinois Masonic Medical Center, Edward Hospital, Elmhurst Memorial Hospital and Loyola University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan M. Tresley see patients?
- Medicare's clinician data lists 5 practice locations, including Park Ridge, IL, Elmhurst, IL and Downers Grove, IL. Call before your visit to confirm the address.
- What is Jonathan M. Tresley's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Jonathan M. Tresley accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan M. Tresley 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 Jonathan M. Tresley?
- (847) 723-2210, as listed in official Medicare / NPI Registry data.
- What is Jonathan M. Tresley's NPI number?
- 1043451081. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan M. Tresley works
Medicare's Facility Affiliation Data lists Jonathan M. Tresley at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Good Samaritan HospitalDowners Grove, IL · Acute Care Hospital · CCN 140288
- Advocate Illinois Masonic Medical CenterChicago, IL · Acute Care Hospital · CCN 140182
- Edward HospitalNaperville, IL · Acute Care Hospital · CCN 140231
- Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospital · CCN 140200
- Loyola University Medical CenterMaywood, IL · Acute Care Hospital · CCN 140276
Practice locations
Addresses where Jonathan M. Tresley is enrolled with Medicare (CMS data updated 2026-10-02).
- 1775 Dempster StPark Ridge, IL 60068 (847) 723‑2210
- 360 W Butterfield Rd, Suite 250Elmhurst, IL 60126 (630) 832‑4210
- 3815 Highland AveDowners Grove, IL 60515 (630) 275‑5900
- 639 Blackhawk DrWestmont, IL 60559 (317) 805‑4093
- 979 W Main St, Suite 201West Dundee, IL 60118 (847) 426‑9396
Group practices
Medicare enrollment lists Jonathan M. Tresley as a member of these groups (CMS data updated 2026-10-02).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
- Integrated Imaging Consultants LLC159 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Park Ridge
Clinicians with the same Medicare primary specialty in Park Ridge, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043451081 |
| 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