Quick answers
- Which hospitals does Stefan C. Hamelin work at?
- Medicare's official clinician data lists Stefan C. Hamelin at 5 hospitals: Alton Memorial Hospital, Jersey Community Hospital, Memorial Hospital, OSF Saint Anthony's Health Center and Thomas H Boyd Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stefan C. Hamelin see patients?
- Medicare's clinician data lists 1 practice location in Jerseyville, IL. Call before your visit to confirm the address.
- What is Stefan C. Hamelin's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Stefan C. Hamelin accept Medicare assignment?
- Yes. Medicare's clinician data says Stefan C. Hamelin 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 Stefan C. Hamelin?
- (618) 498-6402, as listed in official Medicare / NPI Registry data.
- What is Stefan C. Hamelin's NPI number?
- 1639339187. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stefan C. Hamelin works
Medicare's Facility Affiliation Data lists Stefan C. Hamelin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alton Memorial HospitalAlton, IL · Acute Care Hospital · CCN 140002
- Jersey Community HospitalJerseyville, IL · Acute Care Hospital · CCN 140059
- Memorial HospitalBelleville, IL · Acute Care Hospital · CCN 140185
- OSF Saint Anthony's Health CenterAlton, IL · Acute Care Hospital · CCN 140052
- Thomas H Boyd Memorial HospitalCarrollton, IL · Critical Access Hospital · CCN 141300
Practice locations
Addresses where Stefan C. Hamelin is enrolled with Medicare (CMS data updated 2026-10-02).
- 400 Maple Summit RdJerseyville, IL 62052 (618) 498‑6402
Group practices
Medicare enrollment lists Stefan C. Hamelin as a member of this group (CMS data updated 2026-10-02).
- Jersey Community Hospital61 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Uniformed Services Uhs Fe Hebert School Of Med |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639339187 |
| 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