Quick answers
- Which hospitals does John M. Cerny work at?
- Medicare's official clinician data lists John M. Cerny at 4 hospitals: Deaconess Illinois Union County, Heartland Regional Medical Center, Herrin Hospital and Memorial Hospital of Carbondale. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John M. Cerny see patients?
- Medicare's clinician data lists 2 practice locations, including Anna, IL. Call before your visit to confirm the address.
- What is John M. Cerny's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John M. Cerny accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Cerny 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 John M. Cerny?
- (618) 833-3300, as listed in official Medicare / NPI Registry data.
- What is John M. Cerny's NPI number?
- 1407852825. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John M. Cerny works
Medicare's Facility Affiliation Data lists John M. Cerny at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Deaconess Illinois Union CountyAnna, IL · Critical Access Hospital · CCN 141342
- Heartland Regional Medical CenterMarion, IL · Acute Care Hospital · CCN 140184
- Herrin HospitalHerrin, IL · Acute Care Hospital · CCN 140011
- Memorial Hospital of CarbondaleCarbondale, IL · Acute Care Hospital · CCN 140164
Practice locations
Addresses where John M. Cerny is enrolled with Medicare (CMS data updated 2026-10-02).
- 515 N Main StAnna, IL 62906 (618) 833‑3300
- 517 N Main StAnna, IL 62906 (618) 833‑4511
Specialties
- Family Practiceprimary
Other family doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University College Of Medicine |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407852825 |
| 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