Quick answers
- Which hospitals does John Willis work at?
- Medicare's official clinician data lists John Willis at 5 hospitals: Deaconess Illinois Crossroads, Fairfield Memorial Hospital 1, Ferrell Hospital Community Foundations, Heartland Regional Medical Center and Wabash General Hospital 1. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Willis see patients?
- Medicare's clinician data lists 9 practice locations, including Harvey, IL, Hannibal, MO and Robinson, IL. Call before your visit to confirm the address.
- What is John Willis's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty, and also Interventional Radiology and Nuclear Medicine.
- Does John Willis accept Medicare assignment?
- Yes. Medicare's clinician data says John Willis 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 Willis?
- (219) 767-6320, as listed in official Medicare / NPI Registry data.
- What is John Willis's NPI number?
- 1326095670. 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 Willis works
Medicare's Facility Affiliation Data lists John Willis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Deaconess Illinois CrossroadsMount Vernon, IL · Acute Care Hospital · CCN 140294
- Fairfield Memorial Hospital 1Fairfield, IL · Critical Access Hospital · CCN 141311
- Ferrell Hospital Community FoundationsEldorado, IL · Critical Access Hospital · CCN 141324
- Heartland Regional Medical CenterMarion, IL · Acute Care Hospital · CCN 140184
- Wabash General Hospital 1Mount Carmel, IL · Critical Access Hospital · CCN 141327
Practice locations
Addresses where John Willis is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1 Ingalls DrHarvey, IL 60426 (219) 767‑6320
- 1 Ingalls Dr, W554Harvey, IL 60426
- 100 Medical DrHannibal, MO 63401 (217) 223‑8400
- 1000 N Allen StRobinson, IL 62454 (618) 546‑5600
- 17186 N Tolle LnMount Vernon, IL 62864 (219) 767‑6320
Group practices
Medicare enrollment lists John Willis as a member of these groups (CMS data updated 2026-10-02).
- Blessing Hospital421 clinicians in the group
- Imaging Associates of Indiana PC301 clinicians in the group
- Specialists in Medical Imaging SC234 clinicians in the group
- County of Clay76 clinicians in the group
- Crawford Hospital District72 clinicians in the group
- Asbery and Associates Ob Gyn LLC9 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Interventional Radiologyalso
- Nuclear Medicinealso
Other radiologists in Harvey
Clinicians with the same Medicare primary specialty in Harvey, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Southern Illinois University School Of Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326095670 |
| 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