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Diagnostic Radiology

William B. Hearn, DO

Works at hospitals in O Fallon, IL · Effingham, IL · Litchfield, IL … · Illinois

Summary

William B. Hearn, DO (Diagnostic Radiology) is listed by Medicare at 5 hospitals in O Fallon, IL, Effingham, IL and Litchfield, IL and other places. NPI 1043259252. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about William B. Hearn, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
Kansas City University Of Med & Biosciences, College Of Osteo MedMedical school
MaleGender (as listed)
Central Illinois Radiological Associates LtdGroup practice

Quick answers

Which hospitals does William B. Hearn work at?
Medicare's official clinician data lists William B. Hearn at 5 hospitals: HSHS St Elizabeth's Hospital, St Anthonys Memorial Hospital, St Francis Hospital, St Johns Hospital and St Marys Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William B. Hearn see patients?
Medicare's clinician data lists 1 practice location in Fort Myers, FL. Call before your visit to confirm the address.
What is William B. Hearn's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does William B. Hearn accept Medicare assignment?
Yes. Medicare's clinician data says William B. Hearn 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 William B. Hearn?
(309) 740-4272, as listed in official Medicare / NPI Registry data.
What is William B. Hearn's NPI number?
1043259252. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William B. Hearn works

Medicare's Facility Affiliation Data lists William B. Hearn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where William B. Hearn is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists William B. Hearn as a member of this group (CMS data updated 2026-10-02).

  • Central Illinois Radiological Associates Ltd209 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Florida →

Other radiologists in Fort Myers

Clinicians with the same Medicare primary specialty in Fort Myers, FL — not a recommendation.

All radiologists in Fort Myers →

Clinician information

CredentialDO
Medical schoolKansas City University Of Med & Biosciences, College Of Osteo Med
Graduation year1985
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043259252
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians