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Diagnostic Radiology

Vincent J. Zata, MD

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

Summary

Dr. Vincent J. Zata, MD is a radiologist at 1 Saint Elizabeth Blvd, O Fallon, IL 62269. Phone: (618) 234-2120. Accepts Medicare assignment. In 2024, Vincent J. Zata had 1,973 Original Medicare patients and 2,667 services. NPI 1184820334. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 1 Saint Elizabeth Blvd, O Fallon, IL 62269 · Directions (11 more locations)
  • Phone: (618) 234‑2120
  • Medicare: Accepts Medicare assignment
  • Hospitals: HSHS St Elizabeth's Hospital, St Francis Hospital, St Johns Hospital and 2 more
  • Group practice: Central Illinois Radiological Associates Ltd
  • Medical school: St. Louis College Of Physicians And Surgeons · graduated 2004 (22 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Vincent J. Zata, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Vincent J. Zata accept Medicare assignment?
Yes. Medicare's clinician data says Vincent J. Zata accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Vincent J. Zata see?
In 2024, CMS data shows 1,973 Original Medicare patients and 2,667 services for Vincent J. Zata. This counts Original Medicare only and measures volume, not quality.
What is Vincent J. Zata's NPI number?
1184820334. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Vincent J. Zata, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients1,973
Services billed to Medicare2,667
Different services or procedures97
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. X-ray of chest, 1 view (71045)424 services
  2. X-ray of chest, 2 views (71046)241 services
  3. Ct scan of chest without contrast (71250)235 services
  4. Ct scan of abdomen and pelvis with contrast (74177)184 services
  5. Ct scan of blood vessels of chest with contrast (71275)168 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease57%
  • Arthritis53%
  • Heart failure41%
  • Diabetes40%

Hospitals where Vincent J. Zata works

Medicare's Facility Affiliation Data lists Vincent J. Zata at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140187
  • St Francis HospitalLitchfield, IL · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 141350
  • St Johns HospitalSpringfield, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140053
  • St Josephs HospitalBreese, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140145
  • St Marys HospitalDecatur, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140166

Practice locations

Addresses where Vincent J. Zata is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.

Group practices

Medicare enrollment lists Vincent J. Zata as a member of this group (CMS data updated October 2, 2026).

  • Central Illinois Radiological Associates Ltd209 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Illinois →

Other radiologists in O Fallon

Clinicians with the same Medicare primary specialty in O Fallon, IL — not a recommendation.

All radiologists in O Fallon →

Other clinicians in Central Illinois Radiological Associates Ltd

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolSt. Louis College Of Physicians And Surgeons
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184820334
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians