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Emergency Medicine

Heather M. Prendergast, MD

Works at hospitals in Chicago, IL · Illinois

Summary

Dr. Heather M. Prendergast, MD is an emergency medicine doctor at 1000 W Ohare Term 2 Airside, Uic Emergency Medicine, Chicago, IL 60666. Phone: (773) 894-5100. Accepts Medicare assignment. In 2024, Heather M. Prendergast had 216 Original Medicare patients and 314 services. NPI 1285749192. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1000 W Ohare Term 2 Airside, Uic Emergency Medicine, Chicago, IL 60666 · Directions (1 more location)
  • Phone: (773) 894‑5100
  • Medicare: Accepts Medicare assignment
  • Hospital: University of Illinois Hospital and Clinics
  • Group practice: The Board of Trustees of the University of Illinois
  • Medical school: University Of Illinois College Of Med (chi/peor/rock/chm-Urb) · graduated 1994 (32 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Heather M. Prendergast, 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 Heather M. Prendergast accept Medicare assignment?
Yes. Medicare's clinician data says Heather M. Prendergast 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 Heather M. Prendergast see?
In 2024, CMS data shows 216 Original Medicare patients and 314 services for Heather M. Prendergast. This counts Original Medicare only and measures volume, not quality.
What is Heather M. Prendergast's NPI number?
1285749192. 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 Heather M. Prendergast, 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 patients216
Services billed to Medicare314
Different services or procedures9
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)213 services
  2. Emergency department visit with high level of medical decision making (99285)45 services
  3. Emergency department visit with moderate level of medical decision making (99284)30 services
  4. Critical care, first 30-74 minutes (99291)19 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%
  • Diabetes63%
  • Arthritis55%
  • Chronic kidney disease51%
  • Ischemic heart disease49%

Hospitals where Heather M. Prendergast works

Medicare's Facility Affiliation Data lists Heather M. Prendergast 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.

Practice locations

Addresses where Heather M. Prendergast is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Heather M. Prendergast as a member of this group (CMS data updated October 2, 2026).

  • The Board of Trustees of the University of Illinois1,150 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Illinois →

Other emergency medicine doctors in Chicago

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

All emergency medicine doctors in Chicago →

Other clinicians in The Board of Trustees of the University of Illinois

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

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year1994 (32 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1285749192
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