Heather M. Prendergast

  • Chicago, IL
  • Emergency medicine physician
NPI1285749192PAC ID1951388545
Medicare services, 2024
307
Medicare patients, 2024
216
Part D claims, 2024
18
Publications
26
MIPS score, 2024
93
Practice address
1740 West Taylor St Suite 1400, Chicago, IL 60612
Practice phone
Call (312) 996-3900
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University of Illinois Hospital

Hospital · Chicago, Illinois

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Heather M. Prendergast is an emergency medicine physician in Chicago, Illinois

Heather Prendergast practices at University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System.

Heather Prendergast's NPI, 1285749192, was assigned on August 20, 2006. Heather Prendergast graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1994.

NPI and contact details
Medicare PAC ID
1951388545
NPI enumeration date
August 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(312) 996-3900
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Heather M. Prendergast practices at University of Illinois Hospital in Chicago, Illinois

Heather Prendergast's primary practice is University of Illinois Hospital, at 1740 West Taylor St Suite 1400, Chicago, IL 60612 in Cook County. The practice phone is (312) 996-3900.

Source: Dmand AI Affiliation Data

Heather M. Prendergast is affiliated with 2 sites of care and 2 medical groups

Heather Prendergast's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System. The medical group on file is University of Illinois Physicians Group (UIPG). Dmand AI also links Heather Prendergast to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Heather Prendergast

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Heather M. Prendergast's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Heather Prendergast practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University of Illinois HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Heather M. Prendergast is one of 2,385 emergency medicine physicians in Illinois

Emergency medicine is Heather Prendergast's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Heather Prendergast has a license on file in Illinois.

Specialties and state licenses

  • Emergency medicine, Illinoistaxonomy 207P00000X

Emergency medicine physicians near Heather Prendergast

Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Heather M. Prendergast billed Medicare for 307 services in 2024

CMS data shows 307 Medicare services from Heather Prendergast across 4 procedure codes in 2024, for 216 Medicare patients. Medicare paid $14,003 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024307
Medicare patients216
Paid by Medicare$14,003
Procedure codes4

Heather Prendergast's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 1542024: 21338%
Office and hospital visits
2023: 692024: 9436%

Heather Prendergast compared with the Illinois median for emergency medicine physicians, 2024

  • Heather Prendergast
  • Illinois median
Medicare services
307vs 27412% above
Medicare patients
216vs 27321% below
Part D claims
23vs 4549% below

Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.

Heather Prendergast's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Heather Prendergast

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Heather M. Prendergast treated 216 Medicare patients in 2024, average age 67

CMS counts 216 Medicare patients who saw Heather Prendergast in 2024. The largest group is 65 to 74, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 70% are also on Medicaid. Their average risk score is 3.45, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Heather Prendergast's median patient age at 56, with 56% women.

Medicare patients, 2024216
Average age67
Average risk score3.45
Also on Medicaid70%

Heather Prendergast's Medicare patients by age, 2024

Heather Prendergast's Medicare patients by sex, 2024

  • Women13663%
  • Men8037%

Chronic conditions among Heather Prendergast's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes63%
  4. Arthritis55%
  5. Chronic kidney disease51%
  6. Ischemic heart disease49%
  7. Heart failure45%
  8. Mood disorders38%

Share of Medicare patients with each condition. A patient can have several.

Heather Prendergast's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women56%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Heather M. Prendergast wrote 18 Medicare Part D claims in 2024

In 2024, Heather Prendergast wrote 18 Medicare Part D claims for 14 patients. 100% of them were for generic drugs. They cover 1 drug, with $118 in total drug cost. In 2017, CMS named 34 claims across 2 drugs.

Part D claims, 202418
Drugs named by CMS1
Total drug cost$118
Part D patients14

Heather Prendergast's most prescribed drugs by claims, 2018

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2017 to 2018

  • 2017
  • 2018
Claims for drugs CMS names
2017: 342018: 2332%

Drugs named by CMS: 1 in 2018, 2 in 2017.

See all prescribing by Heather Prendergast

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Heather M. Prendergast scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Heather Prendergast for performance year 2024, reported as part of a group. Heather Prendergast accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Heather Prendergast's MIPS scores, performance year 2024

  • 93of 100Final score
  • 73.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Heather M. Prendergast has 26 publications on record

Dmand AI links 26 papers to Heather Prendergast, published from 2014 to 2025. 2021 was the busiest year, with 3. The most frequent topics are Emergency Service, Hospital, Hypertension and Antihypertensive Agents. Heather Prendergast has published most often in J Natl Med Assoc. Heather Prendergast's most frequent co-authors are Samuel Calvert Dudley, MD, PhD, Mark L. Mackey, MD and Diego Armando Marquez, MD.

Papers26
Years published2014 to 2025

Heather Prendergast's papers by year, 2015 to 2025

Topics Heather Prendergast writes about most

  • Emergency Service, Hospital
  • Hypertension
  • Antihypertensive Agents
  • Blood Pressure
  • Black or African American
  • COVID-19
  • Heart Diseases
  • Minority Groups

Heather Prendergast's most frequent co-authors

Recent publications by Heather Prendergast

See all 26 publications and co-authors

See who Heather Prendergast researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Heather Prendergast works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Heather M. Prendergast graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)

Heather Prendergast graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1994.

  1. Medical schoolUniversity of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)

Source: Dmand AI Professional Profile Data

Sources for Heather M. Prendergast's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Heather M. Prendergast

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Heather M. Prendergast's NPI number?

Heather M. Prendergast's NPI number is 1285749192. It was assigned on August 20, 2006, and it is active in the NPI Registry.

What does Heather M. Prendergast specialize in?

Heather M. Prendergast is an emergency medicine physician in Chicago, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Heather M. Prendergast practice?

Heather Prendergast practices at 1740 West Taylor St Suite 1400, Chicago, IL 60612. Heather Prendergast's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System. Dmand AI also links Heather Prendergast to 1 group practice or clinic and 1 medical group.

What is Heather M. Prendergast's office phone number?

The practice phone on file for Heather Prendergast is (312) 996-3900.

Which hospitals is Heather M. Prendergast affiliated with?

Heather Prendergast practices at University of Illinois Hospital in Chicago, Illinois.

What medical group is Heather M. Prendergast part of?

Heather Prendergast is linked to University of Illinois Physicians Group (UIPG). Dmand AI links Heather Prendergast to 1 more medical group.

Does Heather M. Prendergast accept Medicare?

Yes. CMS data shows Heather Prendergast billed Medicare for 307 services in 2024, and Heather Prendergast accepts Medicare assignment.

What is Heather M. Prendergast's MIPS score?

Heather Prendergast's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.

How many Medicare patients does Heather M. Prendergast see?

CMS counts 216 Medicare patients who saw Heather Prendergast in 2024, with an average age of 67.

What services does Heather M. Prendergast bill to Medicare?

In 2024, Heather Prendergast's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and emergency department visit (99284).

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Where did Heather M. Prendergast go to medical school?

Heather Prendergast graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1994.

What drugs does Heather M. Prendergast prescribe most?

In 2018 Medicare Part D data, Heather Prendergast's most prescribed drugs by claims were Acetaminophen-Codeine.

How long has Heather M. Prendergast been practicing?

Heather Prendergast graduated from medical school in 1994, 32 years ago.

Does Heather M. Prendergast do research?

Dmand AI links 26 publications to Heather Prendergast, published from 2014 to 2025.

Who does Heather M. Prendergast publish with?

Heather Prendergast's most frequent co-authors are Samuel Calvert Dudley, MD, PhD (3 shared papers), Mark L. Mackey, MD (2 shared papers) and Diego Armando Marquez, MD (2 shared papers).

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