Dr. Eileen E. Heffernan, MD
- Medicare services, 2024
- 557
- Medicare patients, 2024
- 160
- Part D claims, 2024
- 4,238
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 333 Madison St, Joliet, IL 60435
- Practice phone
- Call (815) 725-7133
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Joseph Medical Center - Joliet
Joliet, Illinois
Find Dr. Heffernan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Eileen E. Heffernan is a family medicine physician in Joliet, Illinois
Dr. Heffernan practices at St Joseph Medical Center - Joliet in Joliet, Illinois.
Dr. Heffernan's NPI, 1609862382, was assigned on September 27, 2005. Dr. Heffernan graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1986. Dr. Heffernan holds Illinois license 036081868.
- NPI
- 1609862382NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921052168
- NPI enumeration date
- September 27, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 725-7133
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eileen E. Heffernan practices at St Joseph Medical Center - Joliet in Joliet, Illinois
Dr. Heffernan's primary practice is St Joseph Medical Center - Joliet, at 333 Madison St, Joliet, IL 60435 in Will County. The practice phone is (815) 725-7133.
- St Joseph Medical Center - Joliet333 Madison St, Joliet, IL 60435 · Will CountyPhone(815) 725-7133
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eileen E. Heffernan is affiliated with 5 sites of care and 1 medical group
Dr. Heffernan's primary practice is St Joseph Medical Center - Joliet in Joliet, Illinois. Dr. Heffernan is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is Northwestern Medicine Central DuPage Hospital. Dmand AI also links Dr. Heffernan to 2 more hospitals and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eileen E. Heffernan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Heffernan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Joseph Medical Center - Joliet | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eileen E. Heffernan is one of 5,105 family medicine physicians in Illinois
Family medicine is Dr. Heffernan's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Heffernan is licensed in Illinois.
Specialties and state licenses
- Family medicine, IllinoisPrimary
Family medicine physicians near Dr. Heffernan
Counts of family 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
Dr. Eileen E. Heffernan billed Medicare for 557 services in 2024
CMS data shows 557 Medicare services from Dr. Heffernan across 6 procedure codes in 2024, for 160 Medicare patients. Medicare paid $48,518 for them. Every service was in an office.
Dr. Heffernan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4742024: 37421%
- Other services
- 2023: 1692024: 14912%
- Tests and treatments
- 2023: 302024: 3413%
Dr. Heffernan compared with the Illinois median for family medicine physicians, 2024
- Dr. Heffernan
- Illinois median
- Medicare services
- 557vs 35656% above
- Medicare patients
- 160vs 160Close to median
- Part D claims
- 3,619vs 6185.9 times
Medians across 5,015 family medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Heffernan'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Heffernan and other family medicine physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eileen E. Heffernan treated 160 Medicare patients in 2024, average age 73
CMS counts 160 Medicare patients who saw Dr. Heffernan in 2024. The largest group is 65 to 74, with 73 patients. 75% of them have diabetes, and 75% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Heffernan's median patient age at 65, with 67% women.
Dr. Heffernan's Medicare patients by age, 2024
Dr. Heffernan's Medicare patients by sex, 2024
- Women12578%
- Men3522%
Chronic conditions among Dr. Heffernan's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Ischemic heart disease20%
- Anxiety18%
- COPD14%
- Atrial fibrillation13%
Share of Medicare patients with each condition. A patient can have several.
Dr. Heffernan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women67%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eileen E. Heffernan wrote 4,238 Medicare Part D claims in 2024
In 2024, Dr. Heffernan wrote 4,238 Medicare Part D claims for 333 patients. 89% of them were for generic drugs. CMS names the drug for 3,619 of them, across 80 drugs with 11 or more claims each, at $208,985 in total drug cost. In 2023, CMS named 3,491 claims across 85 drugs.
Dr. Heffernan's Part D claims by kind of drug, 2024
- Generic3,782 claims89%
- Brand-name430 claims10%
- Other26 claims1%
Dr. Heffernan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Heffernan's Part D claims, 2024
- Opioids4%155 of 4,238 claims
- Antibiotics6%244 of 4,238 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,4912024: 3,6194%
Drugs named by CMS: 80 in 2024, 85 in 2023.
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
How Dr. Eileen E. Heffernan takes part in Medicare
Dr. Heffernan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Eileen E. Heffernan has 1 publication on record
Dmand AI links 1 paper to Dr. Heffernan. Dr. Heffernan's most frequent co-authors are Hector F. Bonilla, MD, Joseph E. Levitt, MD and Richard Barry Moss, MD.
Dr. Heffernan's most frequent co-authors
- Hector F. Bonilla, MD1 shared paper
- Joseph E. Levitt, MD1 shared paper
- Richard Barry Moss, MD1 shared paper
Recent publications by Dr. Heffernan
See who Dr. Heffernan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Heffernan works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Eileen E. Heffernan received $6,583 in industry payments from 2016 to 2025
CMS Open Payments shows 371 general payments to Dr. Heffernan from 48 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $665.
General payments to Dr. Heffernan by program year, 2016 to 2025
General payments to Dr. Heffernan by kind, 2016 to 2025
- Food and beverage$6,52199%
- Education$611%
Companies that paid Dr. Heffernan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eileen E. Heffernan graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Heffernan graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eileen E. Heffernan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Eileen E. Heffernan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Eileen E. Heffernan's NPI number?
Dr. Eileen E. Heffernan's NPI number is 1609862382. It was assigned on September 27, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Eileen E. Heffernan?
Dr. Eileen E. Heffernan is a family medicine physician in Joliet, Illinois. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Eileen E. Heffernan practice?
Dr. Heffernan practices at 333 Madison St, Joliet, IL 60435. Dr. Heffernan's primary practice is St Joseph Medical Center - Joliet in Joliet, Illinois. Dmand AI also links Dr. Heffernan to 2 hospitals and 1 home health agency.
What is Dr. Eileen E. Heffernan's office phone number?
The practice phone on file for Dr. Heffernan is (815) 725-7133.
What is Dr. Eileen E. Heffernan's medical license number?
Dr. Heffernan holds Illinois license 036081868.
Which hospitals is Dr. Eileen E. Heffernan affiliated with?
Dr. Heffernan is affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Heffernan to 2 more hospitals.
What medical group is Dr. Eileen E. Heffernan part of?
Dr. Heffernan is linked to Northwestern Medicine Central DuPage Hospital.
Does Dr. Eileen E. Heffernan accept Medicare?
Yes. CMS data shows Dr. Heffernan billed Medicare for 557 services in 2024, and Dr. Heffernan accepts Medicare assignment.
How many Medicare patients does Dr. Eileen E. Heffernan see?
CMS counts 160 Medicare patients who saw Dr. Heffernan in 2024, with an average age of 73.
What services does Dr. Eileen E. Heffernan bill to Medicare?
In 2024, Dr. Heffernan's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
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Where did Dr. Eileen E. Heffernan go to medical school?
Dr. Heffernan graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1986.
What drugs does Dr. Eileen E. Heffernan prescribe most?
In 2024 Medicare Part D data, Dr. Heffernan's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Losartan Potassium.
Has Dr. Eileen E. Heffernan received payments from drug or device companies?
CMS Open Payments shows $6,583 in general payments to Dr. Heffernan from 48 companies from 2016 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Eileen E. Heffernan been practicing?
Dr. Heffernan graduated from medical school in 1986, 40 years ago.
Does Dr. Eileen E. Heffernan do research?
Dmand AI links 1 publication to Dr. Heffernan.
Who does Dr. Eileen E. Heffernan publish with?
Dr. Heffernan's most frequent co-authors are Hector F. Bonilla, MD (1 shared paper), Joseph E. Levitt, MD (1 shared paper) and Richard Barry Moss, MD (1 shared paper).
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