Eileen E. Heffernan, M.D.
NPI 1609862382ActiveIndividual· Family Medicine· Joliet, IL
Family Medicine (M.D.) in Joliet, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $306,954 for 4,238 claims, against $52,708 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 14 companies reporting payments in 2025, $1,256 in all, mostly food and beverage.
Overview
| NPI | 1609862382 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 27, 2005 |
| Last updated in NPPES | Jun 26, 2025 |
| Certified by provider | Jun 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036081868 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 160 |
|---|---|
| Services billed | 633 across 18 procedure codes |
| Paid by Medicare | $52,708 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,238 · 10,350 30-day fills |
|---|---|
| Patients | 333 |
| Total drug cost | $306,954 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Family Practice |
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Saint Joseph Medical CenterJoliet, IL
- Silver Cross Hospital and Medical CentersNew Lenox, IL
Other facilities
- Aledli Home Healthcare, IncHome health agency · Clarendon Hills, IL
Industry payments (Open Payments)
- 2025$1,256 · 34 payments from 14 companies
- 2024$555.13 · 25 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $260.50 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $227.18 | 11 |
| Astrazeneca Pharmaceuticals LP | $225.28 | 2 |
| Axsome Therapeutics, Inc. | $144.82 | 2 |
| Aimmune Therapeutics, Inc. | $111.30 | 1 |
What the 2025 payments were for
- Food and Beverage$1,256 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 family medicine physicians in Joliet · All family medicine physicians in Illinois