Elizabeth W. Heredia
NPI 1194755843ActiveIndividual· Family Medicine· St Charles, IL
Family Medicine in St Charles, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $99,976 for 2,372 claims, against $48,455 paid for services in 2024. Organon LLC reported $10.32 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1194755843 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jul 4, 2006 |
| Last updated in NPPES | Apr 4, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036092002 | 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 - Pediatric Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 152 |
|---|---|
| Services billed | 591 across 40 procedure codes |
| Paid by Medicare | $48,455 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,372 · 5,976 30-day fills |
|---|---|
| Patients | 266 |
| Total drug cost | $99,976 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Pediatric Medicine |
Medical groups
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Medicine Kishwaukee HospitalDekalb, IL
- Northwestern Medicine McHenryMcHenry, IL
Other facilities
- Marianjoy Rehabilitation CenterInpatient rehabilitation facility · Wheaton, IL
Industry payments (Open Payments)
- 2025$10.32 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organon LLC | $10.32 | 1 |
What the 2025 payments were for
- Food and Beverage$10.32 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 family medicine physicians in St Charles · All family medicine physicians in Illinois