Nancy Reau, MD
NPI 1164585683ActiveIndividual· Internal Medicine, Gastroenterology· Burr Ridge, IL
Internal Medicine, Gastroenterology (MD) in Burr Ridge, Illinois, trained at Ohio State University College of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $1,544,782 for 839 claims, against $61,872 paid for services in 2024. Salix Pharmaceuticals, A Division of Bausch Health US, LLC was the largest of 15 companies reporting payments in 2025, $49,050 in all, mostly consulting fees.
Overview
| NPI | 1164585683 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 18, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | — | 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 - Gastroenterology (IL); Practitioner - Gastroenterology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 388 |
|---|---|
| Services billed | 576 across 10 procedure codes |
| Paid by Medicare | $61,872 |
Part D prescriptions in 2024
| Prescriptions (claims) | 839 · 1,440 30-day fills |
|---|---|
| Patients | 159 |
| Total drug cost | $1,544,782 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Rush University Medical GroupChicago, IL · 1,551 clinicians
Hospital affiliations
- Iroquois Memorial HospitalWatseka, IL
- Presence St Marys HospitalKankakee, IL
- Riverside Medical CenterKankakee, IL
- Rush University Medical CenterChicago, IL
- Silver Cross Hospital and Medical CentersNew Lenox, IL
Industry payments (Open Payments)
- 2025$49,050 · 50 payments from 15 companies
- 2024$47,944 · 66 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $22,854 | 5 |
| Gilead Sciences, Inc. | $19,938 | 16 |
| Mallinckrodt Hospital Products Inc. | $4,165 | 2 |
| Bausch Health US, LLC | $800.00 | 1 |
| Glaxosmithkline, LLC. | $400.00 | 1 |
What the 2025 payments were for
- Consulting Fee$35,575 · 10 payments
- Travel and Lodging$12,297 · 5 payments
- Food and Beverage$1,178 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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