William A. Mourad, M.D.
NPI 1760698161ActiveIndividual· Internal Medicine, Gastroenterology· Naperville, IL
Internal Medicine, Gastroenterology (M.D.) in Naperville, Illinois, trained at Ohio State University College of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $994,050 for 807 claims, against $105,537 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $311.50 in all, mostly food and beverage.
Overview
| NPI | 1760698161 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 15, 2007 |
| Last updated in NPPES | Aug 16, 2023 |
| Certified by provider | Aug 16, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036120356 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 394 |
|---|---|
| Services billed | 1,113 across 80 procedure codes |
| Paid by Medicare | $105,537 |
Part D prescriptions in 2024
| Prescriptions (claims) | 807 · 1,325 30-day fills |
|---|---|
| Patients | 455 |
| Total drug cost | $994,050 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Hospital affiliation
- Edward HospitalNaperville, IL
Industry payments (Open Payments)
- 2025$311.50 · 6 payments from 2 companies
- 2024$287.20 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $163.73 | 5 |
| Madrigal Pharmaceuticals | $147.77 | 1 |
What the 2025 payments were for
- Food and Beverage$311.50 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 gastroenterologists in Naperville · All gastroenterologists in Illinois