Edwin McDonald
NPI 1831346774ActiveIndividual· Internal Medicine, Gastroenterology· Chicago, IL
Internal Medicine, Gastroenterology in Chicago, Illinois, trained at Northwestern University Feinberg Medical School (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $2,346,591 for 714 claims, against $55,679 paid for services in 2024. Ironwood Pharmaceuticals, Inc was the largest of 2 companies reporting payments in 2025, $6,238 in all, mostly consulting fees.
Overview
| NPI | 1831346774 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 22, 2008 |
| Last updated in NPPES | Oct 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036127904 | 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 | 286 |
|---|---|
| Services billed | 503 across 41 procedure codes |
| Paid by Medicare | $55,679 |
Part D prescriptions in 2024
| Prescriptions (claims) | 714 · 1,093 30-day fills |
|---|---|
| Patients | 145 |
| Total drug cost | $2,346,591 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- University of ChicagoChicago, IL · 1,712 clinicians
- The University of Chicago Medical CenterChicago, IL · 915 clinicians
Hospital affiliations
- Ingalls Memorial HospitalHarvey, IL
- Silver Cross Hospital and Medical CentersNew Lenox, IL
- The University of Chicago Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$6,238 · 4 payments from 2 companies
- 2024$598.57 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ironwood Pharmaceuticals, Inc | $6,214 | 3 |
| Medtronic, Inc. | $24.07 | 1 |
What the 2025 payments were for
- Consulting Fee$4,550 · 1 payment
- Travel and Lodging$1,625 · 1 payment
- Food and Beverage$63.42 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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