David Leehey, MD
NPI 1689651580ActiveIndividual· Internal Medicine, Nephrology· Maywood, IL
Internal Medicine, Nephrology (MD) in Maywood, Illinois, trained at Boston University School of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $105,307 for 324 claims, against $40,780 paid for services in 2024. Genzyme Corporation reported $118.58 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1689651580 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 30, 2005 |
| Last updated in NPPES | Oct 13, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 36056027 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 238 |
|---|---|
| Services billed | 616 across 13 procedure codes |
| Paid by Medicare | $40,780 |
Part D prescriptions in 2024
| Prescriptions (claims) | 324 · 849 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $105,307 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Hospital affiliations
- Loyola Gottlieb Memorial HospitalMelrose Park, IL
- Loyola University Medical CenterMaywood, IL
Industry payments (Open Payments)
- 2025$118.58 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $118.58 | 1 |
What the 2025 payments were for
- Food and Beverage$118.58 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Maywood
- 1609000579
- 1619928041
- 1164409033
- 1801873773
- 1255223996
- 1356281851
- 1003893975
- 1790942142
- 1821075177
- 1831322932
- 1356769020
- 1215128400