David L. McFadden, M.D.
NPI 1033270533ActiveIndividual· Internal Medicine, Nephrology· Joliet, IL
Internal Medicine, Nephrology (M.D.) in Joliet, Illinois, trained at Southern Illinois University School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $210,248 for 668 claims, against $87,801 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 2 companies reporting payments in 2025, $58.48 in all, mostly food and beverage.
Overview
| NPI | 1033270533 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Dec 12, 2006 |
| Last updated in NPPES | May 18, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 042008047 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 159 |
|---|---|
| Services billed | 676 across 13 procedure codes |
| Paid by Medicare | $87,801 |
Part D prescriptions in 2024
| Prescriptions (claims) | 668 · 1,247 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $210,248 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Nephrology |
Hospital affiliations
- Morris Hospital & Healthcare CentersMorris, IL
- Silver Cross Hospital and Medical CentersNew Lenox, IL
Other facilities
- Affiliated Dialysis of MorrisDialysis facility · Morris, IL
- Concerto DialysisDialysis facility · Lincolnwood, IL
Industry payments (Open Payments)
- 2025$58.48 · 2 payments from 2 companies
- 2024$116.74 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $31.50 | 1 |
| Calliditas Therapeutics US Inc. | $26.98 | 1 |
What the 2025 payments were for
- Food and Beverage$58.48 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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