James J. Rydel, MD
NPI 1225078413ActiveIndividual· Internal Medicine, Nephrology· Oak Lawn, IL
Internal Medicine, Nephrology (MD) in Oak Lawn, Illinois, trained at Rush Medical College of Rush University (class of 1988). In 2024 Medicare paid $356,763 for 352 patients, and Part D covered 1,710 of their prescriptions, 80% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 5 companies reporting payments in 2025, $138.18 in all, mostly food and beverage.
Overview
| NPI | 1225078413 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Dec 9, 2021 |
| Certified by provider | Dec 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 036081397 | 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 | 352 |
|---|---|
| Services billed | 2,014 across 17 procedure codes |
| Paid by Medicare | $356,763 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,710 · 4,068 30-day fills |
|---|---|
| Patients | 289 |
| Total drug cost | $355,954 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- J R Nephology and Associates IncOak Lawn, IL · 4 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Osf Little Company of Mary Medical CenterEvergreen Park, IL
- Palos Community HospitalPalos Heights, IL
Other facilities
- Davita Beverly DialysisDialysis facility · Chicago, IL
- Davita Chicago Ridge DialysisDialysis facility · Chicago Ridge, IL
- Davita Oak Meadows DialysisDialysis facility · Oak Lawn, IL
- Davita Stony Creek DialysisDialysis facility · Oak Lawn, IL
- Fmc - CrestwoodDialysis facility · Crestwood, IL
Industry payments (Open Payments)
- 2025$138.18 · 6 payments from 5 companies
- 2024$189.03 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $34.43 | 2 |
| Amgen Inc. | $31.65 | 1 |
| Aurinia Pharma U.S., Inc. | $29.59 | 1 |
| Ardelyx, Inc. | $23.66 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $18.85 | 1 |
What the 2025 payments were for
- Food and Beverage$119.33 · 5 payments
- Education$18.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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