Karen Griffin, MD
NPI 1801873773ActiveIndividual· Internal Medicine, Nephrology· Maywood, IL
Internal Medicine, Nephrology (MD) in Maywood, Illinois, trained at Rush Medical College of Rush University (class of 1983). 219 Medicare patients in 2024, $43,821 paid; nearly all of their 270 Part D prescriptions were generic (99%). Baxter Healthcare was the largest of 3 companies reporting payments in 2024, $57.89 in all, mostly food and beverage.
Overview
| NPI | 1801873773 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 30, 2005 |
| Last updated in NPPES | Apr 2, 2021 |
| Certified by provider | Apr 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 36069907 | 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 | 219 |
|---|---|
| Services billed | 616 across 11 procedure codes |
| Paid by Medicare | $43,821 |
Part D prescriptions in 2024
| Prescriptions (claims) | 270 · 708 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $3,930 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Loyola University Medical CenterMaywood, IL · 953 clinicians
Hospital affiliations
- Loyola Gottlieb Memorial HospitalMelrose Park, IL
- Loyola University Medical CenterMaywood, IL
Industry payments (Open Payments)
- 2024$57.89 · 3 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Baxter Healthcare | $25.85 | 1 |
| Novartis Pharmaceuticals Corporation | $21.17 | 1 |
| Travere Therapeutics, Inc. | $10.87 | 1 |
What the 2024 payments were for
- Food and Beverage$57.89 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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