Paul J. Grunenwald, M.D.
NPI 1427001627ActiveIndividual· Internal Medicine, Interventional Cardiology· Elk Grove Village, IL
Internal Medicine, Interventional Cardiology (M.D.) in Elk Grove Village, Illinois, trained at Cincinnati College of Medicine and Surgery (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $466,702 for 4,486 claims, against $198,686 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 2 companies reporting payments in 2025, $94.56 in all, mostly food and beverage.
Overview
| NPI | 1427001627 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 18, 2006 |
| Last updated in NPPES | Jan 24, 2024 |
| Certified by provider | Jan 24, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 036-088591 | IL |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 036088591 | 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 - Interventional Cardiology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 858 |
|---|---|
| Services billed | 3,135 across 65 procedure codes |
| Paid by Medicare | $198,686 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,486 · 12,707 30-day fills |
|---|---|
| Patients | 606 |
| Total drug cost | $466,702 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Cincinnati College of Medicine and Surgery |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- Alexian Brothers Specialty GroupElk Grove Village, IL · 46 clinicians
Hospital affiliations
- Alexian Brothers Medical Center 1Elk Grove Village, IL
- St Alexius Medical CenterHoffman Estates, IL
Industry payments (Open Payments)
- 2025$94.56 · 4 payments from 2 companies
- 2024$292.08 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $72.55 | 3 |
| Cvrx, Inc. | $22.01 | 1 |
What the 2025 payments were for
- Food and Beverage$94.56 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Interventional Cardiology providers in Elk Grove Village
- 1194773374
- 1215980321
- 1841385184
- 1053364042
- 1417900366
- 1417156365
- 1740480383
All Internal Medicine, Interventional Cardiology providers in Illinois →