Ronald G. Berger, MD
NPI 1730109851ActiveIndividual· Internal Medicine, Cardiovascular Disease· Bannockburn, IL
Internal Medicine, Cardiovascular Disease (MD) in Bannockburn, Illinois, trained at Rush Medical College of Rush University (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $1,529,647 for 7,089 claims, against $205,744 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 21 companies reporting payments in 2025, $2,137 in all, mostly food and beverage.
Overview
| NPI | 1730109851 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 20, 2006 |
| Last updated in NPPES | Jul 23, 2026 |
| Certified by provider | Jul 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 036106269 | 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 - Cardiovascular Disease (Cardiology) (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,911 |
|---|---|
| Services billed | 5,542 across 34 procedure codes |
| Paid by Medicare | $205,744 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,089 · 19,744 30-day fills |
|---|---|
| Patients | 828 |
| Total drug cost | $1,529,647 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2025$2,137 · 81 payments from 21 companies
- 2024$42,818 · 114 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $343.07 | 15 |
| Novo Nordisk Inc | $317.10 | 11 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $289.08 | 9 |
| Amgen Inc. | $145.20 | 2 |
| Astrazeneca Pharmaceuticals LP | $144.32 | 6 |
What the 2025 payments were for
- Food and Beverage$2,137 · 81 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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