Merrick Donenberg, M.D.
NPI 1457647133ActiveIndividual· Internal Medicine, Cardiovascular Disease· Ottawa, IL
Internal Medicine, Cardiovascular Disease (M.D.) in Ottawa, Illinois, trained at Rush Medical College of Rush University (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $1,422,393 for 6,533 claims, against $114,902 paid for services in 2024.
Overview
| NPI | 1457647133 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 21, 2011 |
| Last updated in NPPES | Jul 17, 2025 |
| Certified by provider | Jul 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 036135131 | IL |
| Internal Medicine | 207R00000X | 036135131 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 2,907 |
|---|---|
| Services billed | 4,965 across 35 procedure codes |
| Paid by Medicare | $114,902 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,533 · 17,609 30-day fills |
|---|---|
| Patients | 702 |
| Total drug cost | $1,422,393 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Osf Multi-Specialty GroupMorton, IL · 2,114 clinicians
Hospital affiliations
- Osf Saint Clare Medical CenterPrinceton, IL
- Osf Saint Elizabeth Mdl CtrPeru, IL
- Osf Saint Paul Medical CenterMendota, IL
- Saint Anthony Medical CenterRockford, IL
- Saint Francis Medical CenterPeoria, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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