Igor Klem, MD
NPI 1104042936ActiveIndividual· Internal Medicine, Cardiovascular Disease· Durham, NC
Internal Medicine, Cardiovascular Disease (MD) with Duke Health Integrated Practice, Inc, practicing in Durham, North Carolina. 650 Medicare patients in 2024, $61,307 paid; nearly all of their 538 Part D prescriptions were generic (91%). Bayer Healthcare LLC was the largest of 2 companies reporting payments in 2025, $138.41 in all, mostly food and beverage. Lists Duke University Hospital as a hospital affiliation.
Overview
| NPI | 1104042936 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 18, 2007 |
| Last updated in NPPES | May 23, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 2006-01638 | NC |
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) (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 650 |
|---|---|
| Services billed | 1,031 across 31 procedure codes |
| Paid by Medicare | $61,307 |
Part D prescriptions in 2024
| Prescriptions (claims) | 538 · 1,381 30-day fills |
|---|---|
| Patients | 136 |
| Total drug cost | $63,372 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Duke Health Integrated Practice, IncDurham, NC · 3,185 clinicians
Hospital affiliation
- Duke University HospitalDurham, NC
Industry payments (Open Payments)
- 2025$138.41 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare LLC | $95.62 | 1 |
| Siemens Medical Solutions USA, Inc. | $42.79 | 1 |
What the 2025 payments were for
- Food and Beverage$138.41 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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