Koen Van Besien, M.D.
NPI 1073525598ActiveIndividual· Internal Medicine, Hematology & Oncology· Cleveland, OH
Internal Medicine, Hematology & Oncology (M.D.) with University Hospitals Medical Group Inc, practicing in Cleveland, Ohio. Their prescriptions cost Medicare Part D more than their services did: $2,687,936 for 386 claims, against $30,425 paid for services in 2024. Autolus Inc was the largest of 8 companies reporting payments in 2025, $4,898 in all, mostly education. Lists Uh Cleveland Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1073525598 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 13, 2006 |
| Last updated in NPPES | Oct 9, 2023 |
| Certified by provider | Oct 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 35.145877 | OH |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 60 263531 | NY |
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 - Hematology/Oncology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 79 |
|---|---|
| Services billed | 327 across 15 procedure codes |
| Paid by Medicare | $30,425 |
Part D prescriptions in 2024
| Prescriptions (claims) | 386 · 434 30-day fills |
|---|---|
| Patients | 67 |
| Total drug cost | $2,687,936 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- University Hospitals Medical Group IncCleveland, OH · 2,294 clinicians
Hospital affiliations
- Uh Cleveland Medical CenterCleveland, OH
- University Hospitals Ahuja Medical CenterBeachwood, OH
Other facilities
- University Hospital Home Care Services, IncHome health agency · Warrensville Hts, OH
Industry payments (Open Payments)
- 2025$4,898 · 19 payments from 8 companies
- 2024$13,092 · 18 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Autolus Inc | $3,750 | 1 |
| Incyte Corporation | $367.38 | 5 |
| Astrazeneca Pharmaceuticals LP | $267.84 | 4 |
| Legend Biotech USA Inc. | $259.26 | 2 |
| Novartis Pharmaceuticals Corporation | $116.65 | 3 |
What the 2025 payments were for
- Education$3,750 · 1 payment
- Food and Beverage$1,148 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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