Dimitrios Koudoumas, M.D., PH.D
NPI 1639456767ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Great Falls, MT
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D., PH.D) with Benefis Hospitals Inc, practicing in Great Falls, Montana. 223 Medicare patients in 2024, $130,090 paid; nearly all of their 250 Part D prescriptions were generic (92%). Abiomed was the largest of 17 companies reporting payments in 2025, $3,098 in all, mostly food and beverage. Lists Benefis Hospitals Inc and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1639456767 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D |
| Sole proprietor | No |
| NPI issued | Nov 3, 2011 |
| Last updated in NPPES | Apr 8, 2024 |
| Certified by provider | Apr 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 118900 | MT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Thoracic Surgery (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 792 across 118 procedure codes |
| Paid by Medicare | $130,090 |
Part D prescriptions in 2024
| Prescriptions (claims) | 250 · 438 30-day fills |
|---|---|
| Patients | 63 |
| Total drug cost | $14,518 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Thoracic Surgery |
Medical group
- Benefis Hospitals IncGreat Falls, MT · 384 clinicians
Hospital affiliations
- Benefis Hospitals IncGreat Falls, MT
- Great Falls Clinic HospitalGreat Falls, MT
- Northern Montana HospitalHavre, MT
- St Peters HealthHelena, MT
Industry payments (Open Payments)
- 2025$3,098 · 58 payments from 17 companies
- 2024$1,988 · 47 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $946.68 | 16 |
| W. L. Gore & Associates, Inc. | $857.75 | 13 |
| Inspiremd Ltd | $244.24 | 2 |
| Medtronic, Inc. | $223.07 | 4 |
| Boston Scientific Corporation | $219.37 | 4 |
What the 2025 payments were for
- Food and Beverage$2,672 · 56 payments
- Travel and Lodging$336.60 · 1 payment
- Education$89.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in Montana →