Michel K. Barsoum, MD
Internal Medicine, Cardiovascular Disease (MD) with Mayo Clinic Health System-Northwest Wisconsin Region Inc and 1 other group, practicing in Eau Claire, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $505,241 for 3,076 claims, against $44,088 paid for services in 2024. Alnylam Pharmaceuticals Inc. was the largest of 2 companies reporting payments in 2025, $162.45 in all, mostly food and beverage. Lists Mayo Clinic Health System Chippewa Valley and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1215920483 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 23, 2005 |
| Last updated in NPPES | Apr 18, 2022 |
| Certified by provider | Apr 18, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 55583-20 | WI |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 47847 | MN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | ME142607 | FL |
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) (FL); Practitioner - Internal Medicine (MN); Practitioner - Cardiovascular Disease (Cardiology) (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 701 |
|---|---|
| Services billed | 1,231 across 37 procedure codes |
| Paid by Medicare | $44,088 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,076 · 7,317 30-day fills |
|---|---|
| Patients | 436 |
| Total drug cost | $505,241 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI · 802 clinicians
- Mayo Clinic Health System-Southwest Wisconsin Region IncLa Crosse, WI · 534 clinicians
Hospital affiliations
- Mayo Clinic Health System Chippewa ValleyBloomer, WI
- Mayo Clinic Health System Eau Claire HospitalEau Claire, WI
- Mayo Clinic Health System-Franciscan Medical Center IncLa Crosse, WI
- Mayo Clinic Health System-NorthlandBarron, WI
- Mayo Clinic Health System-Red Cedar IncMenomonie, WI
Industry payments (Open Payments)
- 2025$162.45 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alnylam Pharmaceuticals Inc. | $131.97 | 1 |
| Novartis Pharmaceuticals Corporation | $30.48 | 1 |
What the 2025 payments were for
- Food and Beverage$162.45 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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