Stephen D. Cassivi, M.D.
NPI 1659350833ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Rochester, MN
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) with Mayo Clinic, practicing in Rochester, Minnesota. Medicare paid $83,144 for services to 127 patients in 2024. Medela Ag was the largest of 6 companies reporting payments in 2025, $3,174 in all, mostly consulting fees. Lists Mayo Clinic Hospital Rochester as a hospital affiliation.
Overview
| NPI | 1659350833 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 16, 2006 |
| Last updated in NPPES | Aug 12, 2020 |
| Certified by provider | Aug 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 44927 | MN |
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 - Thoracic Surgery (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 127 |
|---|---|
| Services billed | 273 across 42 procedure codes |
| Paid by Medicare | $83,144 |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Thoracic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Mayo ClinicRochester, MN · 4,956 clinicians
Hospital affiliation
- Mayo Clinic Hospital RochesterRochester, MN
Industry payments (Open Payments)
- 2025$3,174 · 14 payments from 6 companies
- 2024$6,534 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medela Ag | $2,500 | 4 |
| Medtronic, Inc. | $200.80 | 3 |
| Ethicon US, LLC | $170.78 | 4 |
| Medical Device Business Services, Inc. | $135.88 | 1 |
| Medela LLC | $98.17 | 1 |
What the 2025 payments were for
- Consulting Fee$2,500 · 4 payments
- Food and Beverage$605.63 · 9 payments
- Education$68.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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