Samuel John Youssef, MD
NPI 1639330475ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Seattle, WA
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) with Swedish Health Services, practicing in Seattle, Washington. Mostly services rather than prescriptions: Medicare paid $240,351 for 115 patients in 2024, with only 26 Part D claims. Artivion, Inc. was the largest of 2 companies reporting payments in 2025, $823.91 in all, mostly travel and lodging. Lists Evergreenhealth Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1639330475 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 24, 2008 |
| Last updated in NPPES | Apr 30, 2021 |
| Certified by provider | Apr 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | MD 6014714 | WA |
| Surgery | 208600000X | ML20008340 | WA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - General Surgery (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 115 |
|---|---|
| Services billed | 413 across 86 procedure codes |
| Paid by Medicare | $240,351 |
Part D prescriptions in 2024
| Prescriptions (claims) | 26 · 30 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $376.78 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | General Surgery |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Swedish Health ServicesSeattle, WA · 1,037 clinicians
Hospital affiliations
- Evergreenhealth Medical CenterKirkland, WA
- Kadlec Regional Medical CenterRichland, WA
- Swedish Medical CenterSeattle, WA
- Swedish Medical Center / Cherry HillSeattle, WA
Industry payments (Open Payments)
- 2025$823.91 · 4 payments from 2 companies
- 2024$285.80 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Artivion, Inc. | $777.56 | 2 |
| Bolton Medical Inc | $46.35 | 2 |
What the 2025 payments were for
- Travel and Lodging$591.59 · 1 payment
- Food and Beverage$232.32 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 cardiothoracic surgeons in Seattle · All cardiothoracic surgeons in Washington