Mariya Leonidovna Samoylova, M.D.
NPI 1649702283ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· San Francisco, CA
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) in San Francisco, California, trained at University of California, San Francisco School of Medicine (class of 2017). Part D covered 22 prescriptions written in 2024, 95% of them generic. Medical Device Business Services, Inc. was the largest of 3 companies reporting payments in 2025, $1,558 in all, mostly travel and lodging.
Overview
| NPI | 1649702283 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 2, 2017 |
| Last updated in NPPES | Aug 18, 2026 |
| Certified by provider | Aug 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | A211188 | CA |
| Surgery | 208600000X | A211188 | CA |
| 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 - Thoracic Surgery (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 22 · 22 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $561.90 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Thoracic Surgery |
| Secondary specialties | General Surgery |
Industry payments (Open Payments)
- 2025$1,558 · 9 payments from 3 companies
- 2024$56.79 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medical Device Business Services, Inc. | $1,375 | 7 |
| Medtronic, Inc. | $114.99 | 1 |
| Astrazeneca Pharmaceuticals LP | $68.49 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,154 · 3 payments
- Food and Beverage$335.58 · 5 payments
- Education$68.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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