Vivianne Martine Sambour, M.D
NPI 1821436239ActiveIndividual· Hospitalist· Oceanside, NY
Hospitalist (M.D) with Mount Sinai School of Medicine, practicing in Oceanside, New York. In 2024 Medicare paid $93,974 for 327 patients, and Part D covered 286 of their prescriptions, 81% of them generic. Glaxosmithkline, LLC. was the largest of 4 companies reporting payments in 2025, $238.39 in all, mostly food and beverage. Lists Mount Sinai South Nassau as a hospital affiliation.
Overview
| NPI | 1821436239 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jun 7, 2013 |
| Last updated in NPPES | Jul 14, 2020 |
| Certified by provider | Jul 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 271393 | NY |
| Family Medicine | 207Q00000X | 271393 | NY |
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 - Family Practice (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 327 |
|---|---|
| Services billed | 1,000 across 14 procedure codes |
| Paid by Medicare | $93,974 |
Part D prescriptions in 2024
| Prescriptions (claims) | 286 · 307 30-day fills |
|---|---|
| Patients | 102 |
| Total drug cost | $26,992 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Mount Sinai School of MedicineOceanside, NY · 148 clinicians
Hospital affiliation
- Mount Sinai South NassauOceanside, NY
Industry payments (Open Payments)
- 2025$238.39 · 4 payments from 4 companies
- 2024$66.45 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $125.00 | 1 |
| Novo Nordisk Inc | $73.85 | 1 |
| E.R. Squibb & Sons, L.L.C. | $21.06 | 1 |
| Exact Sciences Corporation | $18.48 | 1 |
What the 2025 payments were for
- Food and Beverage$238.39 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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