Sergey Kashubin, NP-C
Opted out of Medicare from April 2025 to April 2027. Nurse Practitioner, Primary Care (NP-C) in Boise, Idaho, licensed in ID, with an NPI issued in July 2019. Their prescriptions cost Medicare Part D more than their services did: $282,488 for 3,852 claims, against $21,924 paid for services in 2024. Novartis Pharmaceuticals Corporation reported $29.14 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1912569351 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Jul 6, 2019 |
| Last updated in NPPES | Nov 23, 2021 |
| Certified by provider | Nov 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | 56339 | ID |
| Nurse Practitioner, Family | 363LF0000X | 56339 | ID |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Apr 1, 2025 – Apr 1, 2027 |
| Can order and refer | Yes |
| Accepts assignment | Yes (participating) |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Medicare services in 2024
| Medicare patients | 117 |
|---|---|
| Services billed | 333 across 13 procedure codes |
| Paid by Medicare | $21,924 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,852 · 8,987 30-day fills |
|---|---|
| Patients | 341 |
| Total drug cost | $282,488 |
| Generic share | 88% of claims |
Industry payments (Open Payments)
- 2024$29.14 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $29.14 | 1 |
What the 2024 payments were for
- Food and Beverage$29.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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