Yan Semenovskyi, MD
NPI 1053982355ActiveIndividual· Hospitalist· Tallahassee, FL
Hospitalist (MD) with Tallahassee Memorial Healthcare Inc, practicing in Tallahassee, Florida. Their prescriptions cost Medicare Part D more than their services did: $54,864 for 300 claims, against $10,719 paid for services in 2024. Viatris Specialty LLC was the largest of 10 companies reporting payments in 2025, $597.39 in all, mostly food and beverage. Lists HCA Florida Capital Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1053982355 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 7, 2021 |
| Last updated in NPPES | Jan 8, 2026 |
| Certified by provider | Jan 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | ME165114 | FL |
| Internal Medicine | 207R00000X | ME165114 | FL |
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 - Internal Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 51 |
|---|---|
| Services billed | 123 across 4 procedure codes |
| Paid by Medicare | $10,719 |
Part D prescriptions in 2024
| Prescriptions (claims) | 300 · 536 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $54,864 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical group
- Tallahassee Memorial Healthcare IncTallahassee, FL · 497 clinicians
Hospital affiliations
- HCA Florida Capital HospitalTallahassee, FL
- Madison County Memorial HospitalMadison, FL
- Tallahassee Memorial HealthcareTallahassee, FL
Industry payments (Open Payments)
- 2025$597.39 · 22 payments from 10 companies
- 2024$55.14 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viatris Specialty LLC | $201.88 | 6 |
| Merck Sharp & Dohme LLC | $89.69 | 3 |
| Alexion Pharmaceuticals, Inc. | $66.66 | 2 |
| Abbvie Inc. | $65.13 | 2 |
| Vertex Pharmaceuticals Incorporated | $46.04 | 2 |
What the 2025 payments were for
- Food and Beverage$597.39 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 51 hospitalists in Tallahassee · All hospitalists in Florida