Iryna Ilyasova, M.D
NPI 1073005484ActiveIndividual· Hospitalist· Port Jefferson, NY
Hospitalist (M.D) with John T Mather Memorial Hospital, practicing in Port Jefferson, New York. In 2024 Medicare paid $122,645 for 469 patients, and Part D covered 359 of their prescriptions, 88% of them generic. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $489.86 in all, mostly food and beverage. Lists John T Mather Memorial Hospital of Port Jefferson as a hospital affiliation.
Overview
| NPI | 1073005484 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | May 31, 2018 |
| Last updated in NPPES | Nov 3, 2025 |
| Certified by provider | Nov 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 311503 | NY |
| Internal Medicine | 207R00000X | 311503 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 469 |
|---|---|
| Services billed | 1,295 across 18 procedure codes |
| Paid by Medicare | $122,645 |
Part D prescriptions in 2024
| Prescriptions (claims) | 359 · 526 30-day fills |
|---|---|
| Patients | 173 |
| Total drug cost | $37,177 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- John T Mather Memorial HospitalPort Jefferson, NY · 175 clinicians
Hospital affiliation
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY
Other facilities
- John T Mather Memorial Hosp T C UNursing home · Port Jefferson, NY
Industry payments (Open Payments)
- 2025$489.86 · 4 payments from 3 companies
- 2024$249.77 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $242.88 | 2 |
| Abbvie Inc. | $125.00 | 1 |
| Exact Sciences Corporation | $121.98 | 1 |
What the 2025 payments were for
- Food and Beverage$489.86 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hospitalists in Port Jefferson
- 1255656211
- 1073001251
- 1114189073
- 1326629791
- 1578901542
- 1659462695
- 1750769733
- 1780876979
- 1922242312
- 1952862872
- 1043310568
- 1194475483
All 16 hospitalists in Port Jefferson · All hospitalists in New York