Diana Ilinskiy, M.D.
NPI 1598991218ActiveIndividual· Hospitalist· Lake Forest, IL
Hospitalist (M.D.) with Northwestern Medical Faculty Foundation, practicing in Lake Forest, Illinois. In 2024 Medicare paid $64,480 for 307 patients, and Part D covered 163 of their prescriptions, 89% of them generic. Lists Northwestern Lake Forest Hospital as a hospital affiliation.
Overview
| NPI | 1598991218 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 9, 2009 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 036126092 | IL |
| Internal Medicine | 207R00000X | 036.126092 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hospitalist (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 307 |
|---|---|
| Services billed | 681 across 13 procedure codes |
| Paid by Medicare | $64,480 |
Part D prescriptions in 2024
| Prescriptions (claims) | 163 · 187 30-day fills |
|---|---|
| Patients | 70 |
| Total drug cost | $10,412 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Hospitalist |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliation
- Northwestern Lake Forest HospitalLake Forest, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Hospitalist providers in Lake Forest
- 1982049458
- 1346779386
- 1053758029
- 1679005227
- 1710367941
- 1043770175
- 1588045868
- 1013108059
- 1477947745
- 1487183604
- 1902223209
- 1295230159