John Vasko, M.D.
NPI 1336539022ActiveIndividual· Emergency Medicine· Naperville, IL
Emergency Medicine (M.D.) in Naperville, Illinois, trained at Northwestern University Feinberg Medical School (class of 2015). 404 Medicare patients in 2024, $53,478 paid; nearly all of their 169 Part D prescriptions were generic (90%). Paratek Pharmaceuticals, Inc. reported $19.76 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1336539022 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 2, 2015 |
| Last updated in NPPES | Dec 3, 2025 |
| Certified by provider | Dec 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 036.145653 | IL |
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 - Emergency Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 404 |
|---|---|
| Services billed | 424 across 15 procedure codes |
| Paid by Medicare | $53,478 |
Part D prescriptions in 2024
| Prescriptions (claims) | 169 · 169 30-day fills |
|---|---|
| Patients | 128 |
| Total drug cost | $1,753 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Emergency Medicine |
Medical group
- Edward HospitalBolingbrook, IL · 96 clinicians
Hospital affiliation
- Edward HospitalNaperville, IL
Industry payments (Open Payments)
- 2024$19.76 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Paratek Pharmaceuticals, Inc. | $19.76 | 1 |
What the 2024 payments were for
- Food and Beverage$19.76 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 60 emergency medicine physicians in Naperville · All emergency medicine physicians in Illinois