Wayne Joseph Blaszak, M.D.
NPI 1245294008ActiveIndividual· Dermatology· Naperville, IL
Dermatology (M.D.) in Naperville, Illinois, trained at University of Chicago, Pritzker School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $962,943 for 2,385 claims, against $404,369 paid for services in 2024.
Overview
| NPI | 1245294008 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 17, 2006 |
| Last updated in NPPES | Jul 15, 2022 |
| Certified by provider | Jul 15, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 036-078093 | 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 - Dermatology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,666 |
|---|---|
| Services billed | 11,657 across 50 procedure codes |
| Paid by Medicare | $404,369 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,385 · 2,854 30-day fills |
|---|---|
| Patients | 787 |
| Total drug cost | $962,943 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Dermatology |
Medical group
- Grossweiner and Blaszak PCNaperville, IL · 2 clinicians
Hospital affiliations
- Edward HospitalNaperville, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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