Maria E. Onak, APN-CNP
NPI 1700074754ActiveIndividual· Nurse Practitioner· Glenview, IL
Nurse Practitioner (APN-CNP) in Glenview, Illinois, trained at Rush Medical College of Rush University (class of 2007). 149 Medicare patients in 2024, $32,244 paid; nearly all of their 169 Part D prescriptions were generic (99%).
Overview
| NPI | 1700074754 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APN-CNP |
| Sole proprietor | No |
| NPI issued | Oct 3, 2007 |
| Last updated in NPPES | May 5, 2026 |
| Certified by provider | May 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 209006771 | IL |
| Nurse Practitioner, Adult Health | 363LA2200X | 209006771 | IL |
| Nurse Practitioner, Gerontology | 363LG0600X | 209006771 | 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 - Nurse Practitioner (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 149 |
|---|---|
| Services billed | 354 across 7 procedure codes |
| Paid by Medicare | $32,244 |
Part D prescriptions in 2024
| Prescriptions (claims) | 169 · 169 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $5,524 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Nurse Practitioner |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliation
- Northwest Community Hospital 1Arlington Heights, 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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