Colleen M. Grandowski, ACNP
NPI 1265768352ActiveIndividual· Nurse Practitioner· Mokena, IL
Nurse Practitioner (ACNP) in Mokena, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2009). 58 Medicare patients in 2024, $7,172 paid; nearly all of their 192 Part D prescriptions were generic (93%). Exact Sciences Corporation reported $20.96 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1265768352 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ACNP |
| Sole proprietor | No |
| NPI issued | Oct 23, 2009 |
| Last updated in NPPES | Jan 17, 2022 |
| Certified by provider | Dec 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 277000793 | IL |
| Nurse Practitioner, Acute Care | 363LA2100X | 209007785 | 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 | 58 |
|---|---|
| Services billed | 81 across 12 procedure codes |
| Paid by Medicare | $7,172 |
Part D prescriptions in 2024
| Prescriptions (claims) | 192 · 275 30-day fills |
|---|---|
| Patients | 75 |
| Total drug cost | $6,299 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Nurse Practitioner |
Medical groups
- Prime Healthcare Illinois Medical Group LLCChicago, IL · 322 clinicians
- Mount Sinai Community FoundationChicago, IL · 248 clinicians
- Bonaventure Medical Foundation LLCBartlett, IL · 167 clinicians
Hospital affiliations
- Alexian Brothers Medical Center 1Elk Grove Village, IL
- Morris Hospital & Healthcare CentersMorris, IL
- Mt Sinai Hospital Medical CenterChicago, IL
- Presence St Marys HospitalKankakee, IL
- Saint Joseph Medical CenterJoliet, IL
Industry payments (Open Payments)
- 2025$20.96 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $20.96 | 1 |
What the 2025 payments were for
- Food and Beverage$20.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 nurse practitioners in Mokena · All nurse practitioners in Illinois