Shannon Greenquist, FNP-BC
NPI 1174062368ActiveIndividual· Nurse Practitioner, Family· Kankakee, IL
Nurse Practitioner, Family (FNP-BC) with Riverside Health System, practicing in Kankakee, Illinois. Their prescriptions cost Medicare Part D more than their services did: $180,386 for 921 claims, against $48,702 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 17 companies reporting payments in 2025, $2,134 in all, mostly food and beverage. Lists Riverside Medical Center as a hospital affiliation.
Overview
| NPI | 1174062368 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC |
| Sole proprietor | No |
| NPI issued | Feb 21, 2017 |
| Last updated in NPPES | Mar 22, 2021 |
| Certified by provider | Mar 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 209.014773 | 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 | 482 |
|---|---|
| Services billed | 696 across 9 procedure codes |
| Paid by Medicare | $48,702 |
Part D prescriptions in 2024
| Prescriptions (claims) | 921 · 2,443 30-day fills |
|---|---|
| Patients | 315 |
| Total drug cost | $180,386 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Riverside Health SystemWillmington, IL · 199 clinicians
Hospital affiliation
- Riverside Medical CenterKankakee, IL
Industry payments (Open Payments)
- 2025$2,134 · 105 payments from 17 companies
- 2024$1,484 · 81 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $466.16 | 28 |
| Merck Sharp & Dohme LLC | $229.95 | 11 |
| Novartis Pharmaceuticals Corporation | $192.34 | 8 |
| Pfizer Inc. | $172.93 | 9 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $166.68 | 7 |
What the 2025 payments were for
- Food and Beverage$2,134 · 105 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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