Sarah Knobbe, FNP-BC
NPI 1578032546ActiveIndividual· Nurse Practitioner· Warrenville, IL
Nurse Practitioner (FNP-BC) with Northwestern Medical Faculty Foundation, practicing in Warrenville, Illinois. Mostly services rather than prescriptions: Medicare paid $8,288 for 63 patients in 2024, with only 34 Part D claims. Astrazeneca Pharmaceuticals LP reported $113.48 in payments in 2025, mostly food and beverage. Lists Northwestern Medicine Central Dupage Hospital as a hospital affiliation.
Overview
| NPI | 1578032546 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC |
| Sole proprietor | No |
| NPI issued | Nov 19, 2018 |
| Last updated in NPPES | Mar 12, 2024 |
| Certified by provider | Mar 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 209.018266 | IL |
| Nurse Practitioner, Family | 363LF0000X | 209.018266 | 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 | 63 |
|---|---|
| Services billed | 147 across 3 procedure codes |
| Paid by Medicare | $8,288 |
Part D prescriptions in 2024
| Prescriptions (claims) | 34 · 39 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $1,430 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliation
- Northwestern Medicine Central Dupage HospitalWinfield, IL
Industry payments (Open Payments)
- 2025$113.48 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $113.48 | 1 |
What the 2025 payments were for
- Food and Beverage$113.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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