Jessica Sestak Winkleman, FNP-C
NPI 1043741234ActiveIndividual· Nurse Practitioner, Family· Springfield, IL
Nurse Practitioner, Family (FNP-C) with Siu Physicians and Surgeons Inc, practicing in Springfield, Illinois. Their prescriptions cost Medicare Part D more than their services did: $38,825 for 227 claims, against $10,759 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 8 companies reporting payments in 2025, $1,013 in all, mostly food and beverage. Lists Memorial Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1043741234 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Mar 21, 2017 |
| Last updated in NPPES | Mar 25, 2025 |
| Certified by provider | Mar 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 209015715 | 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 | 105 |
|---|---|
| Services billed | 136 across 4 procedure codes |
| Paid by Medicare | $10,759 |
Part D prescriptions in 2024
| Prescriptions (claims) | 227 · 363 30-day fills |
|---|---|
| Patients | 101 |
| Total drug cost | $38,825 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Siu Physicians and Surgeons IncSpringfield, IL · 314 clinicians
Hospital affiliations
- Memorial Medical CenterSpringfield, IL
- Taylorville Memorial HospitalTaylorville, IL
Industry payments (Open Payments)
- 2025$1,013 · 30 payments from 8 companies
- 2024$503.57 · 15 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $451.39 | 8 |
| Abbvie Inc. | $172.75 | 6 |
| Regeneron Healthcare Solutions, Inc. | $93.50 | 1 |
| Ardelyx, Inc. | $77.37 | 4 |
| Takeda Pharmaceuticals U.S.A., Inc. | $75.47 | 4 |
What the 2025 payments were for
- Food and Beverage$1,013 · 30 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 310 family nurse practitioners in Springfield · All family nurse practitioners in Illinois