Coni J. Nielson, APN-CNP
NPI 1831114933ActiveIndividual· Nurse Practitioner· Naperville, IL
Nurse Practitioner (APN-CNP) in Naperville, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2004). 145 Medicare patients in 2024, $15,415 paid; nearly all of their 89 Part D prescriptions were generic (96%). Merck Sharp & Dohme LLC was the largest of 7 companies reporting payments in 2025, $245.43 in all, mostly food and beverage.
Overview
| NPI | 1831114933 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APN-CNP |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | May 5, 2026 |
| Certified by provider | May 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 209005567 | 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 | 145 |
|---|---|
| Services billed | 271 across 17 procedure codes |
| Paid by Medicare | $15,415 |
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 107 30-day fills |
|---|---|
| Patients | 26 |
| Total drug cost | $1,832 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Nurse Practitioner |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Edward HospitalNaperville, IL
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2025$245.43 · 11 payments from 7 companies
- 2024$27.95 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $114.01 | 5 |
| Lilly USA, LLC | $28.88 | 1 |
| Daiichi Sankyo Inc. | $27.33 | 1 |
| Beone Medicines USA, Inc. | $22.11 | 1 |
| Genentech USA, Inc. | $21.22 | 1 |
What the 2025 payments were for
- Food and Beverage$245.43 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 139 nurse practitioners in Naperville · All nurse practitioners in Illinois