James Lewis Ferguson, CNP
NPI 1841602794ActiveIndividual· Nurse Practitioner, Family· McHenry, IL
Nurse Practitioner, Family (CNP) with Gi Partners of Illinois PLLC, practicing in McHenry, Illinois. Their prescriptions cost Medicare Part D more than their services did: $95,891 for 300 claims, against $17,489 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 6 companies reporting payments in 2025, $282.51 in all, mostly food and beverage. Lists Advocate Good Shepherd Hospital as a hospital affiliation.
Overview
| NPI | 1841602794 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | May 27, 2014 |
| Last updated in NPPES | Jun 27, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 209011623 | IL |
| Nurse Practitioner | 363L00000X | 209011623 | 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 | 181 |
|---|---|
| Services billed | 206 across 5 procedure codes |
| Paid by Medicare | $17,489 |
Part D prescriptions in 2024
| Prescriptions (claims) | 300 · 538 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $95,891 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Gi Partners of Illinois PLLCLibertyville, IL · 39 clinicians
Hospital affiliation
- Advocate Good Shepherd HospitalBarrington, IL
Industry payments (Open Payments)
- 2025$282.51 · 8 payments from 6 companies
- 2024$317.65 · 15 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $131.70 | 1 |
| Abbvie Inc. | $43.95 | 2 |
| Celltrion USA Inc. | $40.22 | 2 |
| Janssen Biotech, Inc. | $30.16 | 1 |
| Paratek Pharmaceuticals, Inc. | $18.35 | 1 |
What the 2025 payments were for
- Food and Beverage$282.51 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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