Andrea Leigh Warren, APRN, FNP
NPI 1427423367ActiveIndividual· Nurse Practitioner, Family· Oak Lawn, IL
Nurse Practitioner, Family (APRN, FNP) with Physicians Immediate Care North Chicago LLC, practicing in Oak Lawn, Illinois. 201 Medicare patients in 2024, $22,299 paid; nearly all of their 348 Part D prescriptions were generic (94%). Gilead Sciences, Inc. reported $110.93 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1427423367 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN, FNP |
| Sole proprietor | No |
| NPI issued | Dec 3, 2015 |
| Last updated in NPPES | Feb 27, 2025 |
| Certified by provider | Feb 27, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 277003944 | 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 | 201 |
|---|---|
| Services billed | 398 across 24 procedure codes |
| Paid by Medicare | $22,299 |
Part D prescriptions in 2024
| Prescriptions (claims) | 348 · 359 30-day fills |
|---|---|
| Patients | 233 |
| Total drug cost | $6,196 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Physicians Immediate Care North Chicago LLCAurora, IL · 257 clinicians
Industry payments (Open Payments)
- 2025$110.93 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $110.93 | 1 |
What the 2025 payments were for
- Food and Beverage$110.93 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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