Christine A. Offerman-Izzarelli, NURSE PRACTITIONER
NPI 1992327506ActiveIndividual· Nurse Practitioner, Family· Homewood, IL
Nurse Practitioner, Family (NURSE PRACTITIONER) with Chicagoland Infectious Disease PC, practicing in Homewood, Illinois. Their prescriptions cost Medicare Part D more than their services did: $331,742 for 235 claims, against $17,899 paid for services in 2024. Viiv Healthcare Company was the largest of 8 companies reporting payments in 2025, $1,325 in all, mostly food and beverage. Lists Ingalls Memorial Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1992327506 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NURSE PRACTITIONER |
| Sole proprietor | No |
| NPI issued | May 18, 2020 |
| Last updated in NPPES | May 18, 2020 |
| Certified by provider | May 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 209.021208 | 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 - Infectious Disease (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 118 |
|---|---|
| Services billed | 228 across 7 procedure codes |
| Paid by Medicare | $17,899 |
Part D prescriptions in 2024
| Prescriptions (claims) | 235 · 328 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $331,742 |
| Generic share | 54% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Chicagoland Infectious Disease PCSouth Holland, IL · 36 clinicians
Hospital affiliations
- Ingalls Memorial HospitalHarvey, IL
- South Shore HospitalChicago, IL
Industry payments (Open Payments)
- 2025$1,325 · 54 payments from 8 companies
- 2024$815.55 · 38 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viiv Healthcare Company | $764.24 | 32 |
| Gilead Sciences, Inc. | $192.02 | 9 |
| Theratechnologies Inc. | $157.51 | 3 |
| Merck Sharp & Dohme LLC | $98.52 | 5 |
| Melinta Therapeutics, LLC | $49.50 | 2 |
What the 2025 payments were for
- Food and Beverage$1,325 · 54 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 family nurse practitioners in Homewood · All family nurse practitioners in Illinois