Angelica Kathleen Gierut, M.D.
NPI 1518115252ActiveIndividual· Internal Medicine, Rheumatology· Warrenville, IL
Internal Medicine, Rheumatology (M.D.) in Warrenville, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $2,904,209 for 2,702 claims, against $118,553 paid for services in 2024.
Overview
| NPI | 1518115252 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 6, 2008 |
| Last updated in NPPES | Apr 25, 2022 |
| Certified by provider | Apr 25, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 036.120917 | IL |
| Internal Medicine | 207R00000X | 036.120917 | 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 - Rheumatology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 326 |
|---|---|
| Services billed | 17,039 across 31 procedure codes |
| Paid by Medicare | $118,553 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,702 · 5,939 30-day fills |
|---|---|
| Patients | 441 |
| Total drug cost | $2,904,209 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Medicine Kishwaukee HospitalDekalb, IL
- Northwestern Memorial HospitalChicago, IL
- Palos Community HospitalPalos Heights, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other rheumatologists in Warrenville
- 1083771711
- 1932546249