Irene S. Chliwner, MD
NPI 1588745491ActiveIndividual· Internal Medicine· Warwick, RI
Internal Medicine (MD) in Warwick, Rhode Island, licensed in RI, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $127,419 for 1,957 claims, against $16,081 paid for services in 2024.
Overview
| NPI | 1588745491 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 18, 2006 |
| Last updated in NPPES | Oct 19, 2020 |
| Certified by provider | Oct 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD06838 | RI |
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 - Internal Medicine (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 78 |
|---|---|
| Services billed | 662 across 36 procedure codes |
| Paid by Medicare | $16,081 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,957 · 4,562 30-day fills |
|---|---|
| Patients | 173 |
| Total drug cost | $127,419 |
| Generic share | 91% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 138 internal medicine physicians in Warwick · All internal medicine physicians in Rhode Island