Paul P. Chiang, MD
NPI 1902831696ActiveIndividual· Internal Medicine, Geriatric Medicine· Wheaton, IL
Internal Medicine, Geriatric Medicine (MD) in Wheaton, Illinois, licensed in IL, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $567,344 for 6,582 claims, against $82,612 paid for services in 2024.
Overview
| NPI | 1902831696 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Feb 27, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 036091803 | IL |
| Internal Medicine | 207R00000X | 036091803 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 200 |
|---|---|
| Services billed | 1,371 across 31 procedure codes |
| Paid by Medicare | $82,612 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,582 · 9,636 30-day fills |
|---|---|
| Patients | 343 |
| Total drug cost | $567,344 |
| Generic share | 89% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Geriatric Medicine providers in Wheaton
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