J1745 is the HCPCS code for: Injection, infliximab, excludes biosimilar, 10 mg. In 2024, 1,377 providers billed J1745 5.6M times, an estimated $137.0M paid by Medicare.
J1745 is a Part B drug code: Medicare pays an ASP-based rate of $31.48 per 10 mg (2026 Q3 ASP drug pricing file). Total payment per patient depends on the dose billed.
A billed "service" on this code is one 10 mg unit, not one patient visit. That's why the service counts below run high.
What Medicare actually paid per service in 2024, on average: $24.57 (observed payment across all settings and modifiers, not a fee-schedule rate).
The top 5 billers nationally, ranked by 2024 Medicare service volume.
| # | Provider | Specialty | Location | Services | Est. Medicare paid |
|---|---|---|---|---|---|
| 1 | Rachel Chase, MD | Rheumatology | Louisville, KY | 36,073 | $892K |
| 2 | Nehal Gandhi, MD | Rheumatology | Glen Mills, PA | 35,890 | $886K |
| 3 | Stephen Soloway | Rheumatology | Vineland, NJ | 35,628 | $869K |
| 4 | Ana Kumar, M.D. | Rheumatology | Edmond, OK | 29,214 | $709K |
| 5 | Robert Brennan, MD | Infectious Disease | Lynchburg, VA | 28,573 | $681K |
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