J1745 is the HCPCS code for: Injection, infliximab, excludes biosimilar, 10 mg. In 2024, 1,377 providers billed J1745 5,576,857 times, with 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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