J0174 is the HCPCS code for: Injection, lecanemab-irmb, 1 mg. In 2024, 254 providers billed J0174 31,382,754 times, with an estimated $32.6M paid by Medicare.
J0174 is a Part B drug code: Medicare pays an ASP-based rate of $1.34 per 1 mg (2026 Q3 ASP drug pricing file). Total payment per patient depends on the dose billed.
A billed "service" on this code is one 1 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: $1.04 (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 | Brian Costell, M.D. | Neurology | Boca Raton, FL | 1,518,176 | $1.6M |
| 2 | Samuel Ganz, D.O. | Internal Medicine | Delray Beach, FL | 1,047,290 | $1.1M |
| 3 | Paul Mazzeo, M.D. | Neurology | Port Royal, SC | 706,675 | $740K |
| 4 | Jeffrey Weber, M.D. | Gastroenterology | Milwaukee, WI | 622,558 | $630K |
| 5 | Samuel Giles | Neurology | Jacksonville Beach, FL | 620,791 | $648K |
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