J1437 is the HCPCS code for: Injection, ferric derisomaltose, 10 mg. In 2024, 969 providers billed J1437 3,751,157 times, with an estimated $59.1M paid by Medicare.
J1437 is a Part B drug code: Medicare pays an ASP-based rate of $21.08 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: $15.75 (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 | Michael Auerbach, M.D. | Hematology-Oncology | Baltimore, MD | 25,900 | $404K |
| 2 | Kirtan Koticha, MD | Hematology-Oncology | Shreveport, LA | 24,700 | $389K |
| 3 | Ralph Boccia, M.D. | Hematology-Oncology | Bethesda, MD | 24,000 | $375K |
| 4 | Huzefa Bahrain, D.O. | Medical Oncology | Baltimore, MD | 22,000 | $346K |
| 5 | Mitchell Martin, MD | Medical Oncology | Powell, TN | 19,000 | $301K |
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