J1756 is the HCPCS code for: Injection, iron sucrose, 1 mg. In 2024, 677 providers billed J1756 9,655,603 times, with an estimated $1.6M paid by Medicare.
J1756 is a Part B drug code: Medicare pays an ASP-based rate of $0.23 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: $0.17 (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 | Gopal Kunta, M.D. | Medical Oncology | Clermont, FL | 222,300 | $38K |
| 2 | John Niedzwicki, M.D. | Hematology-Oncology | Dartmouth, MA | 158,600 | $27K |
| 3 | Renjitha Ignatius, M.D. | Hematology-Oncology | Sun City Center, FL | 109,200 | $19K |
| 4 | Huayang Tang, M.D. | Hematology-Oncology | Spring Hill, FL | 97,900 | $17K |
| 5 | Delfino Crescenzo, MD | Hematology-Oncology | Howard Beach, NY | 89,312 | $15K |
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