Q5106 is the HCPCS code for: Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units. In 2024, 539 providers billed Q5106 1,562,860 times, with an estimated $8.9M paid by Medicare.
Q5106 is a Part B drug code: Medicare pays an ASP-based rate of $7.97 per 1000 units (2026 Q3 ASP drug pricing file). Total payment per patient depends on the dose billed.
A billed "service" on this code is one 1000 units unit, not one patient visit — that's why the service counts below run high.
What Medicare actually paid per service in 2024, on average: $5.70 (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 | Paul Lin, MD | Hematology-Oncology | Wellington, FL | 31,980 | $187K |
| 2 | Soren Caffey, MD | Hematology-Oncology | Alexandria, VA | 20,600 | $119K |
| 3 | Tami Bach, MD | Hematology | Mickleton, NJ | 19,960 | $114K |
| 4 | Chitra Rajagopal, MD | Hematology-Oncology | Bethesda, MD | 18,481 | $107K |
| 5 | Minch Fong, M.D. | Hematology-Oncology | Mission Viejo, CA | 16,720 | $97K |
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