J9144 is the HCPCS code for: Injection, daratumumab, 10 mg and hyaluronidase-fihj. In 2024, 765 providers billed J9144 8.3M times, an estimated $323.0M paid by Medicare.
J9144 is a Part B drug code: Medicare pays an ASP-based rate of $57.05 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: $38.97 (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 | Stefano Tarantolo, M.D. | Medical Oncology | Omaha, NE | 54,900 | $2.1M |
| 2 | Anuj Mahindra, MD | Hematology-Oncology | La Jolla, CA | 49,680 | $1.9M |
| 3 | Ruben Niesvizky, MD | Medical Oncology | New York, NY | 48,240 | $1.9M |
| 4 | William Sharfman, M.D. | Medical Oncology | Lutherville, MD | 45,540 | $1.8M |
| 5 | Robert Vescio, M.D. | Hematology-Oncology | Los Angeles, CA | 41,220 | $1.6M |
Prospect 811 answers "what is this code, what does it pay, and who bills it?" for every billable code, then filters the answer to your exact territory, with phone numbers. $79/month, no contract, 14-day refund.
Start prospecting →