J2182 is the HCPCS code for: Injection, mepolizumab, 1 mg. In 2024, 199 providers billed J2182 1,684,156 times, with an estimated $39.6M paid by Medicare.
J2182 is a Part B drug code: Medicare pays an ASP-based rate of $32.28 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: $23.52 (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 | Raja Devanathan, M.D. | Pulmonary Disease | Hobart, IN | 43,400 | $1.0M |
| 2 | Robert Brennan, MD | Infectious Disease | Lynchburg, VA | 33,300 | $792K |
| 3 | Allan Wachter, MD | Allergy/ Immunology | Phoenix, AZ | 30,600 | $725K |
| 4 | Ilze Mungovan, FNP-C | Nurse Practitioner | Thousand Oaks, CA | 27,900 | $664K |
| 5 | An Pham, MD | Pulmonary Disease | Pottstown, PA | 26,216 | $622K |
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