90653 is the CPT code for: Influenza vaccine, inactivated. In 2024, 43,932 providers billed 90653 3,476,036 times, with an estimated $282.9M paid by Medicare.
90653 is a Part B drug code: Medicare pays an ASP-based rate of $98.16 per 0.5 ml (2026 Q3 ASP drug pricing file). Total payment per patient depends on the dose billed.
A billed "service" on this code is one 0.5 ml unit, not one patient visit — that's why the service counts below run high.
What Medicare actually paid per service in 2024, on average: $81.38 (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 | Walgreen Co | Centralized Flu | Lakewood, CO | 55,266 | $4.5M |
| 2 | Vaxcare LLC | Centralized Flu | Orlando, FL | 9,643 | $784K |
| 3 | Mathew Hernandez, MD | Internal Medicine | Palo Alto, CA | 8,711 | $713K |
| 4 | Janeo LLC | Mass Immunizer Roster Biller | Studio City, CA | 5,801 | $475K |
| 5 | Giant Of Maryland LLC | Centralized Flu | Rockville, MD | 4,918 | $402K |
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