91322 is the CPT code for: Sarscov2 vac 50 mcg/0.5ml im. In 2024, 31,346 providers billed 91322 3,668,923 times, with an estimated $564.8M paid by Medicare.
91322 is a Part B drug code: Medicare pays an ASP-based rate of $161.65 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: $153.93 (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 | Safeway Inc | Centralized Flu | Boise, ID | 127,236 | $19.4M |
| 2 | Walgreen Co | Centralized Flu | Lakewood, CO | 70,292 | $10.9M |
| 3 | Albertsons LLC | Centralized Flu | Boise, ID | 39,882 | $6.1M |
| 4 | American Drug Stores LLC | Centralized Flu | Boise, ID | 31,449 | $4.9M |
| 5 | Vaxcare LLC | Centralized Flu | Orlando, FL | 25,701 | $4.0M |
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