Adjuvanted flu shot (65+) cost in Santa Rosa, CA
In Santa Rosa-Petaluma, CA, 4 hospitals list a cash price for adjuvanted flu shot (with an immune booster ingredient), for age 65 and older: from $125.44 to $244.43, with a median of $237.14. The lowest listed price is at Kaiser Foundation Hospital - Santa Rosa — $111.70 less than the median here. Across California, the median is $141.28 at 53 hospitals.
Cash prices at 4 facilities across 3 cities for code 90653, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Santa Rosa-Petaluma, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Kaiser Foundation Hospital - Santa Rosa lowest Santa Rosa, CA · (707) 571-4000 IIV ADJUVANTED VACCINE FOR INTRAMUSCULAR USE | $125.44 | $224.00 | — | 44% | — source file |
| Kaiser Foundation Hospital - Santa Rosa Santa Rosa, CA · (707) 571-4000 flu vaccine 2025-26 (65 yrs up) PF 45 mcg (15 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE | $152.15 | $271.70 | — | 44% | — source file |
| Healdsburg Hospital Healdsburg, CA · (707) 431-6500 HC PR RX INFLUENZA INACTIVATED IIV ADJUVANTED IM 0.5 ML | $229.84 | $450.67 | — | 49% | Apr 1, 2026 source file |
| Providence Santa Rosa Memorial Hospital Santa Rosa, CA · (707) 525-5300 INFLUENZA VAC TYPE A&B SURFACE ANT ADJ SUSP PREF SYR 0.5 ML | $244.43 | $479.27 | — | 49% | Apr 1, 2026 source file |
| Healdsburg Hospital Healdsburg, CA · (707) 431-6500 INFLUENZA VAC TYPE A&B SURFACE ANT ADJ SUSP PREF SYR 0.5 ML | $244.43 | $479.27 | — | 49% | Apr 1, 2026 source file |
| Petaluma Valley Hospital Petaluma, CA · (707) 778-1111 INFLUENZA VAC TYPE A&B SURFACE ANT ADJ SUSP PREF SYR 0.5 ML | $244.43 | $479.27 | — | 49% | Apr 1, 2026 source file |
Outpatient: lowest $125.44, median $237.14, highest $244.43 — a 1.9× difference within the same market.
As an inpatient, the same code is billed by 4 facilities here, median $237.14. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
What it is
The adjuvanted flu shot contains an added ingredient (MF59) that strengthens the immune response. It is one of three flu vaccines the CDC prefers for people 65 and older.
What the price covers
The price is for the vaccine dose. Giving the shot is usually a separate line (code 90471 for the first vaccine of the visit); Medicare bills use G0008 instead.