Emergency visit, high (level 4) at Greenwich Hospital. CPT 99284.
What Greenwich Hospital publishes for this service, straight from its standard-charges file, last updated September 19, 2026.
Outpatient / ER
$556cash price (self-pay)
$1,485list price
$150–$1,712range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| HIP / Emblem Health | All Plans | $208 |
| Medicare Advantage - Aetna | All Plans | $236 |
| Medicare Advantage - UHC | All Plans | $244 |
| Medicare Advantage - Wellcare | All Plans | $250 |
| Medicare Advantage - Empire Blue Cross | All Plans | $251 |
| GHI / Emblem Health | All Plans | $253 |
| Medicare Advantage - CtCare | All Plans | $257 |
| Optum | All Plans | $357 |
| Aetna | All Plans | $479 |
| Oscar Health | All Plans | $487 |
| Cigna | All Plans | $585 |
| GreatWest | All Plans | $609 |
| Empire Blue Cross | All Plans | $683 |
| Advanced Medical Pricing Solutions (AMPS) | All Plans | $728 |
| ClaimDOC | All Plans | $728 |
| Champus | All Plans | $728 |
| Create Alliance | All Plans | $743 |
| MagnaCare | All Plans | $824 |
| MultiPlan | All Plans | $966 |
| Oxford | All Plans | $989 |
| Harvard Pilgrim | All Plans | $1,007 |
| UHC | All Plans | $1,110 |
| FirstHealth | All Plans | $1,263 |
| Three Rivers Provider Network (TRPN) | All Plans | $1,337 |
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