Emergency visit, high (level 4) at Mark Twain Medical Center. CPT 99284.
What Mark Twain Medical Center publishes for this service, straight from its standard-charges file, last updated February 28, 2026.
Outpatient / ER
$237cash price (self-pay)
$1,162list price
$92.10–$1,928range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| BCBS - Anthem | Medicaid|All Plans | $98.04 |
| California Health & Wellness | Medicaid|All Plans | $98.04 |
| Health Net | Medicaid|All Plans | $98.04 |
| Health Plan of San Joaquin | Medicaid|All Plans | $98.04 |
| Kaiser | Medicaid|All Plans | $98.04 |
| Aetna | Medicare|All Plans | $300 |
| BCBS - Anthem | Medicare|All Plans | $300 |
| Blue Shield CA | Medicare|All Plans | $300 |
| Care 1st | Medicare|All Plans | $300 |
| Health Net | Medicare|All Plans | $300 |
| Humana | Medicare|All Plans | $300 |
| Kaiser | Medicare|All Plans | $300 |
| Scan Health Plan | Medicare|All Plans | $300 |
| United | Medicare|All Plans | $300 |
| BCBS - Anthem | Commercial|Exchange | $713 |
| United | Commercial|Select | $789 |
| Blue Shield CA | Commercial|Exchange | $840 |
| Blue Shield CA | Commercial|HMO | $840 |
| Blue Shield CA | Commercial|PPO | $840 |
| First Health | Commercial|All Plans | $871 |
| United | Commercial|Choice | $904 |
| BCBS - Anthem | Commercial|All Other Plans | $914 |
| Health Net | Commercial|All Plans | $934 |
| Aetna | Commercial|All Other Plans | $949 |
| Aetna | Commercial|HMO | $949 |
| Aetna | Commercial|PPO | $949 |
| Kaiser | Commercial|All Plans | $987 |
| Cigna | Commercial|All Other Plans | $1,040 |
| Cigna | Commercial|PPO | $1,040 |
| United | Commercial|HMO | $1,066 |
Inpatient
$237cash price (self-pay)
$1,162list price
$193–$1,928range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| BCBS - Anthem | Commercial|Exchange | $629 |
| United | Commercial|Select | $676 |
| Blue Shield CA | Commercial|Exchange | $743 |
| Blue Shield CA | Commercial|HMO | $743 |
| Blue Shield CA | Commercial|PPO | $743 |
| United | Commercial|Choice | $775 |
| BCBS - Anthem | Commercial|All Other Plans | $806 |
| Health Net | Commercial|All Plans | $868 |
| First Health | Commercial|All Plans | $871 |
| United | Commercial|HMO | $911 |
| Aetna | Commercial|All Other Plans | $949 |
| Aetna | Commercial|HMO | $949 |
| Aetna | Commercial|PPO | $949 |
| Kaiser | Commercial|All Plans | $987 |
| Cigna | Commercial|All Other Plans | $1,040 |
| Cigna | Commercial|PPO | $1,040 |
| Multiplan | Commercial|All Plans | $1,138 |
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