Emergency visit, high (level 4) at John Muir Health Walnut Creek Medical Center. CPT 99284.
What John Muir Health Walnut Creek Medical Center publishes for this service, straight from its standard-charges file, last updated March 23, 2026.
Outpatient / ER
$3,232cash price (self-pay)
$14,259list price
$68.35–$7,018range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| Contra Costa County Jail [1012104] | Ccc Jail [101210401] | $68.35 |
| Tricare [1045006] | Tricare East [104500601] | $565 |
| United Behavioral Health Medicare [1048113] | Ubh Medicare Box 30757 [ | $589 |
| Humana Medicare [1030113] | Hpmg-Humana Medicare Advantage [103011301] | $589 |
| Alt Medicare A/B Rebill [1038003] | Medicare A And B [103800301] | $589 |
| Anthem Blue Cross Medicare [1002113] | Anthem Blue Cross Medicare Adva | $589 |
| Aetna Medicare [1001113] | Aetna Medicare Advantage HMO [100111301] | $589 |
| Humana Medicare [1030113] | Humana Medicare Advantage HMO-Other Medica | $589 |
| Center For Elders Independence Medicare [1097113] | Center For Elders | $589 |
| Health Net Medicare [1028113] | Hpmg-Health Net Medicare Advantage [10 | $589 |
| Blue Shield Medicare [1006113] | Blue Shield Medicare Advantage-Other | $589 |
| Covid19 Hrsa Uninsured Testing And Treatment Fund [1179012] | Covid19 | $589 |
| Essence Healthcare [1049028] | Essence Healthcare Platinum HMO [104902 | $589 |
| Alt Medicare [1038004] | Medicare [103800401] | $589 |
| Medicare [1038002] | Medicare Part B Only [103800204] | $589 |
| Scan Medicare [1043113] | Scan Medicare Advantage-Other Medical Group | $589 |
| Blue Cross Blue Shield Mcare [1007127] | Blue Cross Medicare Adv PPO [ | $589 |
| Medicare [1038202] | Medicare A And B [103820201] | $589 |
| Kaiser Medicare [1033113] | Kaiser Medicare Advantage [103311601] | $589 |
| Essence Healthcare [1049128] | Essence Healthcare Platinum HMO [104912 | $589 |
| United Healthcare Medicare [1049113] | United Medicare Advantage HMO-O | $589 |
| Humana-Network Mcare [1030127] | Humana Medicare Advantage-Mmg [103012 | $589 |
| Caremore [1171113] | Caremore Health Plan [117111301] | $589 |
| Care 1st Health Plan [1094113] | Abmg-Care 1st Medicare Advantage [109 | $589 |
| Scan Medicare [1043113] | Hpmg-Scan Medicare Advantage [104311301] | $589 |
| United Healthcare-Network Mcare [1049127] | United Medicare Advantage- | $589 |
| Veterans Administration [1051113] | Veterans Affairs [105111301] | $589 |
| Easy Choice Health Plan [1083113] | Easy Choice Medicare Advantage-Oth | $589 |
| Workers' Comp [1024005] | Workers' Comp-Not Otherwise Specified [10240 | $652 |
| Generic HMO [1018103] | HMO-Not Otherwise Specified [101810301] | $737 |
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All common services at John Muir Health Walnut Creek Medical Center