How much does ER visit, level 4 cost in California?
CPT 99284 — the fair price, every hospital's price, and the Medicare benchmark for California.
Estimates only. Educational estimates from public Medicare
benchmarks and hospital-published prices — not a guarantee, and not legal, medical, or financial advice.
99284 ER visit, level 4
Ask to pay
$852
About 2.0× what Medicare pays — most hospitals accept a self-pay rate in this range.
Typical
$2,344
Medicare $426
Ask $852
$60 lowboxed = typical rangehigh $13,840
What Medicare paysⓘ
$426
Typical price near you
$2,344
Cash / self-pay price
$2,344
Prices near you — 87 facilities, lowest first
| Facility | Type | Price | vs Medicare | Quality |
|---|---|---|---|---|
| Adventist Health Bakersfield (Bakersfield) lowest ⚠ likely error | Hospital | $60cash | 0.1× | — |
| Adventist Health Glendale (Glendale) ⚠ likely error | Hospital | $63cash | 0.1× | ★★★★★ |
| Adventist Health White Memorial (Los Angeles) ⚠ likely error | Hospital | $76cash | 0.2× | — |
| Los Angeles General Medical Center (Los Angeles) | Hospital | $132negotiated | 0.3× | ★★★★★ |
| Harbor-UCLA Medical Center (Torrance) | Hospital | $132negotiated | 0.3× | — |
| Providence St. Joseph Hospital (Orange) | Hospital | $258cash | 0.6× | ★★★★★ |
| Eisenhower Medical Center (Rancho Mirage) | Hospital | $266cash | 0.6× | ★★★★★ |
| Providence Mission Hospital (Mission Viejo) | Hospital | $332cash | 0.8× | ★★★★★ |
| Natividad Medical Center (Salinas) | Hospital | $358cash | 0.8× | — |
| Centinela Hospital Medical Center (Inglewood) | Hospital | $534cash | 1.3× | — |
| Adventist Health Simi Valley (Simi Valley) | Hospital | $608cash | 1.4× | — |
| Providence Queen of the Valley Medical Center (Napa) | Hospital | $807cash | 1.9× | — |
| Providence Santa Rosa Memorial Hospital (Santa Rosa) | Hospital | $817cash | 1.9× | — |
| Dignity Mercy General Hospital (Sacramento) | Hospital | $930cash | 2.2× | ★★★★★ |
| Scripps Mercy Hospital Chula Vista (Chula Vista) | Hospital | $971cash | 2.3× | — |
| Scripps Memorial Hospital Encinitas (Encinitas) | Hospital | $971cash | 2.3× | ★★★★★ |
| Scripps Memorial Hospital La Jolla (La Jolla) | Hospital | $971cash | 2.3× | ★★★★★ |
| Scripps Mercy Hospital San Diego (San Diego) | Hospital | $971cash | 2.3× | ★★★★★ |
| Dignity Northridge Hospital Medical Center (Northridge) | Hospital | $1,003cash | 2.4× | ★★★★★ |
| Dignity Glendale Memorial Hospital (Glendale) | Hospital | $1,004cash | 2.4× | — |
| Dignity St. John's Regional Medical Center (Oxnard) | Hospital | $1,113cash | 2.6× | — |
| Dignity Mercy San Juan Medical Center (Carmichael) | Hospital | $1,169cash | 2.7× | — |
| Providence Little Company of Mary Torrance (Torrance) | Hospital | $1,169cash | 2.7× | ★★★★★ |
| Dignity Bakersfield Memorial Hospital (Bakersfield) | Hospital | $1,172cash | 2.8× | — |
| USC Arcadia Hospital (Arcadia) | Hospital | $1,181cash | 2.8× | — |
| Providence Holy Cross Medical Center (Mission Hills) | Hospital | $1,222cash | 2.9× | — |
| UCI Medical Center (Orange) | Hospital | $1,260cash | 3.0× | ★★★★★ |
| UCI Health – Fountain Valley (Fountain Valley) | Hospital | $1,260cash | 3.0× | — |
| UCI Health – Placentia Linda (Placentia) | Hospital | $1,260cash | 3.0× | — |
| UCI Health – Los Alamitos (Los Alamitos) | Hospital | $1,260cash | 3.0× | — |
| Providence Cedars-Sinai Tarzana Medical Center (Tarzana) | Hospital | $1,315cash | 3.1× | ★★★★★ |
| Dignity St. Bernardine Medical Center (San Bernardino) | Hospital | $1,420cash | 3.3× | — |
| Providence Saint Joseph Medical Center (Burbank) | Hospital | $1,586cash | 3.7× | — |
| Dignity St. Joseph's Medical Center (Stockton) | Hospital | $1,624cash | 3.8× | — |
| Dignity St. Mary Medical Center (Long Beach) | Hospital | $1,733cash | 4.1× | — |
| Kaiser Permanente San Diego Zion Medical Center (San Diego) | Hospital | $1,953cash | 4.6× | ★★★★★ |
| Kaiser Permanente Los Angeles Medical Center (Los Angeles) | Hospital | $1,953cash | 4.6× | ★★★★★ |
| Kaiser Permanente Fontana Medical Center (Fontana) | Hospital | $1,953cash | 4.6× | — |
| Loma Linda University Medical Center – Murrieta (Murrieta) | Hospital | $2,025cash | 4.8× | — |
| UCI Health – Lakewood (Lakewood) | Hospital | $2,045cash | 4.8× | — |
| Dignity California Hospital Medical Center (Los Angeles) | Hospital | $2,069cash | 4.9× | — |
| Loma Linda University Medical Center (Loma Linda) | Hospital | $2,069cash | 4.9× | ★★★★★ |
| Highland Hospital – Alameda Health System (Oakland) | Hospital | $2,299cash | 5.4× | — |
| Providence St. Mary Medical Center (Apple Valley) | Hospital | $2,314cash | 5.4× | — |
| Dignity Sequoia Hospital (Redwood City) | Hospital | $2,374cash | 5.6× | ★★★★★ |
| Tri-City Medical Center (Oceanside) | Hospital | $2,400cash | 5.6× | — |
| Providence St. Jude Medical Center (Fullerton) | Hospital | $2,534cash | 6.0× | ★★★★★ |
| Rady Children's Hospital (San Diego) | Hospital | $2,550cash | 6.0× | — |
| UCSF Medical Center (San Francisco) | Hospital | $2,550cash | 6.0× | ★★★★★ |
| Stanford Health Care Tri-Valley (Pleasanton) | Hospital | $2,704cash | 6.4× | — |
| Kaiser Permanente San Francisco Medical Center (San Francisco) | Hospital | $2,713cash | 6.4× | ★★★★★ |
| Kaiser Permanente Fresno Medical Center (Fresno) | Hospital | $2,713cash | 6.4× | — |
| Kaiser Permanente Sacramento Medical Center (Sacramento) | Hospital | $2,713cash | 6.4× | ★★★★★ |
| Kaweah Health Medical Center (Visalia) | Hospital | $2,773cash | 6.5× | — |
| Dignity Dominican Hospital (Santa Cruz) | Hospital | $2,792cash | 6.6× | — |
| Dignity Mercy Medical Center Redding (Redding) | Hospital | $2,793cash | 6.6× | — |
| John Muir Health Concord Medical Center (Concord) | Hospital | $3,232cash | 7.6× | — |
| John Muir Health Walnut Creek Medical Center (Walnut Creek) | Hospital | $3,232cash | 7.6× | ★★★★★ |
| Clovis Community Medical Center (Clovis) | Hospital | $3,360cash | 7.9× | — |
| Community Regional Medical Center (Fresno) | Hospital | $3,360cash | 7.9× | — |
| Pomona Valley Hospital Medical Center (Pomona) | Hospital | $3,818negotiated | 9.0× | ★★★★★ |
| Sharp Memorial Hospital (San Diego) | Hospital | $3,900cash | 9.2× | ★★★★★ |
| MemorialCare Orange Coast Medical Center (Fountain Valley) | Hospital | $4,035cash | 9.5× | — |
| MemorialCare Long Beach Medical Center (Long Beach) | Hospital | $4,035cash | 9.5× | ★★★★★ |
| MemorialCare Saddleback Medical Center (Laguna Hills) | Hospital | $4,035cash | 9.5× | ★★★★★ |
| UC Davis Medical Center (Sacramento) | Hospital | $4,591cash | 10.8× | ★★★★★ |
| UC San Diego Health - Hillcrest & Jacobs Medical Center (San Diego) | Hospital | $4,598cash | 10.8× | — |
| Sutter Medical Center Sacramento (Sacramento) | Hospital | $4,634cash | 10.9× | ★★★★★ |
| Sutter Memorial Medical Center (Modesto) | Hospital | $4,634cash | 10.9× | — |
| Sutter Roseville Medical Center (Roseville) | Hospital | $4,634cash | 10.9× | ★★★★★ |
| JFK Memorial Hospital (Indio) | Hospital | $4,703cash | 11.0× | — |
| Sharp Chula Vista Medical Center (Chula Vista) | Hospital | $4,710cash | 11.1× | — |
| Stanford Health Care (Stanford) | Hospital | $4,744cash | 11.1× | ★★★★★ |
| Scripps Green Hospital (La Jolla) | Hospital | $4,908cash | 11.5× | ★★★★★ |
| Desert Regional Medical Center (Palm Springs) | Hospital | $4,942cash | 11.6× | — |
| Riverside University Health System Medical Center (Moreno Valley) | Hospital | $5,080cash | 11.9× | — |
| Sutter Eden Medical Center (Castro Valley) | Hospital | $5,214cash | 12.2× | — |
| Sutter Santa Rosa Regional Hospital (Santa Rosa) | Hospital | $5,214cash | 12.2× | — |
| Sutter Mills-Peninsula Medical Center (Burlingame) | Hospital | $5,214cash | 12.2× | ★★★★★ |
| Sutter CPMC Van Ness Campus (San Francisco) | Hospital | $5,214cash | 12.2× | — |
| Sutter Alta Bates Summit Medical Center (Oakland) | Hospital | $5,214cash | 12.2× | — |
| Sharp Grossmont Hospital (La Mesa) | Hospital | $7,800cash | 18.3× | ★★★★★ |
| Sharp Coronado Hospital (Coronado) | Hospital | $7,800cash | 18.3× | ★★★★★ |
| Cedars-Sinai Medical Center (Los Angeles) | Hospital | $8,160cash | 19.2× | ★★★★★ |
| Los Robles Health System (Thousand Oaks) | Hospital | $9,270cash | 21.8× | — |
| Riverside Community Hospital (Riverside) gross charge | Hospital | $10,526cash | 24.7× | — |
| Good Samaritan Hospital (San Jose) gross charge | Hospital | $13,840cash | 32.5× | — |
Prices from each hospital's public machine-readable file; imaging & surgery-center prices are published self-pay rates (often the cheapest option). vs Medicare is how many times the Medicare rate each facility charges. 5 unusually low/high prices excluded from the typical price as likely data errors.
💬 What to say — negotiation scripts
- For 99284 (ER visit, level 4), Medicare's benchmark rate is $425.82. A fair self-pay target for this line is $851.64. If I was charged more than that, please reduce it toward this benchmark.
- Your own published cash / self-pay price for 99284 is $2,344.23, and negotiated rates at nearby facilities run $1,168.89–$4,590.61. Please apply a rate in that range to my bill rather than the gross charge.
- Please send a fully itemized bill listing every CPT/HCPCS/DRG code and its individual charge, so I can review each line against published rates.
- Separately, what is your financial assistance / charity care policy, and am I eligible? Please send me the application and the income thresholds.
See ER visit, level 4 prices in another area
What should 99284 cost in California?
For ER visit, level 4 (CPT 99284) in California, a fair self-pay price is around $2,344, with hospitals ranging from $1,169 to $4,591 across 87 facilities. Medicare's benchmark rate is $426, the floor to negotiate toward. The card above lists each hospital's price, cheapest first, with CMS quality stars.
Frequently asked questions
How much does ER visit, level 4 cost in California?
A fair self-pay price for ER visit, level 4 (CPT 99284) in California is around $2,344, with hospital prices ranging from $1,169 to $4,591 across 87 facilities. These are estimates from hospital-published prices, not a guarantee.
What is the Medicare rate for CPT 99284?
Medicare pays about $426 for ER visit, level 4 (CPT 99284). That's the negotiation floor — a fair cash-pay target is roughly 1.5–2× it, well below typical gross charges.
Can I negotiate the price of ER visit, level 4?
Yes. Under the federal Hospital Price Transparency rule hospitals must publish these rates, so you can ask to pay the cash or negotiated rate instead of the gross charge. Paste your bill on the home page for a ready-to-send appeal letter and the exact numbers to cite.
Got a bill for this?
If you were charged more than the fair price, you can usually negotiate it down. Paste your itemized bill to get a personalized appeal letter, the exact numbers to cite, an AI negotiation coach, and a charity-care eligibility check — free.
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Prices last refreshed September 2026 from each hospital's official CMS machine-readable file. Medicare rate: CY2025 OPPS/PFS/CLFS. Estimates only — not a guarantee.