How much does ER visit, level 4 cost in Riverside, CA?
CPT 99284 — the fair price, every hospital's price, and the Medicare benchmark for Riverside, CA.
| Facility | Type | Price | vs Medicare | Quality |
|---|---|---|---|---|
| Providence St. Joseph Hospital (Orange) lowest | Hospital | $258cash | 0.6× | ★★★★★ |
| Eisenhower Medical Center (Rancho Mirage) | Hospital | $266cash | 0.6× | ★★★★★ |
| Providence Mission Hospital (Mission Viejo) | Hospital | $332cash | 0.8× | ★★★★★ |
| 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× | — |
| Dignity St. Bernardine Medical Center (San Bernardino) | Hospital | $1,420cash | 3.3× | — |
| Kaiser Permanente Fontana Medical Center (Fontana) | Hospital | $1,953cash | 4.6× | — |
| Loma Linda University Medical Center – Murrieta (Murrieta) | Hospital | $2,025cash | 4.8× | — |
| Loma Linda University Medical Center (Loma Linda) | Hospital | $2,069cash | 4.9× | ★★★★★ |
| Providence St. Mary Medical Center (Apple Valley) | Hospital | $2,314cash | 5.4× | — |
| Providence St. Jude Medical Center (Fullerton) | Hospital | $2,534cash | 6.0× | ★★★★★ |
| Pomona Valley Hospital Medical Center (Pomona) | Hospital | $3,818negotiated | 9.0× | ★★★★★ |
| MemorialCare Orange Coast Medical Center (Fountain Valley) | Hospital | $4,035cash | 9.5× | — |
| MemorialCare Saddleback Medical Center (Laguna Hills) | Hospital | $4,035cash | 9.5× | ★★★★★ |
| JFK Memorial Hospital (Indio) | Hospital | $4,703cash | 11.0× | — |
| Desert Regional Medical Center (Palm Springs) | Hospital | $4,942cash | 11.6× | — |
| Riverside University Health System Medical Center (Moreno Valley) | Hospital | $5,080cash | 11.9× | — |
| Riverside Community Hospital (Riverside) gross charge | Hospital | $10,526cash | 24.7× | — |
- 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 $2,025.00, and negotiated rates at nearby facilities run $1,260.40–$4,035.00. 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.
What should 99284 cost in Riverside, CA?
For ER visit, level 4 (CPT 99284) in Riverside, CA, a fair self-pay price is around $2,025, with hospitals ranging from $1,260 to $4,035 across 20 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 Riverside, CA?
A fair self-pay price for ER visit, level 4 (CPT 99284) in Riverside, CA is around $2,025, with hospital prices ranging from $1,260 to $4,035 across 20 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.
Compare other procedures in Riverside, CA
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.