How much does total knee replacement (arthroplasty) cost in California?
CPT 27447 — 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.
27447 Total knee replacement (arthroplasty)
Ask to pay
$3,744
This is the local cash / self-pay price — usually the best rate you can ask for.
Typical
$16,876
Medicare $12,867
Ask $3,744
$105 lowboxed = typical rangehigh $64,740
What Medicare paysⓘ
$12,867
Typical price near you
$16,876
Cash / self-pay price
$3,744
Prices near you — 74 facilities, lowest first
| Facility | Type | Price | vs Medicare | Quality |
|---|---|---|---|---|
| Adventist Health Bakersfield (Bakersfield) lowest ⚠ likely error | Hospital | $105cash | 0.0× | — |
| Adventist Health Glendale (Glendale) ⚠ likely error | Hospital | $113cash | 0.0× | ★★★★★ |
| Adventist Health White Memorial (Los Angeles) ⚠ likely error | Hospital | $135cash | 0.0× | — |
| Cedars-Sinai Medical Center (Los Angeles) ⚠ likely error | Hospital | $937cash | 0.1× | ★★★★★ |
| Community Regional Medical Center (Fresno) ⚠ likely error | Hospital | $1,489negotiated | 0.1× | — |
| Clovis Community Medical Center (Clovis) ⚠ likely error | Hospital | $1,489negotiated | 0.1× | — |
| Harbor-UCLA Medical Center (Torrance) ⚠ likely error | Hospital | $2,479negotiated | 0.2× | — |
| Los Angeles General Medical Center (Los Angeles) ⚠ likely error | Hospital | $2,489negotiated | 0.2× | ★★★★★ |
| Kaweah Health Medical Center (Visalia) ⚠ likely error | Hospital | $2,512cash | 0.2× | — |
| JFK Memorial Hospital (Indio) ⚠ likely error | Hospital | $2,943negotiated | 0.2× | — |
| Desert Regional Medical Center (Palm Springs) ⚠ likely error | Hospital | $2,986negotiated | 0.2× | — |
| Stanford Health Care (Stanford) | Hospital | $3,744cash | 0.3× | ★★★★★ |
| Natividad Medical Center (Salinas) | Hospital | $4,360cash | 0.3× | — |
| Pomona Valley Hospital Medical Center (Pomona) | Hospital | $7,188negotiated | 0.6× | ★★★★★ |
| Stanford Health Care Tri-Valley (Pleasanton) | Hospital | $9,316negotiated | 0.7× | — |
| Riverside Community Hospital (Riverside) | Hospital | $9,667negotiated | 0.8× | — |
| Dignity Glendale Memorial Hospital (Glendale) | Hospital | $11,408negotiated | 0.9× | — |
| Good Samaritan Hospital (San Jose) | Hospital | $11,861negotiated | 0.9× | — |
| Dignity Bakersfield Memorial Hospital (Bakersfield) | Hospital | $13,593negotiated | 1.1× | — |
| Dignity St. Bernardine Medical Center (San Bernardino) | Hospital | $13,799negotiated | 1.1× | — |
| Dignity Mercy San Juan Medical Center (Carmichael) | Hospital | $14,501negotiated | 1.1× | — |
| Dignity Northridge Hospital Medical Center (Northridge) | Hospital | $14,859negotiated | 1.2× | ★★★★★ |
| Kaiser Permanente Fontana Medical Center (Fontana) | Hospital | $15,635negotiated | 1.2× | — |
| Kaiser Permanente Los Angeles Medical Center (Los Angeles) | Hospital | $15,635negotiated | 1.2× | ★★★★★ |
| Kaiser Permanente San Diego Zion Medical Center (San Diego) | Hospital | $15,635negotiated | 1.2× | ★★★★★ |
| Dignity Mercy General Hospital (Sacramento) | Hospital | $15,945negotiated | 1.2× | ★★★★★ |
| Providence Mission Hospital (Mission Viejo) | Hospital | $16,002negotiated | 1.2× | ★★★★★ |
| Providence St. Jude Medical Center (Fullerton) | Hospital | $16,343negotiated | 1.3× | ★★★★★ |
| Dignity St. Mary Medical Center (Long Beach) | Hospital | $16,349negotiated | 1.3× | — |
| Dignity California Hospital Medical Center (Los Angeles) | Hospital | $16,349negotiated | 1.3× | — |
| Dignity St. John's Regional Medical Center (Oxnard) | Hospital | $16,349negotiated | 1.3× | — |
| Dignity Mercy Medical Center Redding (Redding) | Hospital | $16,349negotiated | 1.3× | — |
| Tri-City Medical Center (Oceanside) | Hospital | $16,513negotiated | 1.3× | — |
| Providence Cedars-Sinai Tarzana Medical Center (Tarzana) | Hospital | $16,513negotiated | 1.3× | ★★★★★ |
| Providence Little Company of Mary Torrance (Torrance) | Hospital | $16,678negotiated | 1.3× | ★★★★★ |
| Providence Saint Joseph Medical Center (Burbank) | Hospital | $16,678negotiated | 1.3× | — |
| Providence Holy Cross Medical Center (Mission Hills) | Hospital | $16,843negotiated | 1.3× | — |
| Providence St. Joseph Hospital (Orange) | Hospital | $16,876negotiated | 1.3× | ★★★★★ |
| Providence Queen of the Valley Medical Center (Napa) | Hospital | $16,934negotiated | 1.3× | — |
| Providence St. Mary Medical Center (Apple Valley) | Hospital | $17,008negotiated | 1.3× | — |
| UCLA Santa Monica Medical Center (Santa Monica) | Hospital | $17,240negotiated | 1.3× | ★★★★★ |
| Hoag Memorial Hospital Presbyterian (Newport Beach) | Hospital | $17,349negotiated | 1.3× | ★★★★★ |
| Rady Children's Hospital (San Diego) | Hospital | $17,366negotiated | 1.3× | — |
| Dignity Dominican Hospital (Santa Cruz) | Hospital | $17,677negotiated | 1.4× | — |
| Dignity St. Joseph's Medical Center (Stockton) | Hospital | $17,715negotiated | 1.4× | — |
| Ronald Reagan UCLA Medical Center (Los Angeles) | Hospital | $17,983negotiated | 1.4× | ★★★★★ |
| Loma Linda University Medical Center – Murrieta (Murrieta) | Hospital | $18,012negotiated | 1.4× | — |
| Providence Santa Rosa Memorial Hospital (Santa Rosa) | Hospital | $18,030negotiated | 1.4× | — |
| MemorialCare Long Beach Medical Center (Long Beach) | Hospital | $18,164negotiated | 1.4× | ★★★★★ |
| Loma Linda University Medical Center (Loma Linda) | Hospital | $18,164negotiated | 1.4× | ★★★★★ |
| MemorialCare Saddleback Medical Center (Laguna Hills) | Hospital | $18,164negotiated | 1.4× | ★★★★★ |
| Dignity Sequoia Hospital (Redwood City) | Hospital | $18,687negotiated | 1.5× | ★★★★★ |
| UCSF Medical Center (San Francisco) | Hospital | $18,781negotiated | 1.5× | ★★★★★ |
| MemorialCare Orange Coast Medical Center (Fountain Valley) | Hospital | $19,485negotiated | 1.5× | — |
| Los Robles Health System (Thousand Oaks) | Hospital | $20,481negotiated | 1.6× | — |
| UCI Health – Lakewood (Lakewood) | Hospital | $20,641negotiated | 1.6× | — |
| UCI Health – Los Alamitos (Los Alamitos) | Hospital | $20,641negotiated | 1.6× | — |
| UCI Medical Center (Orange) | Hospital | $20,641negotiated | 1.6× | ★★★★★ |
| UCI Health – Placentia Linda (Placentia) | Hospital | $20,641negotiated | 1.6× | — |
| Keck Hospital of USC (Los Angeles) | Hospital | $20,641negotiated | 1.6× | ★★★★★ |
| UCI Health – Fountain Valley (Fountain Valley) | Hospital | $20,641negotiated | 1.6× | — |
| Kaiser Permanente Fresno Medical Center (Fresno) | Hospital | $25,760cash | 2.0× | — |
| Kaiser Permanente Sacramento Medical Center (Sacramento) | Hospital | $25,760cash | 2.0× | ★★★★★ |
| Kaiser Permanente San Francisco Medical Center (San Francisco) | Hospital | $25,760cash | 2.0× | ★★★★★ |
| UC Davis Medical Center (Sacramento) gross charge | Hospital | $33,182negotiated | 2.6× | ★★★★★ |
| Sutter Santa Rosa Regional Hospital (Santa Rosa) gross charge | Hospital | $41,197negotiated | 3.2× | — |
| Sutter Alta Bates Summit Medical Center (Oakland) gross charge | Hospital | $41,498negotiated | 3.2× | — |
| Sutter Mills-Peninsula Medical Center (Burlingame) gross charge | Hospital | $41,691negotiated | 3.2× | ★★★★★ |
| UC San Diego Health - Hillcrest & Jacobs Medical Center (San Diego) gross charge | Hospital | $46,531cash | 3.6× | — |
| Sutter Memorial Medical Center (Modesto) gross charge | Hospital | $61,651negotiated | 4.8× | — |
| Sutter Roseville Medical Center (Roseville) gross charge | Hospital | $61,651negotiated | 4.8× | ★★★★★ |
| Sutter Eden Medical Center (Castro Valley) gross charge | Hospital | $64,740negotiated | 5.0× | — |
| Sutter Medical Center Sacramento (Sacramento) gross charge | Hospital | $64,740negotiated | 5.0× | ★★★★★ |
| Sutter CPMC Van Ness Campus (San Francisco) gross charge | Hospital | $64,740negotiated | 5.0× | — |
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. 21 unusually low/high prices excluded from the typical price as likely data errors.
💬 What to say — negotiation scripts
- For 27447 (Total knee replacement (arthroplasty)), Medicare's benchmark rate is $12,866.82. A fair self-pay target for this line is $3,744.50. If I was charged more than that, please reduce it toward this benchmark.
- Your own published cash / self-pay price for 27447 is $3,744.50, and negotiated rates at nearby facilities run $13,160.00–$20,640.86. 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 total knee replacement (arthroplasty) prices in another area
What should 27447 cost in California?
For total knee replacement (arthroplasty) (CPT 27447) in California, a fair self-pay price is around $16,876, with hospitals ranging from $13,160 to $20,641 across 74 facilities. Medicare's benchmark rate is $12,867, 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 total knee replacement (arthroplasty) cost in California?
A fair self-pay price for total knee replacement (arthroplasty) (CPT 27447) in California is around $16,876, with hospital prices ranging from $13,160 to $20,641 across 74 facilities. These are estimates from hospital-published prices, not a guarantee.
What is the Medicare rate for CPT 27447?
Medicare pays about $12,867 for total knee replacement (arthroplasty) (CPT 27447). 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 total knee replacement (arthroplasty)?
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.