CMS Price Transparency Data
Total knee replacement
Facility: Adventist Health Sonora
Billing Code: 27447 (CPT)
The BaseRate · fair price medium confidence
A fair price for this
$2,914
about 0.2× the $13,117 Medicare rate · typically $1,142–$8,945
modeled estimate · not a bill or quote
Medicare pays $13,117 Fair price $2,914 Cash price $120 Hospital's list price $703
What each insurance company pays
Which insurers have negotiated a price with this hospital for this procedure — and which haven’t.
4 of 6 major insurers have a published price at this hospital
✓ UnitedHealthcare✓ Blue Cross Blue Shield✓ Aetna✓ Cigna HumanaKaiser Permanente
Crossed out = this hospital hasn’t published a negotiated price for that insurer for this procedure. It doesn’t necessarily mean they aren’t accepted — ask your insurer.
| Insurance company | Price range | vs. Medicare |
|---|---|---|
| UnitedHealthcaremajor | $515 - $3,788 | 4% |
| Blue Cross Blue Shieldmajor | $1,145 - $2,402 | 9% |
| Aetnamajor | $2,302 | 18% |
| Cignamajor | $1,408 | 11% |
| Health Net | $598 - $1,668 | 5% |
| + 11 smaller / regional plans | $598 - $3,207 |
Government programs also on file: Medicaid, Military & VA.
Excludes 3 rental-network / third-party entries (e.g. Multiplan, PHCS) — these are pricing networks, not insurers.
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Other Procedures at Adventist Health Sonora
Compare: Total knee replacement at other CA hospitals
- Banner Lassen Medical Center · Susanville $2,457
- Southwest Healthcare Rancho Springs Hospital · Murrieta $2,694
- Valley Children's Hospital · Madera $2,991
- Palmdale Regional Medical Center · Palmdale $3,833
- Corona Regional Medical Center · Corona $3,851
- Mercy Medical Center · Merced $5,819
- Riverside Community Hospital · Riverside $5,892
- Mercy Hospital · Bakersfield $7,065
Insurance negotiated median for the same procedure, sorted lowest first.