CMS Price Transparency Data

Hip or knee replacement (inpatient stay)

Facility: UCSF Health St. Mary's Hospital

Billing Code: 470 (MS-DRG)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 470
Insurance Median: $25,571
Cash Discount Price: Unavailable
vs. Medicare Baseline: 1.82x Medicare

The contracted insurance negotiated median rate for a Hip or knee replacement (inpatient stay) at UCSF Health St. Mary's Hospital is $25,571. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is unavailable. Compared to the federal Medicare reimbursement reference rate of $14,044.15, this hospital’s rate is 1.82x the Medicare baseline. Located in 450 Stanyan St, San Francisco, CA.

Cash / Self-Pay

Unavailable

Average discount available for prompt cash payment at this facility.

Insurance Median

$25,571

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate

$14,044.15

Standard federal government reimbursement rate for this code.

Visual Cost Comparison vs. Medicare

Medicare Reference Baseline: $14,044.15 (100%)

Insurance Median: $25,571 (182%)

Ins. Median: $25,571 (182% of Medicare)

Understanding this gauge: We use the federal Medicare rate of $14,044.15 as the cost baseline. Rates below the baseline represent excellent value. In-network commercial rates commonly hover around 150% - 250% of Medicare, while rates exceeding 300% are elevated. Hover over the green and blue markers to view detailed calculations.

Out-of-Pocket Cost Estimator

Estimate whether it is more economical to use your insurance or pay the upfront self-pay cash rate.

Billing Status

Remaining Deductible ($)

Your Coinsurance Rate (%)

Input your details and click calculate to compare out-of-pocket costs.

Commercial Insurance Negotiated Rates

Negotiated contract ranges established by major commercial carriers at this facility.

Carrier / Plan Group	Contract Rate Range	vs. Medicare Reference
Aetna	$25,571	182%
Blue Cross Blue Shield	$25,571	182%
Blue Shield Ca	$25,571	182%
Chinese Community	$25,571	182%
Connected Care	$25,571	182%
Health Net	$25,571	182%
Health Plan San Mateo	$25,571	182%
Humana	$25,571	182%
Kaiser	$25,571	182%
Mhn	$25,571	182%
United	$26,082 - $48,941	186%
Kentfield	$74,155	528%
Oscar	$77,479	552%

Self-Pay Upfront Cash Action Plan

Request a "Self-Pay classification" with the billing desk before receiving care.
Ask for a written "Prompt-Pay Discount" agreement quoting the price of $X.
Request and sign a "Waiver of Insurance Submission" to prevent automatic billing.
Verify MS-DRG Code matches exactly: 470.

Insurance In-Network Protection Plan

Contact your insurance company to confirm UCSF Health St. Mary's Hospital is fully in-network.
Ask your insurer if "Prior Authorization" is required for MS-DRG code 470.
Confirm the specific physician or imaging center is also in-network (not just the hospital building).
Audit your Explanation of Benefits (EOB) against the final itemized hospital invoice.