CMS Price Transparency Data

Total knee replacement

Facility: Wellstar Windy Hill Hospital

Billing Code: 27447 (CPT)

The BaseRate · fair price low confidence

A fair price for this

$7,474

about 0.6× the $13,117 Medicare rate · typically $1,728–$16,142

modeled estimate · not a bill or quote

What this hospital charges insurers

$16,710

Well above the fair price

about $9,236 over the fair price · 1.3× Medicare

Medicare pays $13,117 Fair price $7,474 This hospital $16,710

How we calculate the fair BaseRate →

How this hospital compares to other GA hospitals

Highest price of the 9 GA hospitals we have prices for — worth calling around.

Cheapest $3,574 Priciest $16,710

Black dot = this hospital, among the 9 GA hospitals with a price for this procedure. Full list below.

A fair price for a Total knee replacement is about $7,474 (about 0.6× the $13,117 Medicare rate). Wellstar Windy Hill Hospital charges insurers about $16,710 — well above the fair price. Located in Marietta, GA.

This price is above the fair BaseRate — you may be able to pay less

Ask the hospital for the cash / self-pay price, check whether you qualify for financial assistance, or negotiate the bill down toward the fair price of about $7,474. Many patients pay well below the first number they’re quoted — the checklists below walk you through it.

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	$16,710	127%
Blue Cross Blue Shieldmajor	$12,661 - $47,066	97%
Aetnamajor	$8,245 - $12,413	63%
Cignamajor	$13,033	99%
Ambetter (Centene)	$21,846	167%
CareSource	$24,329	185%
Clover Health	$13,282	101%
Oscar Health	$22,963	175%

Self-Pay How to get the cash price

Tell the billing desk you want to be billed as self-pay — not through insurance — before your visit.
Ask for the cash / prompt-pay discount in writing, with the exact price, before you agree to anything.
Get it in writing that they won’t also bill your insurance, so the cash price is what you owe.
Check the CPT code on your bill matches exactly: 27447.

Insurance Before you use insurance

Call your insurance company to confirm Wellstar Windy Hill Hospital is in-network.
Ask your insurer whether prior approval is required for CPT code 27447.
Confirm the doctor or provider is in-network too — not just the hospital building.
Check your Explanation of Benefits against the hospital’s final itemized bill.

Estimate your out-of-pocket cost

A rough estimate of what you’d pay with insurance (deductible + coinsurance) versus paying the cash price yourself.

How you’d pay

Deductible left to meet ($)

Your coinsurance (%)

Enter your details and press estimate to compare.

Other Procedures at Wellstar Windy Hill Hospital

Compare: Total knee replacement at other GA hospitals

Insurance negotiated median for the same procedure, sorted lowest first.