CMS Price Transparency Data

Blood transfusion

Facility: John Muir Medical Center - Walnut Creek Campus

Billing Code: 36430 (CPT)

The BaseRate · fair price medium confidence

A fair price for this

$654

about 1.5× the $451 Medicare rate · typically $421–$2,150

modeled estimate · not a bill or quote

What this hospital charges insurers

$623

About the fair price

about $31 under the fair price · 1.4× Medicare

Medicare pays $451 Fair price $654 This hospital $623 Cash price $3,692 Hospital's list price $8,204

How we calculate the fair BaseRate →

How this hospital compares to other CA hospitals

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

Cheapest $87 Priciest $623

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

⚠ The cash price looks unusually high next to the insurance price — it may be the full list price, not a real cash discount. Call to confirm the self-pay rate.

A fair price for a Blood transfusion is about $654 (about 1.5× the $451 Medicare rate). John Muir Medical Center - Walnut Creek Campus charges insurers about $623, or about $3,692 in cash — about the fair price. Located in Walnut Creek, CA.

What each insurance company pays

Which insurers have negotiated a price with this hospital for this procedure — and which haven’t.

6 of 6 major insurers have a published price at this hospital

✓ UnitedHealthcare✓ Blue Cross Blue Shield✓ Aetna✓ Cigna✓ Humana✓ Kaiser 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	$54 - $5,903	12%
Blue Cross Blue Shieldmajor	$623 - $6,561	138%
Aetnamajor	$623 - $7,298	138%
Cignamajor	$2,874 - $7,226	638%
Humanamajor	$623 - $8,378	138%
Kaiser Permanentemajor	$3,893 - $8,176	864%
Health Net	$611 - $5,759	136%
+ 29 smaller / regional plans	$7 - $12,000

Government programs also on file: Medicare, Military & VA.

Excludes 11 rental-network / third-party entries (e.g. Multiplan, PHCS) — these are pricing networks, not insurers.

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 (about 3,692), 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: 36430.

Insurance Before you use insurance

Call your insurance company to confirm John Muir Medical Center - Walnut Creek Campus is in-network.
Ask your insurer whether prior approval is required for CPT code 36430.
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 John Muir Medical Center - Walnut Creek Campus

Compare: Blood transfusion at other CA hospitals

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