CMS Price Transparency Data

Blood test, magnesium

Facility: Kaiser Foundation Hospital Fontana/Ontario

Billing Code: 83735 (CPT)

The BaseRate · fair price high confidence
A fair price for this
$7
about 1.0× the $7 Medicare rate · typically $6–$12
modeled estimate · not a bill or quote
What this hospital charges insurers
$6
Below the fair price — a good deal
about $1 under the fair price · 0.9× Medicare
Medicare pays $7 Fair price $7 This hospital $6 Cash price $106 Hospital's list price $204

How we calculate the fair BaseRate →

How this hospital compares to other CA hospitals

One of the lower prices — 0 of 8 other CA hospitals charge more for the same procedure.

Cheapest $6 Priciest $6

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 test, magnesium is about $7 (about 1.0× the $7 Medicare rate). Kaiser Foundation Hospital Fontana/Ontario charges insurers about $6, or about $106 in cash — below the fair price — a good deal. Located in Fontana, CA.

What each insurance company pays

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

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

✓ Kaiser Permanente UnitedHealthcareBlue Cross Blue ShieldAetnaCignaHumana

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
Kaiser Permanentemajor $5 - $15 75%

Self-Pay How to get the cash price

Insurance Before you use insurance

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Facility Profile & Credentials

  • Address: 9961 Sierra Ave, Fontana, CA 92335
  • CMS Rating: ★★★☆☆
  • Ownership Type: Voluntary non-profit - Private
  • Hospital Type: Acute Care Hospitals