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Surprise medical bill in California: your protections

A “surprise” bill is one you get for out-of-network care you didn't choose — often after an emergency, or from a provider you didn't know was out-of-network. In California, many of these bills are limited or barred by law. Here's how to tell, and how to push back.

The No Surprises Act protects you in emergencies

Under the federal No Surprises Act (in effect since 2022), you generally cannot be balance-billed for out-of-network emergency care, or for out-of-network providers (like an anesthesiologist or radiologist) who treat you at an in-network hospital or facility. In those situations you should only owe your normal in-network cost-sharing — the same copay, coinsurance, or deductible you'd pay in-network.

California's own law adds protection

California's AB 72 (in effect since 2017) protects patients in state-regulated health plans from surprise balance bills when they go to an in-network facility but are treated by an out-of-network provider. Between the federal and state laws, most Californians with insurance are protected from these surprise out-of-network charges — you owe the in-network amount, not the difference.

How to dispute a surprise bill

If you get a bill that looks like an illegal balance bill, don't pay the disputed amount right away. Call your health plan and the provider, say the bill appears to violate the No Surprises Act or AB 72, and ask them to reprocess it at the in-network rate. Keep notes of every call. You can also file a complaint with the No Surprises Help Desk or California's Department of Managed Health Care.

If you're uninsured or paying cash

If you don't use insurance, providers must give you a good-faith estimate of the cost in advance. If your final bill is at least $400 more than the estimate, you can use the federal patient-provider dispute resolution process to challenge it. And you can always apply for the hospital's charity care — being uninsured often qualifies you for free or discounted care.

Know your protections

• You generally can't be balance-billed for out-of-network emergency care.
• Out-of-network providers at an in-network facility can't surprise-bill you.
• You should only owe your in-network cost-sharing amount.
• Uninsured patients are owed a good-faith estimate in advance.
• You can dispute a bill $400+ over the estimate, and apply for charity care.

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