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My HMO sent me to a network hospital, but the anesthesiologist was non-network and billed me. Do I owe it?

Health insuranceWho paysTexasChecked Nov 6, 2026

From K.Actuary, founded by Sangmin Kwon, ASA · sources checked 2026-11-06 · Source: Texas Insurance Code · Chapter 1271 · § 1271.157(a) «Non-Network Facility-Based Providers» View original ↗

In short

  1. Texas makes your HMO pay that doctor, not you [2].
  2. You owe only your share under the plan, and no more [3].
  3. There is one way out of that, and you had to sign for it [4].

What this means

Texas wrote this rule for HMO coverage, and the term to know is facility-based provider. It means a physician or provider who provides health care services to patients of a health care facility [1]. Was the facility a network provider? Then your HMO must pay the covered service. It pays at the usual and customary rate, or at an agreed rate [2]. It must pay that physician or provider directly [2]. The deadline is the 30th day after a clean electronic claim. For a claim on paper it is the 45th day [2].

Now your side. A non-network facility-based provider may not bill you more than your copayment, coinsurance and deductible [3]. The law adds that you do not have financial responsibility above that amount [3]. The same bar covers anyone claiming as an agent or assignee of the provider [3]. So a billing company sits in the same place. Your share is based on the amount the HMO first determined payable [3]. If its internal appeal changed that amount, the changed one is used [3]. And it may not be based on any additional amount determined to be owed to the provider under Chapter 1467 [3].

There is one carve-out, and it has parts. The section does not apply to a nonemergency service that you elect in writing, in advance, for each non-network provider [4]. And before the service, that provider must give you a complete written disclosure [4]. The disclosure must explain that the provider has no contract with your plan [4]. It must disclose projected amounts you may be responsible for [4]. And it must disclose the circumstances under which you would owe those amounts [4]. Did nobody hand you that? Then write that down in your letter.

Your own paperwork should carry the proof. For a service by a non-network provider, your HMO must put a notice in the explanation of benefits [5]. That notice must state the billing prohibition that applies [5]. It must also give the total the provider may bill you, with your copayments, coinsurance, deductibles and other amounts itemized [5]. So put the explanation of benefits next to the bill. Is the bill higher than that total? That gap is what you dispute. These sections are the HMO ones. A preferred provider policy, or a plan your employer pays itself, runs on other rules.

Your next step

Put the explanation of benefits next to the bill. Find the line for the total that provider may bill you [5]. Then write to the provider billing office and to the HMO on the same day. Say the hospital was a network provider. Say your responsibility is limited to your copayment, coinsurance and deductible [3]. Ask the office for a corrected bill. Ask the HMO to confirm in writing that it paid the provider directly, and on what date [2]. Did anyone ask you to sign a written election, and give you a written disclosure before the service? If not, say so [4]. The sources give no deadline for your own letter. The dates they do give are the plan's: the 30th day after a clean electronic claim, or the 45th day on paper [2]. Keep a copy of every letter, with the date you sent it.

Check it yourself

Check that the hospital was a network provider in your plan on that date [2]. Then find the billing prohibition statement and the total you may be billed on your explanation of benefits [5]. Then look through your papers from before the service. Look for a written election naming that provider, and for a disclosure with projected amounts [4]. Whether a form you signed at the front desk meets that test: "Don't know yet" here, so ask for a copy of what you signed.

Where this comes from (5)

  1. [1] Texas Insurance Code · Chapter 1271 · § 1271.157(a) «Non-Network Facility-Based Providers» · checked 2026-11-06

    In this section, "facility-based provider" means a physician or provider who provides health care services to patients of a health care facility.
  2. [2] Texas Insurance Code · Chapter 1271 · § 1271.157(b) «Non-Network Facility-Based Providers» · checked 2026-11-06

    a health maintenance organization shall pay for a covered health care service performed for or a covered supply related to that service provided to an enrollee by a non-network physician or provider who is a facility-based provider at the usual and customary rate or at an agreed rate if the provider performed the service at a health care facility that is a network provider. The health maintenance organization shall m…
  3. [3] Texas Insurance Code · Chapter 1271 · § 1271.157(c) «Non-Network Facility-Based Providers» · checked 2026-11-06

    a non-network facility-based provider or a person asserting a claim as an agent or assignee of the provider may not bill an enrollee receiving a health care service or supply described by Subsection (b) in, and the enrollee does not have financial responsibility for, an amount greater than an applicable copayment, coinsurance, and deductible under the enrollee's health care plan that: (1) is based on: (A) the amount …
  4. [4] Texas Insurance Code · Chapter 1271 · § 1271.157(d) «Non-Network Facility-Based Providers» · checked 2026-11-06

    This section does not apply to a nonemergency health care or medical service: (1) that an enrollee elects to receive in writing in advance of the service with respect to each non-network physician or provider providing the service; and (2) for which a non-network physician or provider, before providing the service, provides a complete written disclosure to the enrollee that: (A) explains that the physician or provide…
  5. [5] Texas Insurance Code · Chapter 1271 · § 1271.008(a) «Balance Billing Prohibition Notice» · checked 2026-11-06

    A health maintenance organization shall provide written notice in accordance with this section in an explanation of benefits provided to the enrollee and the physician or provider in connection with a health care service or supply provided by a non-network physician or provider. The notice must include: (1) a statement of the billing prohibition under Section 1271.155 , 1271.157 , or 1271.158 , as applicable; (2) the…

How we found this

We matched your question to 5 official sources, quoted the exact lines, and re-checked each quote against its source on 2026-11-06.

What we don’t know yet

Your own plan or notice may say something different. If your letter cites another rule, send it and we will look again.

Every answer is checked against the official rule it quotes.

Information only — not legal advice. Your plan, insurer or agency decides.

This answer quotes the official sources listed above, with the date we checked them. Your own policy, notice and state rules control. We are not your lawyer or your insurer. We don’t file, argue or negotiate claims for you — you send any letter or form yourself.

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