45 CFR § 149.610

Good Faith Estimates, explained for private practice

The federal rule is short, but almost every summary of it written for clinicians gets the timing wrong. These pages work through it with the regulation quoted alongside.

  1. 01

    Who needs a Good Faith Estimate

    Which therapy clients are owed a Good Faith Estimate under the No Surprises Act, including insured clients who choose not to bill their plan.

  2. 02

    When a Good Faith Estimate is due

    The delivery deadlines for a Good Faith Estimate run from the date of scheduling, not the appointment date. Worked examples for a therapy practice.

  3. 03

    What has to appear on a Good Faith Estimate

    The content elements a Good Faith Estimate must contain under 45 CFR 149.610(c), mapped to what a solo therapy practice actually fills in.

  4. 04

    The $400 rule and the dispute process

    How patient-provider dispute resolution works when a bill exceeds the Good Faith Estimate by $400 or more, and what a provider has to show.

  5. 05

    Insured clients who pay out of pocket

    Insured clients who choose not to submit a claim count as self-pay for Good Faith Estimate purposes. What that means for superbills and out-of-network work.

  6. 06

    CPT codes used in therapy estimates

    The service codes a psychotherapy practice most often puts on a Good Faith Estimate, and how session length and add-ons affect which one applies.

  7. 07

    Recurring therapy and the 12-month limit

    One Good Faith Estimate can cover a course of ongoing therapy, but its scope may not exceed 12 months. How to describe frequency and when to reissue.

Reviewed August 2026

EstimateHarbor is not a law firm and none of this is legal advice. It summarises the federal rule as we read it; your state may add requirements, and how it applies to your practice is a question for your own counsel or professional association.

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