---
type: "Bill"
title: "SURPRISE BILLING PROTECTION ACT"
description: "SURPRISE BILLING PROTECTION ACT"
jurisdiction: "us/states/nm"
legislature: "New Mexico Legislature"
session: "2019"
identifier: "SB 337"
citation: "New Mexico SB 337 (2019)"
classification: ["bill"]
subjects: ["HEALTH & HEALTH FACILITIES"]
status: "enacted"
primary_sponsors: ["Lopez, Linda M."]
version_count: 4
action_count: 9
vote_count: 0
first_action: "2019-01-24"
last_action: "2019-04-04"
source: "openstates"
source_identifier: "ocd-bill/c7f12cd2-9d90-4ba3-aa37-51e29c6889ee"
source_url: "http://www.nmlegis.gov/Legislation/Legislation?chamber=S&legType=B&legNo=337&year=19"
source_hash: "01914a786685ac8cbbfd016d890e47e101535e1afafc7d836880b02f83f8e30e"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-nm"]
---

# New Mexico SB 337 (2019) — SURPRISE BILLING PROTECTION ACT

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Amendments in Context** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/19%20Regular/Amendments_In_Context/SB0337.pdf)
2. **CT substitute** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/19%20Regular/bills/senate/SB0337CTS.HTML)
3. **Final Version** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/19%20Regular/final/SB0337.PDF)
4. **introduced version** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/19%20Regular/bills/senate/SB0337.HTML)

## Sponsors

- Lopez, Linda M. — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2019-01-24** Sent to Senate Corporations and Transportation Committee & Senate Judiciary Committee `introduction, referral-committee`
- **2019-02-28** DO NOT PASS, replaced with committee substitute `committee-passage`
- **2019-03-09** DO PASS, as amended, committee report adopted `committee-passage-favorable`
- **2019-03-10** passed Senate `passage`
- **2019-03-10** Sent to House Health & Human Services Committee `introduction, referral-committee`
- **2019-04-04** Signed `executive-signature`
- **2019-03-15** passed House `passage`
- **2019-03-15** Senate concurred in House amendments
- **2019-03-13** DO PASS, as amended, committee report adopted `committee-passage-favorable`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/c7f12cd2-9d90-4ba3-aa37-51e29c6889ee`. Confidence: reported (aggregated from official New Mexico legislature records).