---
type: "Bill"
title: "Medicaid provider rates; providing for certain supplemental reimbursement; providing procedures. Effective date."
description: "Medicaid provider rates; providing for certain supplemental reimbursement; providing procedures. Effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2017-2018"
identifier: "SB 1591"
citation: "Oklahoma SB 1591 (2017-2018)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["David", "Wallace"]
version_count: 4
action_count: 23
vote_count: 2
first_action: "2018-04-11"
last_action: "2018-05-08"
source: "openstates"
source_identifier: "ocd-bill/587d3824-bf56-40dd-a69d-5aaf494d3ae3"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=SB1591&session=1800"
source_hash: "5757207e8104c6d174019ed457c4b1faa5eea6f6fc08c8f26063cedbcc47084a"
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-ok"]
---

# Oklahoma SB 1591 (2017-2018) — Medicaid provider rates; providing for certain supplemental reimbursement; providing procedures. Effective date.

## Version chain

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

1. **Introduced** (filed) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 INT/SB/SB1591 INT.PDF)
2. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 ENGR/SB/SB1591 ENGR.PDF)
3. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 ENR/SB/SB1591 ENR.PDF)
4. **Senate Committee Substitute** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 COMMITTEE SUBS/SCS/SB1591 CS.PDF)

## Votes

- THIRD READING — **84–1** (pass) · lower
- THIRD READING — **39–4** (pass) · upper

## Sponsors

- David — primary (person)
- Wallace — primary (person)

## Timeline

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

- **2018-04-11** First Reading `introduction, reading-1`
- **2018-04-11** Authored by Senator David
- **2018-04-11** Coauthored by Senator Fields
- **2018-04-11** Coauthored by Representative Wallace (principal House author)
- **2018-04-11** Coauthored by Representative Casey
- **2018-04-12** Second Reading referred to Joint Committee on Appropriations and Budget `reading-2, referral-committee`
- **2018-04-27** Reported Do Pass, amended by committee substitute Joint Committee on Appropriations and Budget committee; JCR filed `committee-passage`
- **2018-04-27** Emergency removed
- **2018-04-30** JCR adopted
- **2018-04-30** Measure passed: Ayes: 39 Nays: 4 `passage`
- **2018-04-30** Referred for engrossment
- **2018-04-30** Engrossed to House `passage`
- **2018-04-30** First Reading `introduction, reading-1`
- **2018-05-01** Second Reading, direct to Joint Calendar
- **2018-05-02** General Order
- **2018-05-02** JCR adopted
- **2018-05-02** Third Reading, Measure passed: Ayes: 84 Nays: 1 `reading-3, passage`
- **2018-05-02** Signed, returned to Senate
- **2018-05-02** Referred for enrollment
- **2018-05-02** Enrolled, to House
- **2018-05-02** Signed, returned to Senate
- **2018-05-02** Sent to Governor `executive-receipt`
- **2018-05-08** Approved by Governor 05/08/2018 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/587d3824-bf56-40dd-a69d-5aaf494d3ae3`. Confidence: reported (aggregated from official Oklahoma legislature records).