republic-os/legislation/us/states/il/100th/hb-4515.md

---
type: "Bill"
title: "PHYSICIAN-DISCIPLINE EXEMPTION"
description: "Amends the Medical Practice Act of 1987. Exempts physicians from disciplinary action by the Department of Financial and Professional Regulation based solely upon the licensee's recommendation or provision of a treatment method for Lyme disease or other tick-borne disease if specified criteria are met. Effective immediately."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "100th"
identifier: "HB 4515"
citation: "Illinois HB 4515 (100th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 115
vote_count: 4
first_action: "2018-02-02"
last_action: "2018-11-30"
source: "openstates"
source_identifier: "ocd-bill/1e95cad3-2375-4dc7-b0c3-5829f50e8299"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=4515&GAID=14&DocTypeID=HB&LegId=109382&SessionID=91&GA=100"
source_hash: "d924ff14d497652acaf7754ba342f42fe96a0efffc1953b8408ecca9a74c5129"
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-il"]
---

# Illinois HB 4515 (100th) — PHYSICIAN-DISCIPLINE EXEMPTION

Amends the Medical Practice Act of 1987. Exempts physicians from disciplinary action by the Department of Financial and Professional Regulation based solely upon the licensee's recommendation or provision of a treatment method for Lyme disease or other tick-borne disease if specified criteria are met. Effective immediately.

## Version chain

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

1. **Introduced** (filed) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=10000HB4515&GA=100&SessionId=91&DocTypeId=HB&LegID=109382&DocNum=4515&GAID=14&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=10000HB4515eng&GA=100&SessionId=91&DocTypeId=HB&LegID=109382&DocNum=4515&GAID=14&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=10000HB4515enr&GA=100&SessionId=91&DocTypeId=HB&LegID=109382&DocNum=4515&GAID=14&Session=&print=true)

## Votes

- Third Reading — **56–0** (pass) · upper
- Motion — **110–0** (fail) · lower
- Third Reading — **103–2** (pass) · lower
- Motion — **48–0** (pass) · upper

## Sponsors

- Antonio Muñoz — cosponsor (person)
- Bill Cunningham — cosponsor (person)
- Chapin Rose — cosponsor (person)
- Chuck Weaver — cosponsor (person)
- Cristina Castro — cosponsor (person)
- Dale Fowler — cosponsor (person)
- Daniel Biss — cosponsor (person)
- Daniel Swanson — primary (person)
- David Koehler — cosponsor (person)
- Don Harmon — cosponsor (person)
- Heather A. Steans — cosponsor (person)
- Ira I. Silverstein — cosponsor (person)
- Iris Y. Martinez — cosponsor (person)
- Jacqueline Y. Collins — cosponsor (person)
- Jennifer Bertino-Tarrant — cosponsor (person)
- Jil Tracy — cosponsor (person)
- Jim Oberweis — cosponsor (person)
- John F. Curran — cosponsor (person)
- John J. Cullerton — cosponsor (person)
- Julie A. Morrison — cosponsor (person)
- Kimberly A. Lightford — cosponsor (person)
- Kwame Raoul — cosponsor (person)
- Linda Holmes — cosponsor (person)
- Mattie Hunter — cosponsor (person)
- Michael Connelly — cosponsor (person)
- Michael E. Hastings — cosponsor (person)
- Omar Aquino — cosponsor (person)
- Pamela J. Althoff — cosponsor (person)
- Pat McGuire — cosponsor (person)
- Patricia Van Pelt — cosponsor (person)
- Scott M. Bennett — cosponsor (person)
- Steven M. Landek — cosponsor (person)
- Sue Rezin — cosponsor (person)
- Terry Link — cosponsor (person)
- Thomas Cullerton — cosponsor (person)
- Toi W. Hutchinson — cosponsor (person)
- William R. Haine — cosponsor (person)
- Wm. Sam McCann — cosponsor (person)

## Timeline

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

- **2018-02-02** Filed with the Clerk by Rep. Daniel Swanson `filing`
- **2018-02-02** First Reading `reading-1`
- **2018-02-02** Referred to Rules Committee `referral-committee`
- **2018-02-12** Assigned to Health Care Licenses Committee `referral-committee`
- **2018-02-20** Added Chief Co-Sponsor Rep. Linda Chapa LaVia
- **2018-02-20** Added Co-Sponsor Rep. Mark Batinick
- **2018-02-22** Added Co-Sponsor Rep. Steven A. Andersson
- **2018-02-28** Added Co-Sponsor Rep. Michael Halpin
- **2018-03-08** Added Co-Sponsor Rep. Michael J. Zalewski
- **2018-04-10** Added Co-Sponsor Rep. Kathleen Willis
- **2018-04-10** Added Co-Sponsor Rep. Patricia R. Bellock
- **2018-04-10** Added Co-Sponsor Rep. Barbara Wheeler
- **2018-04-10** Added Co-Sponsor Rep. Terri Bryant
- **2018-04-10** Do Pass / Short Debate Health Care Licenses Committee; 016-000-000 `committee-passage`
- **2018-04-10** Placed on Calendar 2nd Reading - Short Debate
- **2018-04-18** Added Co-Sponsor Rep. Camille Y. Lilly
- **2018-04-18** Added Co-Sponsor Rep. Michelle Mussman
- **2018-04-18** Added Co-Sponsor Rep. Sheri Jesiel
- **2018-04-18** Added Co-Sponsor Rep. Steven Reick
- **2018-04-20** Added Co-Sponsor Rep. Silvana Tabares
- **2018-04-20** Added Co-Sponsor Rep. Tony McCombie
- **2018-04-20** Added Co-Sponsor Rep. Norine K. Hammond
- **2018-04-20** Added Co-Sponsor Rep. Avery Bourne
- **2018-04-20** Added Co-Sponsor Rep. Jerry Costello, II
- **2018-04-20** Added Co-Sponsor Rep. Randy E. Frese
- **2018-04-20** Added Co-Sponsor Rep. Tim Butler
- **2018-04-20** Added Co-Sponsor Rep. Peter Breen
- **2018-04-20** Added Co-Sponsor Rep. Jerry Lee Long
- **2018-04-20** Added Co-Sponsor Rep. Ryan Spain
- **2018-04-23** House Floor Amendment No. 1 Filed with Clerk by Rep. Daniel Swanson `amendment-introduction`
- **2018-04-23** House Floor Amendment No. 1 Referred to Rules Committee `referral-committee`
- **2018-04-24** House Floor Amendment No. 1 Rules Refers to Health Care Licenses Committee
- **2018-04-25** Second Reading - Short Debate `reading-2`
- **2018-04-25** Held on Calendar Order of Second Reading - Short Debate `reading-2`
- **2018-04-26** House Floor Amendment No. 1 Recommends Be Adopted Health Care Licenses Committee; 016-000-000 `committee-passage-favorable`
- **2018-04-27** Added Co-Sponsor Rep. Anthony DeLuca
- **2018-04-27** Added Co-Sponsor Rep. Martin J. Moylan
- **2018-04-27** Added Co-Sponsor Rep. Jonathan Carroll
- **2018-04-27** House Floor Amendment No. 1 Adopted `amendment-passage`
- **2018-04-27** Placed on Calendar Order of 3rd Reading - Short Debate
- **2018-04-27** Third Reading - Short Debate - Passed 103-002-001 `reading-3, passage`
- **2018-04-27** Added Chief Co-Sponsor Rep. Jerry Costello, II
- **2018-04-27** Removed Co-Sponsor Rep. Jerry Costello, II
- **2018-04-27** Added Chief Co-Sponsor Rep. Jeanne M Ives
- **2018-04-27** Added Chief Co-Sponsor Rep. Natalie Phelps Finnie
- **2018-05-01** Arrive in Senate `introduction`
- **2018-05-01** Placed on Calendar Order of First Reading `reading-1`
- **2018-05-01** Chief Senate Sponsor Sen. Neil Anderson
- **2018-05-01** First Reading `reading-1`
- **2018-05-01** Referred to Assignments `referral-committee`
- **2018-05-01** Added as Alternate Chief Co-Sponsor Sen. Chris Nybo
- **2018-05-01** Sponsor Removed Sen. Chris Nybo
- **2018-05-02** Alternate Chief Sponsor Changed to Sen. Chris Nybo
- **2018-05-02** Assigned to Public Health `referral-committee`
- **2018-05-02** Added as Alternate Co-Sponsor Sen. Jennifer Bertino-Tarrant
- **2018-05-03** Added as Alternate Chief Co-Sponsor Sen. Neil Anderson
- **2018-05-03** Added as Alternate Co-Sponsor Sen. Dale Fowler
- **2018-05-03** Added as Alternate Chief Co-Sponsor Sen. Andy Manar
- **2018-05-03** Added as Alternate Chief Co-Sponsor Sen. Laura M. Murphy
- **2018-05-04** Added as Alternate Co-Sponsor Sen. Terry Link
- **2018-05-07** Added as Alternate Co-Sponsor Sen. Chuck Weaver
- **2018-05-08** Added as Alternate Co-Sponsor Sen. Pat McGuire
- **2018-05-08** Added as Alternate Co-Sponsor Sen. Mattie Hunter
- **2018-05-09** Do Pass Public Health; 008-000-000 `committee-passage`
- **2018-05-09** Placed on Calendar Order of 2nd Reading May 10, 2018
- **2018-05-09** Added as Alternate Co-Sponsor Sen. Toi W. Hutchinson
- **2018-05-09** Added as Alternate Co-Sponsor Sen. Wm. Sam McCann
- **2018-05-09** Added as Alternate Co-Sponsor Sen. Melinda Bush
- **2018-05-09** Added as Alternate Co-Sponsor Sen. Thomas Cullerton
- **2018-05-09** Added as Alternate Co-Sponsor Sen. Kwame Raoul
- **2018-05-09** Added as Alternate Co-Sponsor Sen. Omar Aquino
- **2018-05-09** Added as Alternate Co-Sponsor Sen. Michael E. Hastings
- **2018-05-09** Added as Alternate Chief Co-Sponsor Sen. Melinda Bush
- **2018-05-10** Added as Alternate Co-Sponsor Sen. Scott M. Bennett
- **2018-05-10** Added as Alternate Co-Sponsor Sen. Patricia Van Pelt
- **2018-05-10** Added as Alternate Co-Sponsor Sen. Bill Cunningham
- **2018-05-10** Added as Alternate Co-Sponsor Sen. Jil Tracy
- **2018-05-10** Second Reading `reading-2`
- **2018-05-10** Placed on Calendar Order of 3rd Reading May 15, 2018
- **2018-05-10** Added as Alternate Co-Sponsor Sen. Cristina Castro
- **2018-05-10** Added as Alternate Co-Sponsor Sen. Jacqueline Y. Collins
- **2018-05-10** Added as Alternate Co-Sponsor Sen. Sue Rezin
- **2018-05-11** Added as Alternate Co-Sponsor Sen. Heather A. Steans
- **2018-05-11** Added as Alternate Co-Sponsor Sen. Linda Holmes
- **2018-05-11** Added as Alternate Co-Sponsor Sen. John F. Curran
- **2018-05-11** Added as Alternate Co-Sponsor Sen. Pamela J. Althoff
- **2018-05-11** Added as Alternate Co-Sponsor Sen. Steven M. Landek
- **2018-05-11** Added as Alternate Co-Sponsor Sen. Daniel Biss
- **2018-05-14** Added as Alternate Co-Sponsor Sen. John J. Cullerton
- **2018-05-14** Added as Alternate Co-Sponsor Sen. David Koehler
- **2018-05-14** Added as Alternate Co-Sponsor Sen. Iris Y. Martinez
- **2018-05-14** Added as Alternate Co-Sponsor Sen. Michael Connelly
- **2018-05-15** Added as Alternate Co-Sponsor Sen. Julie A. Morrison
- **2018-05-15** Added as Alternate Co-Sponsor Sen. Antonio Muñoz
- **2018-05-15** Added as Alternate Co-Sponsor Sen. Jim Oberweis
- **2018-05-15** Added as Alternate Co-Sponsor Sen. William R. Haine
- **2018-05-16** Added as Alternate Co-Sponsor Sen. Ira I. Silverstein
- **2018-05-16** Added as Alternate Co-Sponsor Sen. Don Harmon
- **2018-05-16** Added as Alternate Co-Sponsor Sen. Chapin Rose
- **2018-05-16** Third Reading - Passed; 056-000-000 `reading-3, passage`
- **2018-05-16** Passed Both Houses
- **2018-05-17** Added as Alternate Co-Sponsor Sen. Kimberly A. Lightford
- **2018-06-14** Sent to the Governor `executive-receipt`
- **2018-08-13** Governor Amendatory Veto `executive-veto`
- **2018-11-13** Placed on Calendar Amendatory Veto
- **2018-11-13** Motion Filed Override Amendatory Veto Rep. Daniel Swanson
- **2018-11-14** 3/5 Vote Required
- **2018-11-14** Override Amendatory Veto - House Passed 110-000-000
- **2018-11-14** Placed on Calendar Amendatory Veto November 15, 2018
- **2018-11-14** Motion Filed Override Amendatory Veto Sen. Chris Nybo
- **2018-11-15** 3/5 Vote Required
- **2018-11-15** Override Amendatory Veto - Senate Passed 048-000-000
- **2018-11-15** Amendatory Veto Overridden Both Houses
- **2018-11-30** Effective Date January 1, 2019
- **2018-11-30** Public Act . . . . . . . . . 100-1137 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/1e95cad3-2375-4dc7-b0c3-5829f50e8299`. Confidence: reported (aggregated from official Illinois legislature records).