The Washington State Legislature formed the Industrial Insurance Medical Advisory Committee (IIMAC) in 2007 to “…advise the department on matters related to the provision of safe, effective, and cost-effective treatments for injured workers.”

The IIMAC’s charge is to:

  • Develop practice guidelines and coverage criteria.
  • Review and advise the department on coverage decisions and technology assessments.
  • Review medical programs.
  • Review rules pertaining to health care issues.


Procedures for Observing and Providing Input

Industrial Insurance Medical Advisory Committee (IIMAC) meetings are open public meetings with notices published in the Washington State Register and repeated below. Members of the public may attend full IIMAC meetings without advance notice.

Oral Comments:

To give oral comments at a full IIMAC meeting:

  • Sign in with your name, who you represent, and contact information.

To give a presentation with audiovisual materials or handouts:

  • Provide copies to the Department at least 2 weeks in advance of the meeting. Presentations will be limited to 3 minutes.

IIMAC Hybrid Meetings:

Next Meeting date: Time: Meeting
Virtual Attendance: Physical Address:
July 25, 2024 1:00 p.m. to 5:00 p.m. Agenda​​​​​​
Meeting Materials​​​​​
Zoom Meeting​​​​​​ L&I Tukwila
(Room C20)
12806 Gateway Drive S,
Tukwila, WA 98168​

Please note:

  • Meetings typically take place from 1:00 p.m. to 5:00 p.m., but can change depending on agenda length. 
  • Please review the table above to attend the meeting, review the agenda, and download meeting materials.
  • If you have any questions, please contact Tiffany Meeks at

Upcoming meetings:

  • July 25, 2024
  • October 24, 2024

Previous meeting agendas and minutes:

Public Comment

Public Comment

Draft work products that impact department policy will be posted below before final acceptance by IIMAC. Written comments received at least 2 weeks prior to IIMAC meetings are available to the committee. We invite your input using mail, fax or email as below. Oral comment is welcome at full IIMAC meetings.

When a public comment period is open, send written comments using one of the following:

  • By mail:
    Health Policy Unit, Office of the Medical Director
    Attn: IIMAC Treatment Guidelines
    PO Box 44321
    Olympia, WA 98504-4315
  • By fax: 360-902-6315 (Comments submitted by fax must be 10 pages or less.)
  • By electronic mail:
Best Practices Membership


The Industrial Insurance Medical Advisory Committee has 14 members. The LNI Director, who considers nominations from recognized statewide clinical groups, specialty societies and/or associations, appoints members.

The current IIMAC members are:

  • Andrew Friedman, MD (Chair)
  • Kirk Harmon, MD (Vice-chair)
  • Jiho Bryson, MD
  • Greg Carter, MD
  • Michael Codsi, MD
  • Laurie Gwerder, ARNP
  • Monica Haines, DO
  • Chris Howe, MD
  • JC Leveque, MD
  • Louis Lim, MD
  • Patricia Waring, MD
  • Linda Seaman, MD
  • Stephen Thielke, MD
Contact Information

Contact Information

Industrial Insurance Medical Advisory Committee
Health Policy Unit, Office of the Medical Director
Attn: IIMAC Treatment Guidelines
PO Box 44321
Olympia, WA 98504-4315