WSR 23-08-043
[Filed March 30, 2023, 11:14 a.m.]
Subject: Washington state medicaid transformation project (MTP) waiverNotice of MTP waiver amendment request and public comment period.
Purpose: If approved, the MTP amendment would provide health care coverage to youth and children, who are some of Washington's most vulnerable people.
The health care authority (HCA) invites you to provide public comment on the draft amendment application for MTP. MTP is Washington state's Section 1115 demonstration waiver from the Centers for Medicare and Medicaid Services (CMS). The public comment period begins Thursday, April 20 and ends Monday, May 22.
HCA and the department of social and health services (DSHS) are requesting an amendment to the current MTP waiver, which would authorize:
Medicaid coverage for former foster care youth (also known as alumni coverage in Washington) from other states who turn (or turned) 18 prior to January 1, 2023.
Continuous enrollment for apple health (medicaid) coverage for children under the children's health insurance program (CHIP) during the first six years of their lives.
Learn more at
Public comment period: As part of the amendment request, HCA will hold a public comment period from April 20 to May 22, 2023. During this time, people can share their feedback on the amendment request or MTP.
Public comment is open to anyone who would like to share feedback. HCA encourages health care and social service providers, accountable communities of health, tribal nations, Indian health care providers, managed care organizations, hospitals and health systems, medical associations, community-based organizations, and the public to provide feedback.
The deadline to provide public comment is Monday, May 22, 2023, at 5:00 p.m. PST. Share comments by emailing More information, including the draft amendment request, executive summary, upcoming public hearings, and additional ways to provide public comment, is available at (Please note all comments are subject to public review and disclosure, as are the names of those who comment.)
For additional information, contact Chase Napier, MTP Director, Policy Division, MTP, Washington State Health Care Authority, P.O. Box 45502, Olympia, WA 98504-5502, email