Reports

View the below reports about our Medicaid Transformation Project (MTP)-related work. These reports are produced by or for the Health Care Authority (HCA). 

If looking for a report from an earlier year, please email our MTP team.

General

Rapid-cycle monitoring reports

CMS documents

Summative Evaluation Report

  • Medicaid Transformation Project Summative Evaluation Final Report (June 2024): This report evaluates the state’s progress from January 2017 through December 2022, spanning MTP 1.0 demonstration years one through six. It was prepared for HCA by The Center for Health Systems Effectiveness at Oregon Health & Science University (OHSU). In this report, OHSU outlines the goals of Washington’s 1115 Medicaid wavier and describes evaluation activities, including evaluation hypotheses, data, and methods. This report was submitted to CMS as a final deliverable.
  • Medicaid Transformation Project Summative Evaluation Report approval letter (November 3, 2025): CMS approved Washington state’s MTP Summative Evaluation Final Report. CMS's review found through the application of a rigorous evaluation methodology, MTP demonstrated measurable progress in advancing integrated care, expanding access to housing and employment supports, and strengthening the state’s capacity for substance use disorder and behavioral health treatment.

Quarterly progress reports

Demonstration year 9

Demonstration year 8

MTP 2.0 began July 1, 2023, which started demonstration year (DY) 8. Note: the below reports will not align with regular calendar quarters. 

Demonstration year 7

Demonstration year 6

Initiative 1: transformation through ACHs and IHCPs

Legislative reports

ACH transformation progress

Quarterly incentive reports

2024

2023

2022

Initiative 2: long-term services and supports (LTSS)

Read our quarterly progress reports (see CMS documents) to learn about what's going on with LTSS.

Initiative 3: Foundational Community Supports (FCS)

Preliminary evaluation report findings

Supported employment and supportive housing reports

Initiative 4: substance use disorder (SUD) IMD

Institutions for mental diseases (IMDs) are hospitals, nursing facilities, or other institutions of more than 16 beds that are primarily engaged in providing diagnosis, treatment, or care of persons with mental diseases, which includes SUD.

  • Read our quarterly progress reports (see CMS documents) to learn about what's going on with SUD IMD.
Initiative 5: mental health IMD

Institutions for mental diseases (IMDs) are hospitals, nursing facilities, or other institutions of more than 16 beds that are primarily engaged in providing diagnosis, treatment, or care of persons with mental diseases, which includes SUD.

  • Read our quarterly progress reports (see CMS documents) to learn about what's going on with mental health IMD.