Oregon Medicaid Program Overview
Enrollment, funding, and managed care facts for Oregon Medicaid.
Get Oregon's Medicaid Fee Schedule →Enrollment
Oregon Medicaid covered approximately 1.27-1.34M people. Two independent sources give close but not identical total Oregon Medicaid/CHIP enrollment figures from different periods: KFF's state indicator (1,271,996, May 2026) and CMS's 2024 Medicaid Managed Care Enrollment and Program Characteristics report (1,340,084 total Medicaid enrollees, ~2024 data). A third source, healthinsurance.org (1,303,752, October 2025), falls between the two.
Funding & federal match
Oregon has adopted ACA Medicaid expansion, effective 2014-01-01.
For FFY2026 (Oct 1, 2025 - Sep 30, 2026), Oregon's Federal Medical Assistance Percentage (FMAP) is 57.75%.
Delivery system & managed care
A large share of Oregon Medicaid is delivered through managed care organizations (MCOs) rather than fee-for-service — estimates range from 86-97.96% of Medicaid enrollees.
Waivers
Oregon operates Medicaid managed care under the Oregon Health Plan (OHP) Section 1115 Demonstration, a Section 1115 demonstration waiver. Oregon's comprehensive Medicaid demonstration, first established in 1994 and periodically renewed. Current authorization approved by CMS September 28, 2022, effective October 1, 2022 through September 30, 2027. Covers coordinated care delivery through CCOs, continuous eligibility, coverage expansion, and health-related social needs (HRSN) services aimed at health equity.
Has Oregon expanded Medicaid under the ACA?
Yes. Oregon has adopted ACA Medicaid expansion. Effective 2014-01-01.
How many people are enrolled in Oregon Medicaid?
Approximately 1.27-1.34M people.
What percentage of the federal Medicaid match does Oregon receive?
57.75% for FFY2026 (Oct 1, 2025 - Sep 30, 2026) — meaning the federal government pays roughly 58 cents of every Oregon Medicaid dollar, and the state pays the rest.
Is most of Oregon Medicaid delivered through managed care?
Estimates range from 86-97.96% of Medicaid enrollees in managed care.
What Medicaid waivers does Oregon operate under?
Oregon Health Plan (OHP) Section 1115 Demonstration, a Section 1115 demonstration waiver. Oregon's comprehensive Medicaid demonstration, first established in 1994 and periodically renewed. Current authorization approved by CMS September 28, 2022, effective October 1, 2022 through September 30, 2027. Covers coordinated care delivery through CCOs, continuous eligibility, coverage expansion, and health-related social needs (HRSN) services aimed at health equity.
Get Oregon's Free Medicaid Fee Schedule
Request actual Oregon Medicaid reimbursement rates by billing code — free, delivered as a CSV.
Sources
- KFF State Health Facts - Total Monthly Medicaid & CHIP Enrollment
- CMS - Medicaid Managed Care Enrollment and Program Characteristics, 2024
- Federal Register / GPO - Federal Financial Participation in State Assistance Expenditures, FFY2026 FMAP Notice (2024-27910)
- KFF State Health Facts - Federal Matching Rate (FMAP) for Medicaid
- KFF - Status of State Medicaid Expansion Decisions
- healthinsurance.org - Medicaid eligibility and enrollment in Oregon
- MACPAC - MACStats Medicaid and CHIP Data Book, Exhibit 29 (Percentage of Medicaid Enrollees in Managed Care by State, July 1, 2022)
- Oregon Health Authority - Oregon Health Plan 1115 Demonstration Waiver
- Medicaid.gov - Oregon Health Plan Section 1115 Quarterly Report, Oct-Dec 2023
Data last verified 2026-09-17. Also see our free Medicaid Fee Schedule tool.