Maine Medicaid Program Overview
Enrollment, funding, and managed care facts for Maine Medicaid.
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Maine Medicaid covered approximately 0.33-0.42M people. CMS's 2024 Medicaid Managed Care Enrollment and Program Characteristics report counted 415,298 total Maine Medicaid enrollees as of July 1, 2024; KFF's Total Monthly Medicaid & CHIP Enrollment indicator shows 329,286 as of May 2026. healthinsurance.org separately cites 339,689 as of October 2025, an intermediate figure consistent with a real decline across this window (post-unwinding), not a data error.
Funding & federal match
Maine has adopted ACA Medicaid expansion, effective 2019-01-10.
For FFY2026 (Oct 1, 2025 - Sep 30, 2026), Maine's Federal Medical Assistance Percentage (FMAP) is 61.29%.
Delivery system & managed care
A large share of Maine Medicaid is delivered through managed care organizations (MCOs) rather than fee-for-service — estimates range from 0-88.2% of Medicaid enrollees.
Waivers
Maine operates Medicaid managed care under the Maine Section 1115 Demonstration for Individuals with HIV/AIDS, a Section 1115 demonstration waiver. Provides a defined package of MaineCare services (including antiretroviral therapies and care management) to individuals with HIV/AIDS with income up to 250% FPL who are not otherwise MaineCare-eligible. Operational since July 1, 2002; most recently renewed with a 10-year approval (April 2019) and evaluation-design approval effective through December 31, 2028.
Has Maine expanded Medicaid under the ACA?
Yes. Maine has adopted ACA Medicaid expansion. Effective 2019-01-10.
How many people are enrolled in Maine Medicaid?
Approximately 0.33-0.42M people.
What percentage of the federal Medicaid match does Maine receive?
61.29% for FFY2026 (Oct 1, 2025 - Sep 30, 2026) — meaning the federal government pays roughly 61 cents of every Maine Medicaid dollar, and the state pays the rest.
Is most of Maine Medicaid delivered through managed care?
Estimates range from 0-88.2% of Medicaid enrollees in managed care.
What Medicaid waivers does Maine operate under?
Maine Section 1115 Demonstration for Individuals with HIV/AIDS, a Section 1115 demonstration waiver. Provides a defined package of MaineCare services (including antiretroviral therapies and care management) to individuals with HIV/AIDS with income up to 250% FPL who are not otherwise MaineCare-eligible. Operational since July 1, 2002; most recently renewed with a 10-year approval (April 2019) and evaluation-design approval effective through December 31, 2028.
Get Maine's Free Medicaid Fee Schedule
Request actual Maine Medicaid reimbursement rates by billing code — free, delivered as a CSV.
Sources
- CMS - Medicaid Managed Care Enrollment and Program Characteristics, 2024
- KFF State Health Facts - Total Monthly Medicaid & CHIP Enrollment
- KFF State Health Facts - Federal Matching Rate (FMAP) and Multiplier
- Congressional Research Service - Medicaid's Federal Medical Assistance Percentage (FMAP), R43847 (Table A-1)
- KFF State Health Facts - Status of State Action on the Medicaid Expansion Decision
- healthinsurance.org - Medicaid eligibility and enrollment in Maine
- KFF State Health Facts - Medicaid Managed Care Penetration Rates by Eligibility Group
- Maine DHHS - Policy Waivers
- Medicaid.gov - Section 1115 Demonstrations, Maine HIV/AIDS Demonstration
Data last verified 2026-09-17. Also see our free Medicaid Fee Schedule tool.