Delaware Medicaid Program Overview
Enrollment, funding, and managed care facts for Delaware Medicaid.
Get Delaware's Medicaid Fee Schedule →Enrollment
Delaware Medicaid covered approximately 0.24-0.26M people. Two independent sources give close but different-period figures for total Delaware Medicaid/CHIP enrollment: KFF's state indicator (235,322, May 2026) and CMS's 2024 Medicaid Managed Care Enrollment and Program Characteristics report (259,168 total Medicaid enrollees, July 1, 2024). Consistent with a post-pandemic 'unwinding' enrollment decline between mid-2024 and mid-2026 (healthinsurance.org separately reports 242,745 as of October 2025, a data point consistent with a continuing decline toward KFF's May 2026 figure), not a data error. Reported as a range rather than a single false-precision number.
Funding & federal match
Delaware has adopted ACA Medicaid expansion, effective 2014-01-01.
For FFY2026 (Oct 1, 2025 - Sep 30, 2026), Delaware's Federal Medical Assistance Percentage (FMAP) is 59.41%.
Delivery system & managed care
A large share of Delaware Medicaid is delivered through managed care organizations (MCOs) rather than fee-for-service — estimates range from 84.7-86.4% of Medicaid enrollees.
Waivers
Delaware operates Medicaid managed care under the Diamond State Health Plan (DSHP) Section 1115 Demonstration, a Section 1115 demonstration waiver. Delaware's core Medicaid managed care authority (originally approved 1995, implemented January 1, 1996), enabling delivery of Medicaid benefits primarily through managed care organizations. On May 17, 2024, CMS approved a five-year extension through December 31, 2028 (Project No. 111-W-00036/4), which also added a Postpartum Nutrition Supports Initiative pilot for postpartum beneficiaries.
Has Delaware expanded Medicaid under the ACA?
Yes. Delaware has adopted ACA Medicaid expansion. Effective 2014-01-01.
How many people are enrolled in Delaware Medicaid?
Approximately 0.24-0.26M people.
What percentage of the federal Medicaid match does Delaware receive?
59.41% for FFY2026 (Oct 1, 2025 - Sep 30, 2026) — meaning the federal government pays roughly 59 cents of every Delaware Medicaid dollar, and the state pays the rest.
Is most of Delaware Medicaid delivered through managed care?
Estimates range from 84.7-86.4% of Medicaid enrollees in managed care.
What Medicaid waivers does Delaware operate under?
Diamond State Health Plan (DSHP) Section 1115 Demonstration, a Section 1115 demonstration waiver. Delaware's core Medicaid managed care authority (originally approved 1995, implemented January 1, 1996), enabling delivery of Medicaid benefits primarily through managed care organizations. On May 17, 2024, CMS approved a five-year extension through December 31, 2028 (Project No. 111-W-00036/4), which also added a Postpartum Nutrition Supports Initiative pilot for postpartum beneficiaries.
Get Delaware's Free Medicaid Fee Schedule
Request actual Delaware 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
- MACPAC - MACStats Medicaid and CHIP Data Book, Exhibit 6 (FMAPs and E-FMAPs by State, FYs 2023-2026)
- Congressional Research Service - Medicaid's Federal Medical Assistance Percentage (FMAP), R43847, Table A-1
- KFF - Status of State Action on the Medicaid Expansion Decision
- healthinsurance.org - Medicaid eligibility and enrollment in Delaware
- MACPAC - MACStats Medicaid and CHIP Data Book, Exhibit 29 (Percentage of Medicaid Enrollees in Managed Care by State, July 1, 2022)
- Delaware DHSS - Diamond State Health Plan
- CMS GovDelivery Bulletin - CMS Approves a Five-Year Extension of the Delaware Diamond State Health Plan Section 1115 Demonstration
Data last verified 2026-09-17. Also see our free Medicaid Fee Schedule tool.