CMS approved a five-year extension of Delaware’s Diamond State Health Plan Medicaid demonstration, including initiatives for coverage, access and behavioral health through 2028.
Delaware Medicaid demonstration extension
According to the Centers for Medicare & Medicaid Services and Delaware DHSS approval letter, CMS approved a five-year extension of Delaware’s Diamond State Health Plan Section 1115 Medicaid demonstration. The approval letter describes the extension as continuing Delaware’s Medicaid demonstration through 2028. The source identifies the Diamond State Health Plan as a Section 1115 demonstration, a Medicaid program structure that can include state-specific initiatives approved by CMS.
The CMS and Delaware DHSS letter states that the extension includes new initiatives aimed at improving health coverage, access, and quality of services for Medicaid beneficiaries. The source includes behavioral health among the service areas covered by those stated goals. The extract does not identify particular behavioral health treatments, providers, eligibility rules, or benefit details.
Behavioral health included in stated goals
The approval letter specifically includes behavioral health in its description of services that the new initiatives are intended to address. According to CMS and Delaware DHSS, the extension’s initiatives are aimed at improving coverage, access, and service quality for Medicaid beneficiaries, including in behavioral health.
The source does not state whether any individual treatment is newly covered, expanded, or changed under the extension. It also does not state how the initiatives will be implemented, which beneficiaries may be affected, or when individual program changes may take effect. The approval confirms the five-year extension and describes the broad objectives included in it.
What the approval does and does not say
CMS’s approval, as described in the Delaware DHSS document, applies to the Diamond State Health Plan Section 1115 Medicaid demonstration. The approved extension runs through 2028, according to the source. Its stated focus includes health coverage, access, quality of services, and behavioral health for Medicaid beneficiaries.
The extract does not provide details on appointment availability, provider participation, referrals, prior authorization, transportation, cost-sharing, or coverage for specific forms of care. It also does not describe outcomes from the extension. Delaware residents seeking information about Medicaid benefits may need to check current program materials or contact their plan for details that are not included in the approval-letter extract.
What this means for Delaware patients
The CMS and Delaware DHSS letter signals that behavioral health is included among the goals of Delaware’s extended Medicaid demonstration through 2028. For people looking for treatment locally, this directory lists 22 published clinics in Delaware; availability and coverage details are not provided in the source extract.
This is general information, not medical advice.
More Delaware reporting on access & coverage.
This report is educational and is not medical advice. Coverage, availability and eligibility can change; verify details with the named source or your care team.

