Provider Credentialing in Delaware

Delaware is one of the smallest states in the country but has a significant healthcare market driven by its proximity to Philadelphia and the Wilmington metro area. ChristianaCare (formerly Christiana Care Health System) is the dominant health system and operates its own health plan. Beebe Healthcare and Bayhealth serve the southern Delaware market. Many Delaware providers maintain cross-border credentialing with Pennsylvania payers given the Philadelphia metro patient flow.

Highmark Blue Cross Blue Shield Delaware is the dominant commercial carrier. Aetna, Cigna, and UnitedHealthcare also have Delaware commercial enrollment. Independence Blue Cross (Philadelphia-based) is relevant for practices near the Pennsylvania border. Cross-border credentialing with southeastern PA payers is common for northern Delaware practices.

Delaware Medicaid (Diamond State Health Plan) operates managed care through Highmark Health Options Delaware and United Healthcare Community Plan of Delaware. Each MCO requires separate credentialing. Delaware expanded Medicaid under the ACA in 2014. The state's compact size and limited payer landscape make credentialing more manageable than larger states.

Arctic Health helps Delaware providers credential with Highmark Delaware, both Diamond State Health Plan MCOs, and relevant cross-border Pennsylvania payers, managing the full Wilmington and downstate Delaware market.