Provider / Doctor Directories (Listed Alphabetically) Aetna Healthcare Assurant Health: 2 Physician Directories: PHCS-- Private Healthcare Systems Arizona Foundation for Medical Care Blue Cross Blue Shield of Arizona Cigna Healthcare Delta Dental HealthNet of Arizona LifeWise Healthplan of Arizona Pacificare of Arizona then click on the "Find a Doctor" link on the right underneath the "Tools" heading. Secure Care Dental Total Dental Administrators: TDA United Healthcare