Availity as a company is driven to create a richer and more transparent exchange of information among health plans, providers, and technology partners. The company is the largest health information network, which facilitates over 4 billion clinical, administrative, and financial transactions annually. Moreover, Availity offers round the clock assistance to address consumer grievances and in order to communicate relevant concerns and queries with Availity customer service representatives, kindly refer to given contact information. Availity Customer Service Phone Number: 1-800-282-4548 Availity Customer Service Hours: 8:00 am and 8:00 pm Eastern, Monday through Friday. Availity Web Portal and EDI Clearinghouse Customers: 800-282-4548 Availity Patient Access Customers: 800-973-3957 Availity Revenue Cycle Management Customers: 877-927-8000