Woman on phone.

Important Phone Numbers

Important phone numbers and services provided for Provider Communications, Medical Affairs, and Block Vision.


Four doctors.

National Provider Identifier

The Health Insurance Portability and Accountability Act of 1996 required all covered entities (e.g., Providers, clearinghouses and large health plans) begin using National Provider Identifiers (NPIs) on standard health care transactions by May 23, 2007. More

Health Insurance Form.

Forms & Reference Guides

View and download latest forms including the Contract Provider Profile Form, Provider Manual, Quick Reference Guide, and Representative Territories. More

Frequently Asked Questions

Get the answer to commonly asked questions by providers More