Woman on phone.

Important Phone Numbers

Important phone numbers and services provided for Provider Services, Medical Affairs, Behavioral Health, and Envolve Vision. More

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 Authorization Guide, Provider Manual, and Quick Reference Guide. More

Frequently Asked Questions

Get the answer to commonly asked questions by providers More