Provider search You can find dental providers in your area who currently participate in GEHA's CONNECTION Dental® Network by: Completing an online provider search. Calling (800) 296-0776. Downloading a PDF listing of providers in your state. Remember: Not all providers are considered participating PPO network providers at all locations in which they practice. It is the member's responsibility to verify with the provider, prior to receiving services, that the provider is a participating PPO network provider at the location services are being rendered. In addition, not all services performed at a participating provider's office are covered services. It is the member's responsibility to verify coverage of services before receiving those services.   © 2012 Government Employees Health Association, Inc. All rights reserved.