Aetna

www.aetna.com

Blue Cross Blue Shield

www.bcbs.com

First Health

www.firsthealth.com

Focus

www.focusppo.com

Indiana Health Network

www.ihnppo.com

National Choice Care

www.nationalchoicecare.com

OHARA

www.oharallc.com

ppoNEXT

www.pponext.com

Prime Health Services

www.primehealthservices.com

Rockport

www.rockporthealthcare.com

Scripnet

www.scripnet.com

Three Rivers (TRPN)

www.trpnppo.com