Independence Blue Cross (IBC) provides health insurance and related services to some 2.2 million members in southeastern Pennsylvania and, through its subsidiaries, to more than 3 million people nationwide. The company's plans include Personal Choice (PPO), Keystone Health Plan East (HMO and POS), and traditional indemnity options for groups, families, and individuals. It also offers supplemental Medicare, dental, vision, life, and disability insurance. Through subsidiary AmeriHealth Administrators, IBC provides third-party administration (TPA) services. IBC was founded as the Associated Hospital Service of Philadelphia in 1938 and is an independent licensee of the Blue Cross and Blue Shield Association.