Change Healthcare (formerly Emdeon) wants to make MDs' lives a little easier by making the servicing of medical accounts more simple and efficient. The Blackstoneportfolio company's offerings are designed to simplify and streamline health care billing for insurance companies, health care systems, and doctors. Change Healthcare offers discounted office supplies online, automated billing and document mailing services, and insurance card printing, and has products specifically for dental and pharmaceutical offices. It processes more than 6 billion health care-related transactions each year. Change Healthcare is merging with McKesson's Technology Solutions segment to create a new health care services firm.