CVS Health Corporation, together with its subsidiaries, provides integrated pharmacy health care services. It operates through Pharmacy Services and Retail/LTC segments. The Pharmacy Services segment offers pharmacy benefit management solutions, such as plan design and administration, formulary management, Medicare Part D services, mail order, specialty pharmacy and infusion services, retail pharmacy network management services, prescription management systems, clinical services, disease management programs, and medical pharmacy management services. This segment serves employers, insurance companies, unions, government employee groups, health plans, Medicare Part D plans, managed Medicaid plans, plans offered on public and private exchanges, other sponsors of health benefit plans, and individuals under the CVS Caremark Pharmacy Services, Caremark, CVS Specialty, AccordantCare, SilverScript, Wellpartner, NovoLogix, Coram, Navarro Health Services, and ACS Pharmacy names. As of December 31, 2017, it had 23 retail specialty pharmacy stores, 18 specialty mail order pharmacies and 4 mail order dispensing pharmacies, and 83 branches for infusion and enteral services. The Retail/LTC segment sells prescription drugs, over-the-counter drugs, beauty products and cosmetics, personal care products, convenience foods, seasonal merchandise, and greeting cards, as well as offers photo finishing services. It has 9,803 retail stores in 49 states, the District of Columbia, Puerto Rico, and Brazil primarily under the CVS Pharmacy, CVS, CVS Pharmacy y más, Longs Drugs, Navarro Discount Pharmacy, and Drogaria Onofre names; online retail pharmacy Websites; and 37 onsite pharmacy stores, long-term care pharmacy operations, and retail health care clinics. The company was formerly known as CVS Caremark Corporation and changed its name to CVS Health Corporation in September 2014. CVS Health Corporation was founded in 1892 and is headquartered in Woonsocket, Rhode Island.