Diplomat Pharmacy, Inc. engages in the provision of specialty pharmacy and infusion services. It operates through the Specialty and Pharmacy Benefit Management segments. The Specialty segment offers a range of solutions to address the dispensing, delivery, dosing, and reimbursement of clinically intensive, high-cost specialty drugs, and a wide range of applications. The Pharmacy Benefit Management segment provides services designed to help the customers reduce the cost and manage the complexity of their prescription drug programs. The company was founded by Dale Hagerman and Philip Hagerman in 1975 and is headquartered in Flint, MI.