PACs. Donations in the 2016 cycle were slightly down (6.6%) from the 2014 cycle. The PAC spent an additional $29,900 with the Mammen Group, a DC-based direct mail agency and $28,800 with Prevail Strategies, a political consulting and public affairs company. References External links Medical associations based in the United States Dermatology organizations Organizations established in 1938 1938 establishments in the United States Medical and health organizations based in Washington, D.C.