Charlotte Ivancic, Speaker John Boehner’s (R-Ohio) top health policy aide, is leaving his office to join the lobbying firm Tarplin, Downs & Young, the firm announced Wednesday. Ivancic led the negotiations for Boehner on the repeal of Medicare’s Sustainable Growth Rate this year. The elimination of the annual Washington headache of automatic cuts to doctors under Medicare, after negotiations with Minority Leader Nancy Pelosi (D-Calif.), was a significant achievement. […] Tarplin, Downs & Young was founded in 2006 by former Republican healthcare staffers in the Bush administration and on Capitol Hill. It also has former Democratic staffers. …