 IRVINE, Calif.--BUSINESS WIRE--Sheldon Razin, who collectively with Lance Rosenzweig and the other participants in his solicitation collectively, the Razin Group owns approximately 15.2 of the outstanding common shares of NextGen Healthcare, Inc. NASDAQ: NXGN NextGen Healthcare or the Company, today issued a 70-page presentation that details the case for resetting the balance of power on NextGen Healthcares nine-member Board of Directors the Board. The Razin Group urges shar 