A billionaire Los Angeles pharmaceutical executive has donated $100 million to St. John's Health Center in Santa Monica, CA. The gift from Patrick Soon-Shiong, founder and chief executive of Los Angeles-based Abraxis BioScience Inc., and his wife, Michele Chan, a former actress, is one of the largest received by a community hospital in California. About $35 million has already been spent on the expanded and renovated 380-bed hospital, and $10 million more to attract doctors and scientists. That leaves $55 million to create several research centers and fund future projects, said St. John's Chief Executive Lou Lazatin.