Booming Demand for Nurses and Physician Assistants;  Huge Need for Primary-Care Physicians An estimated 30 million people will gain insurance as a result of the Affordable Care Act, asserts Aubrey Westgate at Physicians Practice.   At the same time, the Association of American Medical Colleges anticipates a shortfall of 45,000 primary-care physicians and 46,000 specialists in the coming decade.   More:   “We’ve seen [demand for nurse practitioners (NPs) and physician assistants (PAs)] steadily climbing throughout the year and we don’t anticipate it changing or flattening off any time soon,” Tricia Pattee, director of product management at HealtheCareers Network, told Physicians Practice. “This is due to…