Nurse Practitioners (NPs) and Physician Assistants (PAs) have steadily evolved into central figures in healthcare delivery.

Founded in 1993, The Motley Fool is a financial services company dedicated to making the world smarter, happier, and richer.

Complete United Parcel Service Inc. Cl B stock information by Barron's. View real-time UPS stock price and news, along with industry-best analysis.