For more information about simple and complex expressions, where you can use expressions, and the types of references that you can include in an expression, see topics under Expressions (Report Builder and SSRS) .
PA is Physician's Assistant, C means he is certified, and the MS means he holds a master's degree. I would think this person is well qualified to give most medical advice. He would work directly under a physician and report to him. JuliusHere Â· 9 years ago.
Quick Answer. MD PA stands for Medical Doctor, Professional Association. The Professional Association designation is a legal term used to describe a separate legal entity, much like an incorporated business. Keep Learning.