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.
A point-of-service plan (POS) is a type of managed care plan that is a hybrid of HMO and PPO plans.Like an HMO, participants designate an in-network physician to be their primary care provider. But like a PPO, patients may go outside of the provider network for health care services. point-of-service plan (POS) is a type of managed care plan that is a hybrid of HMO and PPO plans.