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.
Point-of-service plan (POS). The POS plan is like a combination of the HMO and PPO plans. You are required to designate an in-network physician to be your primary health care provider.et Insurance.com help you find affordable health insurance now. Health maintenance organizations (HMOs), preferred provider organizations (PPOs), and point-of-service plans (POS) are all types of managed health care.