Allen Dobson, Ph.D., is cofounder and president of Dobson DaVanzo & Associates, LLC. Over the past several years, Dr. Dobson has studied Medicare's Prospective Payment Systems (PPS) and Physician Payment System and has led efforts to model the impact of physician and hospital payment policies upon stakeholders using micro-simulation and econometric techniques. He also led a series of state Medicaid studies. Dr. Dobson developed estimates for the Institute of Medicine Committee on Medicare Benefit Extensions of the likely cost to Medicare of expanding preventive benefits, including skin cancer screening, medically necessary dental services, selected nutritional interventions, and the provision of immunosuppressive drugs to transplant patients past three years. Prior to co-founding Dobson DaVanzo & Associates, Dr. Dobson was a senior vice president at The Lewin Group. Prior to that, he was director of the Office of Research at the Health Care Financing Administration during the period that Medicare PPS was developed and implemented. Dr. Dobson earned his Ph.D. in economics from Washington University, and is a phi beta kappa graduate of the University of Washington.