Benjamin J. Diederich
Ben Diederich is a principal and consulting actuary specializing in healthcare consulting in the Seattle office of Milliman. He joined the firm in 2006.
Experience
Ben's actuarial experience includes health policy analysis, Medicaid rate setting and actuarial certification, and a variety of activities for public sector employees including value based purchasing through accountable care organizations, budget modeling, procurement, and both portfolio-wide and self-insured plan management functions. With his main focus on public sector clients, Ben also has experience with health plans in the development of commercial rate filings for individual, small, and large groups, Medicare Advantage bid development, and statements of actuarial opinion. His current client activities include:
- Development and support of Value Based Purchasing Accountable Care Models
- Unit Cost and Risk Standardized Health Plan comparisons
- MARA Risk Adjustment customization for Medicaid
- Actuarial rate certification for Medicaid and commercial products
- Population analytics of utilization and cost
- Procurement evaluation support for both insured and vendor administrative programs
- Pricing and rate development
- Budget modeling
- Preparation of regulatory rate filings
- Provider Unit Cost Evaluations in relation to Medicare
- Actuarial input for accountable care program design
- How Employers can address plan selection bias with risk adjustment, 18 October 2019.
- Operation of a health exchange within the PPACA, 17 September 2010.
- Managing Employee Health Care Costs - PEBB and OEBB, 3 December 2019.
Professional Designations
- Member, American Academy of Actuaries, 1999
- Fellow, Society of Actuaries (FSA), 2006
Education
- Bachelor of Science, Mathematics (summa cum laude), Oregon State University, Corvallis, Oregon
Publications