Andrew Marshall
Actuarial Analyst
San Diego, CA, US
Andrew Marshall is an actuarial analyst with the San Diego office of Milliman. He joined the firm in 2021 and is currently working toward his Associateship with the Society of Actuaries.
Experience
Since joining Milliman, Andrew has performed work for a variety of clients, including Medicare Advantage plans, trusts, and health maintenance organizations. Andrew’s experience includes:
- Medicare Advantage Part D Bid development
- Medicare Advantage Part D reconciliation estimation
- Medicare Advantage Plans and Benefits Package
- Medicare Advantage medical loss ratio reporting
- PBM contract review
- PBM performance auditing
- Incurred but not reported (IBNR) reserving
- Fair market value analysis
- Medical claims cost re-pricing
- Actuarial value calculation
- Data analysis, interpretation, and extrapolation
Education
- BAS, Mathematics, University of California, San Diego
Publications
Read their latest work
Article
Building a long-range GLP-1 forecast: When could commercial health plans see a plateau?
11 September 2025 - by John Rogers, Liam Kussman, Brian Anderson, Jeremy Sarich, Andrew Marshall
GLP-1 drugs: We provide a framework for building a long-range forecast to help employers understand how trends may change over time.