Peter Heinen

FSA, MAAA

Senior Consulting Actuary

Chicago, IL, US

Tel +1 312 726 0677 | Mobile +1 414 477 1236

Peter Heinen is a senior consulting actuary with the Chicago office of Milliman. He joined the firm in 2015.

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Experience

Peter is an experienced health actuarial consultant at Milliman, with over eight years of specialized expertise in managed care pricing, financial reporting, strategic analysis, and regulatory compliance. His comprehensive skillset encompasses various facets of the healthcare industry, including Medicare Advantage, Medicare Prescription Drug (PDP), employer plans, and general prescription drug market analytics. In the Medicare market, Peter has played a pivotal role in assisting Medicare Part D plans with bid preparation and conducting strategic analyses. He is recognized for his in-depth understanding of the Medicare market and has conducted firmwide research on PDP market dynamics and Part D risk score analysis. Within the pharmacy space, Peter has collaborated with pharmaceutical companies, industry organizations, and government entities. His recent work involves advising clients on payment strategy and regulatory issues, as well as evaluating strategic partnerships and drug acquisitions. For employers, Peter has provided strategic support in rate setting and reserving for employee health plans, with a particular emphasis on self-insured plans.

Publications and Presentations

2023 SOA Health Meeting: How to Decide – Actuaries Analyzing Member Selection in MA. June 2023.
2023 RISE Part D Masterclass: Maximizing Savings Through Formulary Management. August 2023.
2023 RISE Part D Masterclass: Innovations in Rebate Strategy. August 2023.

Professional Designations

Fellow, Society of Actuaries
Member, American Academy of Actuaries

Education

BA, Actuarial Science, The Ohio State University, 2014

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Publications

Read their latest work

Article

6 things for healthcare stakeholders to know about GLP-1s and compounding

16 July 2025 - by Mark F. Gruenhaupt, RPh, Peter Heinen

We review key points for healthcare stakeholders to consider as compounding pharmacies produce GLP-1 medications.

Video

2025 Medicare Bid Cycle: Life Sciences Insights

31 July 2024 - by Matthew Hayes, Peter Heinen, Ryan Swenson, Maggie Alston

Milliman’s actuarial experts discuss Part D lessons from the latest bid cycle and the impact on life sciences organizations.

Article

Payer strategies for GLP-1 medications for weight loss

25 August 2023 - by AJ Ally, Deana Bell, Melody Craff, Jeff Garbe, Mark F. Gruenhaupt, RPh, Peter Heinen, Ellyn Russo

We examine various strategies related to GLP-1 medications such as Wegovy when used for weight loss to help payers understand the landscape, develop a coverage strategy, and minimize waste.

Peter Heinen

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Experience

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Read their latest work

6 things for healthcare stakeholders to know about GLP-1s and compounding

2025 Medicare Bid Cycle: Life Sciences Insights

Payer strategies for GLP-1 medications for weight loss

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Peter Heinen

Experience

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