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Erin Trompeter

Senior Manager

Expertise: Policy and Regulation, Industry Trends, Payer Coverage and Restrictions

Erin Trompeter is the senior manager of the Payer Data team at MMIT. A journalist and editor by training, Erin leads a team of experts and specialists in researching health insurance and pharmacy market offerings and covered lives, and maintaining MMIT’s industry-standard payer backbone. She earned a bachelor’s degree in English from William & Mary.

Insights by Erin Trompeter

Article | August 29, 2024

Tremendous Growth in 2024 Health Insurance Exchange Membership

Medicaid enrollment peaked at 94.5 million in April 2023, when states resumed eligibility redeterminations after a multi-year pause. In the year that followed, Medicaid enrollment declined 10.4%, and has continued to plummet in recent quarters, with this channel losing nearly 4.9 million beneficiaries from Q3 to Q4 2023.

Article | October 26, 2023

Why Updated Health Plan Enrollment Data Is Crucial in the Wake of Medicaid Changes

Due to the end of the public health emergency for COVID-19 and subsequent redeterminations for Medicaid, health plan enrollment data has become increasingly volatile.

Article | July 6, 2023

Helping Payers and Providers Grow Amid Volatility: Leveraging Data to Improve the Care Experience

Preliminary data indicates that 2023 may prove to be the most volatile year for health plan enrollment in a decade. The convergence of major market disruptions—namely the Inflation Reduction Act (IRA) and the end of the Public Health Emergency—is sparking tremendous shifts in the individual and public exchange market.
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