By Jon Chesto | The Boston Globe | March 23, 2026
Few people in Massachusetts focused more on health care costs than Lauren Peters when she led the state Center for Health Information and Analysis.
Now in the private sector, she has a new role to continue that mission. Peters is launching an initiative called the Massachusetts Payer-Provider Partnership, in which insurers and hospital operators brainstorm ways to make health care more financially efficient, and try out those ideas to see if they work.
Peters will be the president of the MP3, which will be supported by the Massachusetts Health & Hospital Association. Peters says it will operate independently from the MHA and she’ll report to the MP3 board. Meetings start in late April or early May.
“It really stems out of the growing need to address affordability in Massachusetts,” Peters said. “MP3 is a unique way of bringing together the local payers and providers in this market to address affordability and access challenges.”
Peters first got involved in health care policy as an aide in the House of Representatives. She later went to work for the Health Policy Commission, and then for Charlie Baker’s administration, as health and human services undersecretary. She was appointed to lead CHIA, a state agency that collects and crunches industry data, in late 2022, and left CHIA earlier this year.
MP3 members include Boston Medical Center and its WellSense plan, Mass General Brigham and MGB’s eponymous health plan, UMass Memorial Health and its Medicare Advantage plan, along with Baystate Health, Health New England, and Fallon Health (slated to be acquired by MGB).
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