2025 Forty Under 40: Dr. J. David Mossler

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(IBJ photo/Chad Williams)

Vice President of Physician Practice Management and Chief Medical Officer
Hancock Health

Dr. David Mossler is responsible for the quality of care provided by Hancock Health as well as the finances of its clinics. His goal: Be able to provide high-quality care and keep people in the community they prefer. “Providing care to someone is truly a privilege,” he said. “I have always wanted to be able to participate in health care leadership to guide, as much as I can, how we treat each other.” Under his watch, Hancock Health has been able to introduce new service lines at the hospital, including robotic-assisted surgery, dialysis, a substance-use disorder inpatient clinic, and an anesthesia group. And since his appointment as CMO, Hancock County has continued to rise in its ranking as one of Indiana’s healthiest counties.

Getting here: As a resident, Mossler worked extra hours “moonlighting” at Hancock Regional Hospital. He then started as a hospitalist after completing his residency training. For his wife’s surgical training, they moved to Dallas, where he was an assistant professor of clinical medicine at UT Southwestern. Upon returning to Indiana, he worked as a hospitalist and then lead hospitalist and director of ICU at Witham Memorial Hospital in Lebanon. In 2023, he returned to Hancock to step into the role of chief medical officer, and in 2024, he took on physician network responsibilities.

First job: Mahomed Sales and Warehousing in Indianapolis, working in parts cleaning and subassembly

Givebacks: Mossler participates in hospital-sponsored events, including food drives, associate crisis funds and volunteering to conduct sports physicals for high schools in the county.

Meaningful moment: For the first time since 1951 when Hancock opened, it is providing inpatient dialysis so the community does not need to go to Indianapolis to receive dialysis. In addition, Hancock has started to provide lecanemab-irmb infusions for mild Alzheimer’s disease, which “hopefully is a life-changing treatment.”

Lesson learned: Showing commitment and dedication to a calling gives you a purpose and feeling of pride and fulfillment at the end of the day.•

Check out more Forty Under 40 honorees.

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