Diane Rooney, CPA

Chief Accounting Officer, CareMount Medical

Diane Rooney had planned to be an English teacher before discovering that she was good at bookkeeping during a part-time job in college. The Yonkers native took an advisor’s suggestion that she try an accounting class — and she was off and running. She earned her BBA at Pace University’s Lubin School of Business and became a CPA.

Today, Rooney is chief accounting officer of CareMount Medical, the largest independent multispecialty medical group in New York State. She joined the firm as chief accounting officer in 2016, after serving as its external CPA for many years, and now runs financial operations, financial reporting, tax compliance, and other responsibilities.

Rooney hasn’t wasted any time moving the medical group forward, ushering in a new accounting system, which went live in January 2019, to enhance the group’s financial reporting capabilities. She was also instrumental in forming CareMount Health Solutions, a collaborative physician-owned management services organization, earlier this year. It helps clients — including CareMount Medical — navigate a changing healthcare environment. Rooney has also helped CareMount Medical expand into New York City, with the acquisition of what was once known as Murray Hill Medical Group.

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What drives Rooney today is the same passion for numbers that got her interested in the field in the first place. “As chief accounting officer, I oversee all of the finances,” she says. “It is a fast-paced environment at CareMount Medical — it’s exciting!”


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