Quantum Health has purchased CirrusMD, according to a March 3 press release. Quantum Health is backed by Great Hills Partners, a Boston, Massachusetts-based private equity firm.
The combined company will include more than 2,300 team members and serve more than 20 million members across private and public sector organizations throughout the United States.
CirrusMD is a premier on-demand virtual care company with a text-based platform that connects more than 13 million members with physicians in under 60 seconds.
Quantum Health operates as a consumer navigation and care coordination company that serves the healthcare needs of self-funded public- and private-sector employers in the United States.
MTS Health Partners served as exclusive financial advisor and Cooley LLP served as legal counsel to CirrusMD, while Kirkland & Ellis LLP served as legal counsel to Quantum Health. Financial terms of the deal were not disclosed.
According to data captured in the LevinPro HC database, this transaction marks the 46th eHealth deal announced this year, and the fifth in the patient engagement specialty. Other acquirers in the patient engagement space this year include Harbor Health (acquired Rippl), ReviveHealth (bought Doseform), Net Health (purchased Keet Health) and OneAdvanced (acquired Patchs Health). There were 301 eHealth deals and 44 patient engagement transactions reported throughout 2025.
