Personalized service for alcoholism & chemical dependency by a multidisciplinary team of qualified health care professionals.
An OASAS-licensed treatment facility specializing in chemical dependency treatment.
Linda S. Muller served as President & Chief Executive Officer of Cornerstone Family Healthcare for 31 years, transforming it from a single-site clinic to a multi-county health system before retiring in 2022.
Linda Muller joined Cornerstone Family Healthcare in July 1991, when the organization had just one site in Newburgh serving about 5,000 patients. Over three decades, she expanded Cornerstone to 24–25 locations across Orange, Rockland, Sullivan, Ulster, Dutchess, Westchester, and Broome counties, serving over 52,000–55,000 patients.
Her leadership was marked by strategic growth, community engagement, and a strong focus on patient care. Muller was known for her dedication to the organization’s mission and for mentoring staff, as noted by colleagues who described her as a mentor and a “match made in heaven” for those in community health.
Her tenure included significant expansion, infrastructure development (notably the 147 Lake Street building in Newburgh, which she described as the “foundation for everything we have built so far”), and strengthening the organization’s mission to provide accessible, high‑quality healthcare
Muller is a 1976 graduate of the University at Buffalo with a B.A. in speech pathology (minor in audiology and communication) She later earned an M.S. in Health Policy and Administration from The New School, where she also taught for six years. She lives in Cornwall with her husband Charles Muller.
Colleagues have praised her trailblazing leadership, noting her dedication to community health and her role in building a sustainable, patient‑centered healthcare system.
