Our Team of Clinical Providers
Meet the experts.
Dr. Marshall Sack, DO
Psychiatry & Family Medicine
Dr. Marshall Sack is an experienced psychiatric and family care provider who takes the time to truly listen to and understand each patient’s unique needs. Dr. Sack treats his patients like family, with their wellbeing as his top priority.
Jonathan Fleezanis, AGNP-C
Adult-Gerontology Nurse Practitioner
Jonathan Fleezanis is an experienced Nurse Practitioner working in psychiatric and family care. His top priorities are providing compassionate and thorough care, as well as engaging patients as active participants in their healthcare journeys.