Family Medicine
Mark J. Jagust, MD, DABFP, has more than three decades of experience in family medicine.
Dr. Jagust earned his Medical Degree at St. George University and completed his Family Medicine Residency at Southside Hospital. He serves as an Attending Physician at John T. Mather Memorial Hospital and University Hospital at Stony Brook, where he also serves as an Assistant Professor.
Before joining NY Health, Dr. Jagust has been in private practice. He is bilingual and is fluent in English and French.