PRIMARY CARE PLUS – O’NEAL

Michael Guarisco, M.D.

Internal Medicine
 Dr. Michael Guarisco earned a Doctor of Medicine from Louisiana State University Medical Center in New Orleans. He then completed internship and residency in internal medicine, and a fellowship in Emergency Medicine and Internal Medicine at the Mayo Clinic in Rochester, MN. Dr. Guarisco worked as an internist, then Section Head, and finally Chairman for the Division of Primary Care for the Ochsner Clinic Foundation in Baton Rouge. Since 2004, Dr. Guarisco has worked as a practicing physician at Primary Care Plus and has served as Medical Director since 2006. Dr. Guarisco is board certified in internal medicine and serves as a Diplomat for the American Board of Internal Medicine. He is affiliated with Baton Rouge General Medical Center, Our Lady of the Lake Regional Medical Center and Ochsner Medical Center – Baton Rouge.

Saman Jayasinghe, M.D.

Family Medicine
Dr. Saman Jayasinghe earned a Doctor of Medicine from the Royal College of Surgeons in Ireland, then completed a residency at the Tulane University School
of Medicine in New Orleans. Dr. Jayasinghe also has a Master of Public Health in health policy and management from the Rollins School of Public Health at Emory University in Atlanta, Georgia.

Prior to joining Primary Care Plus, Dr. Jayasinghe served as a physician with AbsoluteCare, Southeast Community Health Systems and Ochsner Health. He is board certified in public health and general preventive medicine, and he is a member of the Louisiana State Medical Society, the American College of Preventive Medicine, and the American College of Occupational and Environmental Medicine.