Ronald L. Nath,M.D., F.A.C.S., the President and founder of Commonwealth Surgical Associates, was born in New York City, and educated at the Horace Mann School of New York, Princeton University and Albert Einstein College of Medicine. Following Internship and Residency at Beth Israel Hospital, Boston, he was a Research Fellow in Cardiovascular Surgery at Massachusetts General Hospital and Chief Resident in Surgery at Boston University Medical Center where he did his Fellowship in Vascular Surgery. He Began his Surgical Practice in Medford in 1980.

He was a teaching Fellow in Surgery at Boston University Medical Center and has continued his teaching as Clinical Instructor in Surgery at Tufts University Medical Center and as Assistant Clinical Professor of Surgery at Boston University Medical Center.

He was certified by the American Board of Surgery in 1981 and re-certified in 1991 and 1999. His Practice offers a full range of General, Vascular and Laparoscopic surgical procedures and is focused on a compassionate and caring personal approach to all of his patients. His expanded practice currently offers the VNUS Closure procedure for treatment of varicose veins, a vascular lab providing ultrasound services, and specialty wound care.

In addition to his membership in the American Medical Association and Massachusetts Medical Society, he is an elected member of International Society for Cardiovascular Surgery, New England Society of Vascular Surgery, Eastern Vascular Society and Society for Clinical Vascular Surgery and is a Fellow of the American College of Surgeons.

He is active on many hospital and Greater Boston boards and committees in his effort to provide the best possible medical and surgical care to patients.