Ronald L. Nath, M.D., F.A.C.S.

General and Vascular Surgery
Endovascular Surgery
Breast Surgery

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Weight Loss Surgery

and Dr. Sandor's services have moved to:


to Dr. Begos

who was selected again as one of of Boston’s top doctors by Boston Magazine in 2015

top doctors

CSA Vein Center

receives accreditation by the IAC:

IAC SealCSA is the first vein practice in Northeast Massachusetts to be fully accredited as a Certified Vein Center by the IAC (Intersocietal Accreditation Commission).
 For details, click here...

Hospital Affiliations
and Appointments

Lawrence Memorial Hospital
Attending Surgeon,
President of Medical Staff
Chief, Division of Vascular Surgery

Winchester Hospital
Attending Surgeon

Melrose-Wakefield Hospital
Attending Surgeon

Administrative Pursuits

Dr. Nath 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.

Medical Society Affiliations

American College of Surgeons
American Medical Association
Massachusetts Medical Society
Middlesex District Medical Society
North American Chapter International Society of Clinical Vascular Surgery
New England Society for Vascular Surgery
Eastern Vascular Society
Society for Clinical Vascular Surgery
American Society of Breast Surgeons
American Association of Vascular Surgery
Society of Vascuar Surgery
International Society of Vascular Surgery
Society of Laparoendoscopic Surgeons
Massachusetts Chapter of the American College of Surgeons


Ronald L. Nath,M.D., F.A.C.S., 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.

Board Certifications

He was certified by the American Board of Surgery in 1981, re-certified in 1991 and 1999 and 2010.

Clinical Interests

Dr. Nath's 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.