Doctors

Samuel D. Gerber, MD, FACS

Dr Samuel Gerber | Orthopaedic Surgeon Chelmsford MADr. Samuel D. Gerber is among the first Orthopaedic surgeons in the nation to be awarded subspecialty certification in Orthopaedic Sports Medicine by the American Board of Orthopaedic Surgery. Dr. Gerber is a graduate of Yale University and Harvard Medical School.

He completed his postgraduate training at the Harvard Combined Orthopaedic Program. Dr. Gerber completed a fellowship in Arthroscopy and Sports Medicine at the Massachusetts General Hospital, as well as a fellowship in microsurgery at the Medical Research Council in Great Britain. He founded Orthopaedic Surgical Associates of Lowell, P.C. and is a past president of the Massachusetts Orthopaedic Association and prior Chief of Orthopaedic Surgery at Lowell General Hospital. Dr. Gerber is an oral examiner for the American Board of Orthopaedic Surgery, a preceptor for Tufts University School of Medicine, an adjunct Professor at the University of Massachusetts Lowell, and serves on the Board of Councilors for the American Academy of Orthopaedic Surgery.

Dr. Gerber specializes in minimally invasive surgery of the knee and shoulder and is an active member of the Arthroscopy Association of North America and the International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine.

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Eric Holstein, MD

Dr Eric Holstein | Orthopaedic Surgeon Chelmsford MADr. Holstein is a graduate of McGill University and Tufts University School of Medicine. He completed his postgraduate training at Tufts University—New England Medical Center Orthopaedic Program. He is the past Chief of Orthopaedic Surgery at Saints Memorial Medical Center and twice past Chief of Orthopaedic Surgery at Lowell General Hospital.

Dr. Holstein is Board-Certified by the American Board of Orthopaedic Surgery and a Fellow of the American Academy of Orthopaedic Surgeons.


Scott Sigman, MD

Dr Scott Sigman Orthopaedic Surgeon | Chelmsford MADr. Sigman is a national and internationally recognized leader in Opioid Sparing Surgery. He is an Orthopedic Surgeon that specializes in the knee and shoulder. He has been in clinical practice for over 25 years and is a leader in professional education, medical device development, and has numerous peer reviewed publications. He is the team physician at UMASS Lowell. He is a member of Governor Bakers Commission to establish a pain management access program in the Commonwealth of Massachusetts.

He did his sports medicine fellowship at the prestigious Kerlan Jobe Clinic in Los Angeles. His Opioid Sparing leadership propelled him to become a Fellow of the Worlds Society on Sports and Exercise Medicine, and most recently has had the honor of becoming a Fellow of the Royal College of Surgeons in Ireland.

In addition, to his clinical responsibilities Dr. Sigman is the Chief Medical Officer for OrthoLazer Orthopedic Laser Centers. The OrthoLazer franchise was developed to provide an alternative treatment option for acute and chronic pain to help combat the Opioid crisis. Dr. Sigman is also the host of the popular The Ortho Show podcast.