Dr. William M. Costigan, MD

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Get to know Orthopedic Surgeon Dr. William M. Costigan, who serves patients in Pasadena, California.

A board-certified and fellowship-trained orthopedic surgeon, Dr. Costigan is a Director of Congress Orthopedic Associates, alongside Dr. Roy Ashford. He emphasizes the non-operative management of many spinal conditions, prior to taking a surgical approach. 

The doctor’s areas of special interest and expertise include: minimally invasive spinal surgery including microscopic and endoscopic techniques, adult degenerative cervical and lumbar disc disease including anterior reconstruction, complex revision lumbar and cervical surgery, adult and adolescent deformity correction including scoliosis, sagittal reconstruction, and kyphosis, spinal neoplasms and spinal column tumor decompression and reconstruction, and comprehensive spinal care in the high level athlete.

Congress Orthopedic Associates is Pasadena’s premier comprehensive spinal care center. The entire staff at the surgery center offers unparalleled patient care and service in a personalized environment. They coordinate the efforts and input of a comprehensive team of spinal professionals, including the spinal surgeon, physical therapist, spinal injections and minimally invasive techniques to offer a complete range of treatment options and modalities. Their ongoing patient follow up care extends beyond surgery and hospital stay for optimum recovery.

Academically, Dr. Costigan received his medical degree summa cum laude from the University of Southern California and went on to complete his residency in orthopedic surgery at the LAC+USC Medical Center, where he served as department Chief Resident, and received the Resident of the Year Award.

Following the completion of his orthopedic training, he completed a year-long fellowship in spinal surgery at the University of Southern California’s Center for Orthopedic Spinal Surgery.

With an unwavering commitment to his specialty, the doctor is board-certified in orthopedic surgery and spine surgery by the American Board of Orthopedic Surgery (ABOS). The ABOS is an organization with the goal of establishing educational and professional standards for orthopedic residents and surgeons as well as evaluating the qualifications and competence of orthopedic surgeons.

Continuously advancing his efforts, he is an active member of the American Academy of Orthopedic Surgeons, and the North American Spine Society.

With a passion for teaching, Dr. Costigan serves as an Assistant Professor of Orthopedic Surgery at the USC School of Medicine and also travels internationally on humanitarian medical missions to India, Africa, and Peru performing spinal surgery on the less-privileged around the world.

Orthopedic surgery is the branch of surgery concerned with conditions involving the musculoskeletal system. Orthopedic surgeons use both surgical and non-surgical means to treat musculoskeletal trauma, spine diseases, sports injuries, degenerative diseases, infections, tumors, and congenital disorders.

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