Borrayo

—Plaintiff Lidia C. Borrayo sued defendant Dr. G. James Avery, alleging he had engaged in medical malpractice during the course of treating her for a condition known as thoracic outlet syndrome. Defendant moved for summary judgment, which the trial court granted after sustaining his objection to her sole expert witness’s declaration. On appeal, plaintiff argues that this expert witness, a physician licensed to practice medicine in Mexico, was qualified to provide an opinion about the standard of care to which defendant was held. We agree and reverse.

FACTUAL BACKGROUND AND PROCEDURAL HISTORY

A. Background

For many years, plaintiff worked for eight to 10 hours a day in silk-screen production. The work involved repetitive motions such as pushing her right arm back and forth and lifting fabric up and down, producing 200 canvasses per day, each using three colors.

On May 19 and 20, 2008, Dr. Abraham Castrejon Pineda, a physician licensed in Mexico, performed orthopedic examinations of plaintiff.

On March 5, 2009, plaintiff sought treatment from defendant. At that time, she presented with long-standing complaints of intense pain in her right shoulder and scapula, numbness…