Amanda Maynard Murphy, 36, was arrested in Tennessee.
Kaiser announced the five-day strike for 30,000 union employees in several states, including California, ended on Sunday.
The unions are asking for higher pay and more staff to alleviate burnout and improve patient care.
Kaiser health care workers could walk off the job on Tuesday. Employees want wage increases, better staffing and improved retirement benefits.
More than 600 Kaiser Permanente nurses at two locations are expected to strike on Monday. Many have been negotiating a contract for nearly a year and a half, with the main issues being salaries, understaffing and burnout.
Dust storms, a homicide investigation, and even a baby's birth - those are some of the headlines from Burning Man 2025. A Bay Area nurse sprung into action after campers discovered a woman was going into labor. "She did not look pregnant, not one bit!"