California Plastic Surgery expert witnesses draw on experience from Beverly Hills cosmetic practices, Silicon Valley reconstructive centers, and major systems like UCLA Health, UCSF, and Cedars-Sinai. They often specialize in aesthetic surgery, hand surgery, craniofacial reconstruction, burn care, or gender-affirming procedures. Many treat diverse, high-volume trauma and oncology cases. They assess standards of care, procedure selection, outcomes, complications, and informed consent.