Home » About Us » Our Team » Physician Assistants Physician Assistants Physician assistants, also known as PAs, practice medicine with physicians, surgeons, and other healthcare workers. They examine, diagnose, and treat patients. Mammoth Hospital Physician Assistants Chelsea Brown, PA-C Physician Assistant Read more.. Britt Cogan, PA-C Physician Assistant Certified in Orthopedic Surgery Read more.. Karly Dawson, PA-C, MPH Physician Assistant Certified in Orthopedic Surgery Read more.. Christine Macdonald, PA-C Physician Assistant Certified in Orthopedic Surgery Read more.. Northern Inyo Hospital Physician Assistants Bartlett White, PA-C, MPH Physician Assistant Read more..