She was one of the scientists in the Compound, but was sent to the settlement by Roslyn Chambers to take care of the people there due to its lack of medical skills. Lead scientist Tach Blythe requested that she be reassigned at the Compound, believing she was vital to their research.
Doctor Patricia acts as a regular doctor, healing the player's health and removing rads/addictions.
During the quest Human Error, she can be heard interrogating and torturing a male test subject in several holotapes located throughout the Compound. She will become hostile if the player character decides to free Amelia Stockton.