Our Team
Dr. Peterson is a board-certified physician specializing in Physical Medicine and Rehabilitation (PM&R) and interventional pain medicine with extensive training in diagnosing and treating complex pain and musculoskeletal conditions. He is dedicated to helping patients reduce pain and regain function through thoughtful, evidence-based care. In his free time, he enjoys running and exploring the beautiful California coast.
Founder and Medical Director
Nicholas Peterson, MD
Mariah Johnston, MPH
Mariah oversees daily operations at Nervio, keeping the practice running smoothly while fostering a compassionate, patient-centered experience. She focuses on improving access, strengthening communication, and supporting high-quality care. Outside of work, she enjoys playing music with local groups and spending time outdoors.
Practice Operations Manager
Ian Johnston, BS
Ian plays a key role in supporting patient care at Nervio, assisting Dr. Peterson with clinical tasks, care coordination, and daily operations to ensure patients feel supported throughout every visit. Outside of the clinic, Ian enjoys running, sailing, surfing, and spending time with his wheaten terrier, Murphy.
Medical Assistant