People

Dr. William A. Berrigan, MD, RMSK, is an Assistant Professor of Orthopaedic Surgery and is a member of the Division of Sports Medicine and Shoulder Service.

Dr. Berrigan is a primary care sports medicine doctor who focuses on helping patients of all ages stay active, reduce injury risk and achieve peak performance.

Dr. Celina de Borja is a board-certified pediatrician with fellowship training and certification in sports medicine, who cares for children, adolescents, and young adults with a wide variety of musculoskeletal conditions. In addition to general pediatric orthopedics, her areas of interest include sports and dance medicine, injury prevention and bone health.

Dr. Hatamiya is a board-certified Primary Care Sports Medicine physician who focuses on caring for patients of all ages and strives to provide comprehensive care to help them achieve their goals and embrace healthy lifestyles. He has particular interests in musculoskeletal ultrasound, preventative medicine and exercise-as-medicine care.

In research, Dr. Hatamiya's interests include applications of wearable technologies, point-of-care ultrasound, and medical education. He has also performed research in biomechanics, exercise physiology, and sports performance.

My clinic is busy and allows access to patients of any age, different activity levels, and various orthopedic and medical conditions. My experience enables me to manage patient issues conservatively while directing operative cases to our surgeons, improving the efficiency of the sports medicine service and surgical yield for surgeons. I have experience performing exertional compartment testing for 20 years for diagnostic purposes.

Dr. Faustine D. Ramirez is a primary care sports medicine doctor who cares for patients with a wide range of musculoskeletal conditions. She strives to help all her patients stay active so they can continue to experience the benefits of physical activity and sports participation. She has special interests in musculoskeletal ultrasound (an imaging technique), bone health, overuse injuries, and care for female athletes.