Dr. Javonna O’Brien is a board-certified Family Nurse Practitioner specializing in community health at the School-Based Health Clinics in St. Mary’s County, Maryland. With over 20 years of combined nursing experience, she brings extensive clinical knowledge, compassion, and a strong commitment to providing high-quality, patient-centered care.

Before becoming a nurse practitioner in 2017, Dr. O’Brien gained diverse clinical experience as a registered nurse across numerous healthcare specialties, including the operating room, post-anesthesia recovery, endoscopy, preoperative services, medical-surgical nursing, inpatient addiction treatment, long-term acute care, and home health. Throughout her career, Dr. O’Brien has remained dedicated to improving patient outcomes through evidence-based practice, health promotion, disease prevention, and individualized care. Her approach emphasizes empowering patients through education, collaboration, and shared decision-making to enhance their quality of life and achieve their optimal level of health and functioning.

Outside of her professional responsibilities, Dr. O’Brien enjoys spending quality time with her husband and their three sons. An avid animal lover, she shares her home with a beloved collection of pets, including a dog, a rabbit, and four cats—one of whom is a special three-legged feline named Lou-Lou. In her leisure time, Dr. O’Brien enjoys reading a good book, relaxing, and indulging in a well-deserved nap. Her love for family, animals, and life’s simple pleasures reflects her warm, compassionate, and down-to-earth personality.