Crystal O’Brien is an experienced Advanced Practice Registered Nurse specializing in holistic and preventative care, hormone replacement therapy, and weight loss. With over 20 years of combined nursing and nurse practitioner experience, Crystal has worked in both inpatient and outpatient settings across gastroenterology and regenerative medicine. She brings strong leadership, telehealth expertise, and a commitment to personalized care to the team at ATCA. Crystal is certified in Botox and filler injections, holds active DEA and BLS certifications, and is passionate about helping patients achieve optimal wellness through integrative approaches.