Crystal O’Brien, NP

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Short Biography

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.

Education & Experience

Education
Master of Science in Nursing – Nurse Practitioner Maryville University of Saint Louis, St. Louis, MO
Board certification
APRN (valid through January 2026), DEA Certification (valid through September 2028), BLS Certification (valid through January 2026), CPR Certification, RN License, Certified Nurse Practitioner, AAFE Certification in Botox and Filler Injections.
Field of expertise
Holistic care, preventative care, hormone replacement therapy, weight loss, peptide therapy, gastroenterology, regenerative medicine, telehealth, Botox and filler injections, patient care, team leadership.
Years of practice

Working Shifts

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