Dr. Stacia Nichole Guillen

Stacia Guillen, FNP-C, PMHNP-C is a board-certified Family and Psychiatric Mental Health Nurse Practitioner with a strong commitment to advancing mental health care through compassionate, evidence-based treatment. She is passionate about helping individuals feel informed, supported, and empowered throughout their treatment journey while fostering meaningful therapeutic connections.Stacia earned her Bachelor of Science in Pharmacological Chemistry from the University of California, San Diego in 2004 and began her career in the pharmaceutical industry before pursuing nursing. She obtained her Master of Science in Nursing from Western University of Health Sciences in 2011, followed by Family Nurse Practitioner certification in 2013. Her diverse clinical background spans women’s health, college health, and emergency medicine, providing her with a broad and adaptable clinical foundation.Driven by a deep interest in mental health, Stacia completed her Psychiatric Mental Health Nurse …Practitioner certification through the University of Cincinnati in 2025, achieving dual board certification. She is enthusiastic about advances in cutting-edge psychiatric treatments, including TMS and Spravato, and remains dedicated to ongoing growth as a clinician while promoting hope, healing, and improved quality of life for those she serves.