Grey Matters Mental Health Clinic

She has experience in working with individuals with anxiety disorders, major depression, bipolar, ADHD, eating disorders, and substance use disorders. JACKI GERVAIS PMHNP-CARN, DNP Psychiatric Nurse Practitioner Jacki Gervais PMHNP, CARN-AP, APRN, is a Certified Addiction and Psychiatric and Mental Health Nurse Practitioner with over 20 years of experience working with individuals who have various psychiatric and substance abuse disorders.