Trisha Parker. Her primary practice is as a Nurse Practitioner: Psych/Mental Health, also practicing as a Clinical Nurse Specialist: Psych/Mental Health, Child & Adolescent, a Clinical Nurse Specialist: Psych/Mental Health, a Clinical Nurse Specialist: Psych/Mental Health, Adult, a Clinical Nurse Specialist: Psych/Mental Health, Child & Family, a Clinical Nurse Specialist: Psych/Mental Health, Chronically Ill, and a Clinical Nurse Specialist: Psych/Mental Health, Geropsychiatric.