About Diana Nguyen, PMHNP

Diana Nguyen is a board certified licensed Psychiatric Mental Health Nurse Practitioner who earned her Doctor of Nursing Practice degree from the University of San Diego in 2019. Diana has clinical experience with working with all ages and genders and has a passion for incorporating cultural, diverse, and individualized care to her patients. Her doctoral dissertation and project specialized on her work with Perinatal Mood and Anxiety Disorders. She has an extensive history of work experience from her time as an inpatient psychiatric RN as well as completing a 1 year post graduate NP residency at the Department of Veteran Affairs in Sacramento. She has had training in many therapy modalities, as well as psychopharmacology and considers a whole health, holistic collaborative approach to care when working with patients on their treatment goals.


  • Adolescent Psychiatry
  • Anger Management
  • Anxiety
  • Bereavement/Grief Counseling
  • Bipolar Disorder
  • Child and Adolescent Psychiatry
  • Child Psychiatry Consultation
  • Daytime Sleepiness
  • Depression
  • Development Disorder
  • Eating Disorder
  • Hyperactive Disorder (ADD/ADHD)
  • Medication Review
  • Mental Health Consultation
  • Mental Health Problem
  • Mental Illness
  • Mood Disorders
  • Mood Swings
  • Obsessive Compulsive Disorder (OCD)
  • Oppositional Defiant Disorder (ODD)
  • Panic Attack
  • Personality Disorder
  • Post-Traumatic Stress Disorder (PTSD) Counseling
  • Postpartum Depression
  • Premenstrual Syndrome (PMS)/Premenstrual Dysphoric Disorder (PMDD)
  • Prescription/Refill
  • Psychiatric Medication Review
  • Psychiatry Consultation
  • Psychiatry Follow Up
  • Psychological Trauma
  • Schizophrenia/Psychotic Features
  • Seasonal Affective Disorder (SAD)
  • Sleep Disorder
  • Sleep Problems
  • Social Anxiety
  • Stress
  • Stress Management
  • Worry
  • Education & Certifications

    University of San Diego, Doctor of Nursing Practice


    Temecula, CA

    31573 Rancho Pueblo Rd, Suite 200
    Temecula, CA 92592-4835