Cassandra Castro

  • Mountlake Terrace, Washington
  • Washington In-Person
  • Northgate, Washington
  • Washington In-Person

Accepting New Patients

  • Family Therapy
  • Medication Management
  • GeneSight Testing
  • she/her
  • Speaks English, Spanish
  • Serves Ages 10 to 64

Primary Specialties

  • Anxiety
  • Depression
Also Experienced With
  • ADHD (Attention-Deficit/Hyperactivity Disorder)
  • CBT (Cognitive Behavioral Therapy)
  • Mindfulness
  • Mood Disorders
  • Motivational Interviewing
  • Stress
  • Trauma
  • Trauma-Focused CBT (Cognitive Behavioral Therapy)


Cassandra is a Board Certified Psychiatric Mental Health Nurse Practitioner with a passion for the care of adolescents, Spanish-speaking, and immigrant populations. She is well trained in the treatment of depression, anxiety, mood disorders, ADHD, and personality disorders. Through an emphasis in whole-person care and integrative medicine, Cassandra aims to engage you in your personal path to healing. She firmly believes in individualized care, in listening to the specific needs of each individual, to guide their treatment. Her philosophy is that no size fits all and every person holds the capacity for change and healing.

While her focus is medication management, she also engages in brief psychotherapy interventions throughout patient visits for best patient care. Cassandra earned her MSN at Frontier Nursing University and has been serving the greater Seattle community since 2019. She is passionate about handmade tortillas, paragliding, and cross country skiing.

Insurances Accepted

  • Aetna
  • Cigna
  • First Choice
  • Kaiser Permanente
  • Kaiser Washington Medicare Advantage
  • Medicare
  • PacificSource
  • Premera Blue Cross
  • Regence
  • United Healthcare