Karen Houston. Her primary practice is as a Social Worker, also practicing as a Registered Nurse, a Registered Nurse: Addiction (Substance Use Disorder), a Registered Nurse: Case Management, a Registered Nurse: Home Health, a Registered Nurse: Psych/Mental Health, Child & Adolescent, a Registered Nurse: Psych/Mental Health, a Residential Treatment Facility, Mental Retardation and/or Developmental Disabilities, a Residential Treatment Facility, Emotionally Disturbed Children, a Respite Care: Respite Care, Mental Illness, Child, and a Respite Care: Respite Care, Mental Retardation and/or Developmental Disabilities, Child.