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Clinical Psychologist in Wellington
With over 36 years of dedicated clinical experience, I provide specialized psychological services rooted in a humanistic and existential philosophy. My practice focuses on trauma treatment, ADHD/ASD assessments, and holistic psychotherapy, emphasizing collaboration and client empowerment. Trained in advanced modalities like EMDR and Parent-Child Interaction Therapy, I prioritize flexible scheduling and accessibility outside session times. My approach integrates cognitive therapy techniques and a whole-person perspective, addressing physical, emotional, and spiritual well-being.

As a registered clinical psychologist in New Zealand and California, I maintain active memberships in professional organizations while offering personalized care tailored to adolescents, adults, and families. My commitment to confidentiality and client autonomy is reflected in my out-of-network insurance policy, ensuring privacy for those seeking mental health support.
Services
Trauma Treatment ADHD/ASD Assessment Psychological Testing Cognitive Therapy Parent-Child Interaction Therapy Gender-Affirming Assessments EMDR Therapy School-Based Mental Health LGBTQ+ Counseling
Highlights and features
  • We offer 36+ years of clinical psychology experience
  • Our team provides specialized trauma treatment modalities
  • We maintain strict confidentiality with out-of-network billing
  • Our approach integrates whole-person psychological care
  • We offer flexible scheduling for client convenience
Associations and certifications
  • Registered Clinical Psychologist (New Zealand)
  • California Psychological Association
  • New Zealand Psychological Society
Services
Trauma Treatment
Specialized trauma treatment addresses PTSD and complex trauma through evidence-based modalities like EMDR. Our approach combines cognitive therapy techniques with holistic care to process traumatic experiences. Clients receive personalized treatment plans focusing on symptom reduction and emotional healing.
ADHD/ASD Assessment
Comprehensive assessments for adolescents and adults identify ADHD and autism spectrum disorders. The process includes clinical interviews, standardized testing, and developmental history analysis. Results provide diagnostic clarity and guide personalized intervention strategies for improved daily functioning.
Parent-Child Interaction Therapy
PCIT programs address behavioral issues in children through caregiver coaching. This 10-12 session intervention improves parent-child relationships while managing conditions like oppositional defiant disorder. Sessions focus on real-time skill development and positive behavior reinforcement.
Psychological Testing
Diagnostic evaluations measure cognitive abilities, emotional functioning, and personality traits. Testing durations range from 1.5 to 4 hours, producing detailed reports that inform treatment planning. Results help identify learning disabilities, mood disorders, and developmental conditions.
Gender-Affirming Psychological Assessment
Specialized assessments support transgender and non-binary individuals seeking medical transition. The process follows WPATH standards while addressing mental health needs. Comprehensive reports document readiness for gender-affirming treatments while providing therapeutic support.
People
Tania Davidson
Clinical Psychologist
Dr. Tania Davidson is a registered clinical psychologist with 36 years of experience in trauma treatment and psychological assessment. Specializing in adolescent mental health and neurodiversity, she integrates humanistic philosophy with evidence-based practices. Her expertise includes EMDR therapy, PCIT, and gender-affirming care.
Questions
What mental health services do you specialize in?
We specialize in trauma treatment (including PTSD), ADHD/ASD assessments, gender-affirming psychological evaluations, and evidence-based therapies for adolescents and adults.
How does insurance billing work?
We provide superbills for out-of-network insurance reimbursement. While not contracted with providers, we offer flexible fee structures and documentation for HSA/FSA accounts.
What appointment options are available?
Sessions are available Fridays 10:00 AM-5:30 PM. We offer 60-90 minute in-person sessions, telephone consultations, and secure video teleconferencing options for client convenience.
How do cancellation policies work?
We require 24-hour notice for cancellations to avoid charges. This policy ensures fair access to appointment slots while maintaining practice sustainability.
What makes your practice unique?
Our humanistic approach combines 36+ years of clinical expertise with modalities like EMDR and PCIT. We prioritize client autonomy through out-of-network billing and personalized treatment planning.
Do you offer family therapy sessions?
Yes, we provide Parent-Child Interaction Therapy (PCIT) for behavioral issues in children. This structured program includes caregiver coaching and real-time skill development sessions.