Dr. Vieira is currently completing his Post-Doctoral Residency at Oasis Psychological Services. He earned his doctorate and master’s degrees in Clinical Psychology from the Arizona School of Professional Psychology at Argosy University, Phoenix. Dr. Vieira’s therapeutic experience comes from working in a variety of settings including juvenile corrections, community mental health centers, private practices, and his most recently completed clinical psychology internship at the University of Colorado, Boulder’s Counseling and Psychiatric Services. This range of experience has allowed Dr. Vieira to work with and learn from individuals with diverse backgrounds and presenting concerns. Dr. Vieira specializes in gender and sexuality issues, including LGBTQ affirmative therapy, Trans specific care (assessment, exploration, and referral letters for Hormone Therapy and Gender Affirming Surgeries following WPATH standards of care), individual, group, and family therapy, and adolescent / young adult issues. Dr. Vieira’s approach in therapy emphasizes client directed outcomes, affirmation, authenticity, openness, collaboration, and respect.

At Oasis Psychological Services, Dr. Vieira directs the Gender and Sexuality (LGBTQ*) Program, offering individual, group, and family therapy for LGBTQ* identified individuals ages 13+. Dr. Vieira also offers therapeutic support for families and support networks of LGBTQ* identified individuals. Additionally, Dr. Vieira conducts evaluations for medical transition referrals (Hormones and Surgery) to the Trans community.