Oasis Psychological Services
Lighthouse on rocky coast at twilight

About Oasis Psychological Services


Oasis Psychological Services, PLLC is a professional psychological practice located in Mesa, Arizona. We are dedicated to providing high-quality psychological services to individuals, families, and legal referrals.


Our Mission

Our mission is to provide comprehensive, compassionate, and evidence-based psychological services to the communities we serve. We strive to create a welcoming and supportive environment where clients feel safe to explore their concerns and work toward meaningful change.

Our Approach

We take an individualized approach to each client, tailoring our services to meet their unique needs and goals. Our team of licensed psychologists and clinicians utilizes the latest research and evidence-based practices to ensure the highest quality of care.

Our Specialties

  • Clinical Psychology
  • Forensic Psychology
  • Educational Psychology
  • Neuropsychology
  • Individual, Group, and Family Therapy

Our Team of Clinicians

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Jessica Leclerc, Psy.D.

Dr. Leclerc is the owner and Executive Clinical Director of Oasis Psychological Services. She earned her doctorate in Clinical Psychology from Argosy University, Phoenix and has worked in the field for 18 years.

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Sandra Knight, Psy.D.

Dr. Knight has worked in the field of psychology for 15 years. She earned her Psy.D. in Clinical Psychology from Argosy University, Phoenix after interning at Holcomb Behavioral Health Systems in Pennsylvania.

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Avilio A. Vieira, Psy.D.

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.

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Sarah Stookey, Ph.D.

Dr. Stookey received her Ph.D. in clinical psychology from Temple University. She has been working in the field of psychology for 29 years and obtained her first licensure 19 years ago.

To find our contact information and location you can visit our contact page or please call us to schedule an appointment at 480.282.4237.

To learn more about our services or to schedule an appointment, please contact us at 480.282.4237.

Contact Us

Oasis Psychological Services, PLLC

Our Offices

1220 South Alma School Road, Suite 103
Mesa, AZ 85210

Hours

  • Monday – Thursday9 – 7
  • Friday9 – 3
  • SaturdayBy appointment
  • SundayClosed

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