Dr. Maui Garza

Doctor of Psychology – PsyD

Dr. Garza was born and raised in Prosser, WA. Dr. Son of migrant farmworkers whose life goal was to instill love, faith, and the pursuit of education.
His focus in therapy is to help you take control of your life and adjust to your current and future life situations. Dr. Garza has worked in the orchards, working as the foreman of a cherry orchard while in high school and other agricultural worker positions. Dr. Garza has been a vocational rehabilitation counselor for the past 28 years and a licensed mental health provider for the past 20 years.

Toni Diane Microulis


Toni Diane has been a Psychiatric Nurse Practitioner for the past 18 years of her 45-year nursing career.
“Many individuals have mental health struggles, and though we cannot do the inner work for them, it does not mean they have to feel or do it alone.” Toni Diane loves spending time with her children and grandchildren, especially if it involves boating and swimming.

Kristine McMurray


Kristine is a Psychiatric Nurse Practitioner and obtained her post masters certificate in 2019 and FamilyNurse Practitioner in 2010 from Washington State University. She began working in healthcare 25 yearsago. Her focus is on assisting patients improve their quality of life. Kristine enjoys spending timecamping and hiking in the Pacific northwest.

Dennis Braudrick


I have been in the Mental/Behavioral Health field for over 25 years. I have worked as a Licensed Mental Health Counselor in a variety of different settings with diverse groups of people, including Spanish speaking only. I have focused on helping people work through their problems related to depression, anxiety, and stress by utilizing a broad range of cognitive, behavioral, and faith-based approaches. Icurrently work with people who have been impacted by an industrial injury, helping them recover from behavioral health concerns.

Brenda Mejia Perez

TMS Technician

My passion in life has always been to help others in their time of need. My background as aCNA has given me the opportunity to do just that. I am always looking for the opportunity tobetter my skills whether it be with direct patient care, a role as a Direct Care Supervisor andnow as a TMS Technician. I am excited to be a part of something that will help others in theirday to day life and improve their outlook on life.

Arasele Urueta


Arasele grew up in Mesa, a small agriculturally based community 25 miles north of Pasco. Arasele has extensive knowledge and experience with customer service. She also has previous receptionist experience in the medical field, particularly with private practices. Arasele prides herself in being fluent in English and Spanish. Arasele is excited to contribute her acquired skills to Sunstone Psychological Services PLLC. During her free time, she enjoys traveling and spending time with her friends and family.

Tiffany Maplethorpe

Administrative Assistant

I grew up in Othello with 5 sisters and 2 brothers. Moved to Tri Cities after high school. I started workingat an answering service and decided I love helping people, so I’ve been in Customer Service and MedicalAdministration for about 20 years now. My goal is to make sure patients know there is someone willingto listen and help them when they ask for it. In my free time I like cooking, baking, fishing, spendingtime with my family and playing with my Australian Shepherd.


A huge part of our work family, Jasper helps ensure that no one that enters our offices leaves without smiling.

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