Ensures that your visit and sessions are always seamless and enjoyable.


Patient Services Team

Derriann Green

Head of Patient Services

Derriann attended Montana State University Bozeman where she had an opportunity to work in a Childhood Development Program partnered with ABC Kidz Preschool. During her time at this preschool, she developed valuable skills in dealing with a wide variety of children. She had the chance to move to Austin, TX at the end of 2018 and has enjoyed getting to know the area and developing her passion for working with children and adults. This time has set her up for a bright future working as a Patient Service Coordinator, and she looks forward to providing the best connections possible for each individual that chooses OCVT.


Patient Services Team

Esther Kao

Lead Doctor’s Assistant

Esther graduated from the University of Texas at Austin with a B.S.A. in Chemistry. She is seeking to attend physician assistant school. Esther was drawn to OCVT by their drive to help others. She strives to help provide the best care possible to every patient.


Patient Services Team

Leonardo Olguin De Santiago

Lead Patient Services Coordinator

Leo is currently an undergraduate at The University of Texas at Austin completing his B.S.A degree in neuroscience. He plans to attend medical school after graduating with his undergraduate degree. He looks forward to helping OCVT families in our clinic in any way possible. He makes sure to provide the best possible services and care he can offer.


Patient Services Team

Melody Esquivel

Patient Services Coordinator

Melody graduated with a dual Bachelor’s degree in International Relations and Korean Language and Literature from the University of Texas at Austin in 2017. Melody’s compassion for others, her desire to help and learn from people from all walks of life led her to become a part of the OCVT team and family. In her free time, Melody enjoys traveling, singing and performing, and working on all sorts of creative projects.


Patient Services Team

Aliyah Stanley

Patient Services Coordinator

Aliyah is currently an undergraduate at The University of Texas at San Antonio completing her B.A. in Medical Humanities with a pre-medicinal concentration along with a minor in Business Administration. She plans to attend medical school after graduating with hopes to become an Obstetrician-Gynecologist. She prides herself in being a people-person and providing the best possible care and experience to all OCVT families.


Patient Services Team

Krystal Nguyen

Patient Services Coordinator

Krystal is an undergraduate at the University of Texas with a B.S.A in Human Development and is looking to pursue a certificate in healthcare administration. She genuinely loves and enjoys working with patients from various backgrounds and ages. Her personal goal is to deliver the most supportive and attentive care for each patient’s individual journey.


Patient Services Team

Toni Quinn

Patient Services Coordinator

Toni moved to Austin from Harlingen in the Rio Grande Valley to go to college. she graduated from St. Edward’s University with a degree in Advertising and Public Relations with a passion for communication, community, and human development. Toni loves being a part of the warm, welcoming, and inspiring team at OCVT. When not at the office, you can find her mindfully training dogs locally in the Austin area or sharing something heartfelt, inspiring, and exciting on their personal blog.