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


Patient Services Team

Hillary Youngman

MBA, Director of Operations

Hillary is a graduate from the University of Texas with degrees in English and Linguistics. Her previous experience in the customer service field and her love of children led her to this career path. She enjoys working with patients and their families every day to help them realize their full potential. Hillary’s ultimate goal is to give every patient the best possible experience at OCVT.


Patient Services Team

Yanell Ramos

Head of Patient Services, Pecan Park

Yanell graduated from Texas A&M University with degrees in Biomedical Science and Psychology. Her interests in science, public health, and healthcare policy has motivated her to pursue a career in healthcare administration at OCVT. Her goal is to obtain a master of business in healthcare administration and use her diverse skillset to assist doctors and therapists in our community to provide the highest level of care. Her genuine passion for connecting with each and every family member makes her a perfect addition to the amazing group of specialists and therapists at OCVT.


Patient Services Team

Esther Kao

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

Derriann Green

Patient Services Coordinator

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

Leonardo Olguin De Santiago

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

Trang Diep

Patient Services Coordinator, Doctor’s Assistant

Trang is currently pursuing her Bachelor’s in Medical Lab Technology at UTMB while working part-time at OCVT. She loves working with kids and enjoys providing the utmost care for all patients. She also enjoys meeting people and listening to their stories and backgrounds. It is in her greatest honor to have the chance to work with OCVT and be part of the team.


Patient Services Team

Gabriela Ibarra

Patient Services Coordinator