Get to Know Our Group
With different backgrounds and skills, we come together to be one well-rounded and inclusive family. We are all on one team with the mission to serve our community and our patients each and every day. With a goal to provide exceptional service, everyone on our team has advanced training and the certifications necessary to deliver expert dental and orthodontic care for your family. Learn more about our extended family below! We can’t wait for you to become a member, as well.
OUR DOCTORS
Dr. Derek L. Leung
BOARD CERTIFIED PEDIATRIC DENTIST - DIPLOMATE
Dr. Derek is a graduate of the prestigious Boston University School of Dental Medicine. He continued his education with a two year intensive residency in pediatric dentistry at Tufts University School...
Read MoreDr. Derek L. Leung
BOARD CERTIFIED PEDIATRIC DENTIST - DIPLOMATE
Dr. Derek is a graduate of the prestigious Boston University School of Dental Medicine. He continued his education with a two year intensive residency in pediatric dentistry at Tufts University School of Dental Medicine and was on staff at major hospitals in Boston, MA. Passionate about pediatric dentistry, Dr. Derek frequently digests research articles and continuing education courses to provide the best care for his patients. In addition to private practice, he dedicates his time as a faculty member at Tufts by providing expertises and guidance to future dentists. He has been awarded Top Dentist by Boston Magazine for excellence in pediatric dentistry in 2018, 2019, 2020, 2021.
Along with his multiple accolades, Dr. Derek has been extensively recognized for his services and contributions to civic duty by receiving the Humanitarian Award from the International College of Dentists and receiving honors in civic commitment and community service.
Dr. Derek is an avid runner and is hoping to challenge his tenth marathon in 2021. He is excited to be part of the San Marcos team. He also loves pizza and donuts.
Dr. Maria Jose Cervantes
PEDIATRIC DENTIST
Dr. Maria Jose Cervantes or “DR C” earned her dental degree at the Intercontinental University at Mexico City (UIC). After working as a general practitioner, she completed her pediatric dental residency...
Read MoreDr. Maria Jose Cervantes
PEDIATRIC DENTIST
Dr. Maria Jose Cervantes or “DR C” earned her dental degree at the Intercontinental University at Mexico City (UIC). After working as a general practitioner, she completed her pediatric dental residency at UT Health San Antonio and earned a master’s degree in orthodontics at UIC.
Currently, she serves as the Postdoctoral Program Director in Pediatric Dentistry. As a full-time faculty, she provides didactic and clinical teaching for both pre-doctoral and post-doctoral students. Her research interests include human growth and development, cleft lip and palate, restorative materials, and caries prevention.
She is a member of:
- American Board of Pediatric Dentistry
- American Academy of Pediatric Dentistry
- American Dental Association
- Texas Academy of Pediatric Dentistry
- San Antonio Academy of Pediatric Dentistry
- American Association of Orthodontist
Dr. C Loves to spend time with her family, experiencing new cultures, and enjoying her favorite food Italian and Japanese.
Dr. Kieran Mullarney
Orthodontist
Dr. Mullarney earned his dental degree from Temple University Kornberg School of Dentistry in Philadelphia, PA. He continued on to his residency in Orthodontics and Dentofacial Orthopedics at Tufts University...
Read MoreDr. Kieran Mullarney
Orthodontist
Dr. Mullarney earned his dental degree from Temple University Kornberg School of Dentistry in Philadelphia, PA. He continued on to his residency in Orthodontics and Dentofacial Orthopedics at Tufts University School of Dental Medicine in Boston, MA. After his extensive training, he attained the distinguished Board Certification from the American Board of Orthodontics.
Dr. Mullarney grew up in New Jersey and currently resides in Austin, TX. He enjoys outdoor activities like hiking, biking, and climbing. His passion for travel has led him to explore new places around the world, immersing himself in local cultures and foods. When not traveling, he loves spending time with friends, family, and his awesome cat Jupiter.