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Holly Blocker Arentz

Chief of Audiology Au.D., CCC/A, FAAA

  • Texas Licensed to Practice Audiology
  • Certificate of Clinical Competency in Audiology
  • Fellow of the American Academy of Audiology
  • Member of the American Speech-Language-Hearing Association
  • Doctorate of Audiology, Salus University
  • Master of Science & Bachelor of Science, University of Arizona

Dr. Blocker Arentz is a proud alumnus of Salus University, where she obtained her doctoral degree, and the University of Arizona, where she earned both her Bachelor and Master of Science degrees in Speech and Hearing Sciences. During her studies, she assisted in research projects involving the importance of communication in the Alzheimer patient and was actively involved in the organization and implementation of communication seminars and hearing aid clinics for local assisted living and retirement centers. Dr. Blocker Arentz has been practicing Audiology for over 10 years. She completed her clinical fellowship at Otolaryngology Associates of Arlington and Physicians’ Hearing Aid Center, which are now a part of Central Park Ear, Nose and Throat. As the Chief of Audiology, Dr. Blocker Arentz has a mission of providing exemplary care for those affected by hearing loss. She enjoys working with patients of all ages and their families, and takes pride in providing them with tools for better communication, hearing preservation and improvement in quality of life through the use of technology. “It is my personal goal to help people with hearing loss find the avenues to not only hear better, but to enjoy a quality in life.” In her free time, Dr. Blocker Arentz enjoys art museums, traveling, watching independent films and spending time with her husband and their fur-baby, a miniature dachshund named Linus.

Justin Langran

Doctor of Audiology Au.D., CCC/A, FAAA

  • Texas Licensed to Practice Audiology
  • Certificate of Clinical Competency in Audiology
  • Fellow of the American Academy of Audiology
  • Member of the American Speech-Language-Hearing Association
  • Doctorate of Audiology, University of Texas at Dallas
  • Bachelor of Science, University of North Texas

Prior to completing his Doctor of Audiology (Au.D.) degree at the University of Texas at Dallas-Callier Center for Communication Disorders, Dr. Justin Langran completed a clinical fellowship at UT Southwestern Medical Center, serving patients at Parkland, Children’s Medical Center, and St. Paul. This fellowship allowed him to perform and learn advanced hearing and balance diagnostic evaluations. Dr. Langran has worked in a wide variety of clinical and private practice settings and has assisted in several cochlear implant research studies.Dr. Langran is passionate about helping patients of all ages with their hearing. He is proud to work with only the finest hearing aid manufacturers and enjoys the challenge of staying at the forefront of constantly evolving hearing technology. He finds it very rewarding to help patients maximize their quality of life through better hearing healthcare.Outside of work, you will find him at the park with his wife and two wonderful children. He is very fond of food from around the world (especially Korean) and foreign films.

Gretchen Allen

Doctor of Audiology Au.D, FAAA, Audiologist

Growing up in East Dallas, Dr. Gretchen Allen is a Texan through and through. She attended Stephen F. Austin State University, where she obtained her Bachelor of Science and Master of Science degrees in Speech and Hearing Sciences, in 1991 and 1994, respectively. During her studies she earned a distinction of Magna cum laude. Following graduation, Dr. Allen worked as a clinical audiologist in medical settings in Odessa, Rockwall, Plano and Dallas. As the field of Audiology transitioned to a doctoring profession, Dr. Gretchen Allen elected to go back to school, graduating with her Doctorate of Audiology degree from Salus University in 2011. Dr. Allen feels strongly that being an audiologist is so much more than just a career, it is her calling. She feels that it is truly an honor to find the most precise hearing solution for her patients and tailor it to meet each individual’s needs. Her deep sense of caring, positivity, and easy personality, make patients feel at ease throughout the hearing instrument analysis and proper fitting process. In addition to being an audiologist, she enjoys spending time with her family, running 5Ks with the Dallas Running Club, singing in choir, and photography.

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Congratulations to Dr. Dana Gibbs

Based on Dr. Gibbs patient ratings and reviews, she received the 2016 Vitals Compassionate Doctor Award.
The Vitals Compassionate Award recognizes Dr. Gibbs as a doctor who always goes above and beyond to treat your patients with the utmost kindness.