The Center for Audiology

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Our Doctors

Sara Nagel, Au. D.

Sara Nagel, Au. D.
Doctor of Audiology, Founder and President

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Dr. Nagel received her B.S. and M.A. degrees from Brooklyn College, City University of New York, and her Au.D. from A.T. Still University-Arizona School of Health Sciences. Dr. Nagel trained clinically at major hospitals in the NYC area, and after moving to Houston in 1998, she practiced as a pediatric audiologist at Texas Children’s Hospital and as an adjunct professor of Audiology at the University of Houston prior to establishing The Center for Audiology in 2008.   When she is not seeing patients, Dr. Nagel enjoys outdoor fitness activities, reading, cooking, volunteering, and spending time with her husband and seven children.  

"So many of life’s pleasures involve hearing: gatherings with family and friends, the sounds of nature, a wonderful lecture or show, a child’s laughter... I am rewarded every time I witness a patient’s positive reaction to better hearing. It is a privilege to be an instrumental part of these life-changing experiences!"  -Dr. Sara Nagel

Professional Associations:  Board Certified by the  Academy of Doctors of Audiology;   Fellow, American Academy of Audiology Member, Member, Texas Academy of Audiology, Member, American Hearing Aid Associates 

Cristina Vallejo, Au.D.

Cristina Vallejo, Au.D.
Audiologist

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Dr. Vallejo earned her Bachelor of Science in Speech Language Pathology from the University of Tulsa in Tulsa, Oklahoma and her Doctorate of Audiology from the University of North Texas in Denton, Texas. She is a member of the American Speech-Language-Hearing Association and a fellow of the American Academy of Audiology. Dr. Vallejo has a passion for helping hearing-impaired patients improve their quality of life with the most innovative hearing solutions available. Dr. Vallejo grew up in Texas but is originally from Puerto Rico and is fluent in Spanish. When she is not working, Dr. Vallejo enjoys outdoor activities including biking and jogging. She also enjoys discovering the hidden treasures Houston has to offer and experimenting with new recipes with her husband.
Rosangela Moura, Au.D.

Rosangela Moura, Au.D.
Audiologist

Dr. Rosangela Moura earned her Bachelor of Arts degree from Texas Tech University, her Master of Science in Audiology degree from the University of Texas at Dallas, and her Doctor of Audiology degree from Salus University in Pennsylvania. She has over 30 years of experience in communication disorders. She is certified by the American Speech-Language-Hearing Association (ASHA) and is a fellow of the American Academy of Audiology (AAA). She is licensed to practice audiology and to fit and dispense hearing aids in Texas. Dr. Moura is fluent in Portuguese and has a working knowledge of Spanish. Dr. Moura’s primary area of interest is adult hearing rehabilitation with amplification. She is dedicated to helping her patients rediscover the sounds of life and be able to communicate with friends and family with greater ease. She is committed to patient care that is comprehensive and individualized, as well as educational. In her leisure time, Dr. Moura enjoys attending the Houston Ballet and the Astros Baseball games. She is thrilled that her favorite sports team finally won the World Series in great style. She is an avid reader, cook, and loves to travel.