
Dr. Shelby McCann, Au.D., CCC-A
Doctor of Audiology
Dr. Shelby McCann, Au.D., CCC-A, is a licensed Doctor of Audiology dedicated to helping patients hear better, communicate more confidently, and improve their overall quality of life. She believes every patient deserves personalized care that is built around their unique hearing needs and goals.
Dr. Shelby provides comprehensive hearing evaluations, advanced diagnostic testing, hearing aid services, and tinnitus care using evidence based best practices and the latest technology. She enjoys helping patients understand their hearing and empowering them to make informed decisions about their care.
Known for her warm and approachable personality, Dr. Shelby takes time to listen, answer questions, and ensure every patient feels comfortable throughout the evaluation process. She believes the best outcomes come from education, collaboration, and building lasting relationships with her patients.
Outside the office, Dr. Shelby treasures time with her husband and their two children, Matthew and Madelyn. Whether they’re exploring new places, staying active, or cheering on the Vegas Golden Knights, family time is always at the center of their adventures.
“Helping people hear better starts with taking the time to listen.”

Joe Kopp
Hearing Aid Dispenser
Joseph “Joe” Kopp is a Hearing Aid Dispenser who is passionate about helping people hear, communicate, and stay connected to the people around them. Throughout his career, Joe has fit more than 5,000 hearing aids in Tucson and has developed a highly personalized approach to hearing care.
Joe takes the time to understand each patient’s individual concerns and listening challenges, customizing their hearing technology rather than relying solely on manufacturer settings. He especially enjoys patient counseling and helping people get the most from their hearing devices.
Outside the office, Joe enjoys all things sports and is a loyal Philadelphia fan. He is married, has three children, and a dog named Chewy. One of the most valuable lessons he has learned throughout his career is simple: slow down and listen more.

Kristina Islava
Patient Care Manager
Kristina Islava has been a valued member of the El Dorado Hearing team for more than 11 years. As Patient Care Manager, she is dedicated to creating a positive experience for every patient by ensuring they feel welcomed, supported, and confident throughout her hearing journey.
Originally pursuing a career in nursing, Kristina found her passion in hearing healthcare through the life changing impact it has on patients. She finds the greatest reward in watching someone leave the office feeling reconnected with their loved ones and able to enjoy life with renewed confidence through better hearing.
Outside of work, Kristina enjoys fishing, camping, gardening, thrifting, and reading. She and her longtime partner of 17 years are raising two sons, and they share their home with two pit bulls, Domino and China. Kristina is also passionate about serving her community and volunteers through her parish to help feed those experiencing homelessness.

Crystal Fernandez
Patient Care Coordinator
Crystal Fernandez is a compassionate Patient Care Coordinator who is dedicated to making every patient feel welcomed, supported, and cared for. Her passion for hearing healthcare was inspired by watching her grandmother experience hearing loss, which ultimately contributed to dementia and Alzheimer’s disease. That personal experience motivated Crystal to help others improve their quality of life through better hearing.
Known for her positive attitude and exceptional customer service, Crystal enjoys guiding patients through their hearing journey and helping them reconnect with the people and moments they love. She believes no one should take hearing for granted and is committed to making a difference, one patient at a time.
Outside of the office, Crystal enjoys crocheting baby quilts, cheering on the Dallas Cowboys, and spending time with her two dogs, Jazmine and Minnie. She is also the proud mother of two adult sons, Angel and Michael.

