Hearing Instrument Specialists in San Francisco, CA
The practice is owned and operated by Michael Martinez, a licensed Hearing Aid Dispenser (Lic. No. HA 8049) and NB-HIS–certified professional through the National Board of Certification in Hearing Instrument Sciences. His commitment to precision, education, and individualized care ensures that every patient receives attentive service grounded in professional standards and proven techniques.
We offer a comprehensive range of hearing services, including hearing loss evaluation, diagnostic hearing testing, advanced hearing aids, professional hearing aid fittings, hearing aid repair, tinnitus relief, and 3D ear scanning for improved accuracy and comfort. Each patient begins with detailed testing and clear explanations, allowing us to develop personalized recommendations tailored to hearing needs, lifestyle demands, and communication goals.
At Hearing & Low Vision Solutions, our goal extends beyond treating hearing loss we strive to build long-term relationships through consistent care, thoughtful guidance, and dependable follow-up. From your first visit through ongoing support, we are committed to helping you hear more clearly and live more fully.
Meet the Team
Michael Martinez, Hearing Aid Dispenser Lic No. HA 8049
NB-HIS, Certified by the National Board of Certification in Hearing Instrument Sciences
And Owner
Michael is a licensed Hearing Aid Dispenser through the state of California. While attending school studying nutrition and dietetics, Michael came across an opportunity to work in the hearing health field and fell in love with the science behind hearing health…” and continue biography on as is written.
In 2021, he went back to school at Cal State East Bay to study Human Development with an emphasis on Adult Development and Gerontology.
After successfully growing and managing a local hearing clinic, Michael moved to Los Gatos to work with two experienced audiologists. After they retired, he and his husband moved to San Francisco where he became the new owner of Hearing and Low Vision Solutions.
Michael has first-hand experience with hearing loss as his aunt was diagnosed with profound congenital hearing loss at a young age. Now, he finds it incredibly rewarding to help clients hear all they have been missing.
During his down time, Michael loves to sing. He has joined various choirs throughout the years and always enjoys a good karaoke night. He also explores various parks in San Francisco and goes hiking with his husband and their dog, Ollie. Michael loves both current scientific news and various sci-fi franchises.
Leslie Deras, Hearing Aid Dispenser Lic No. HA 8994
Leslie has been with our team since 2021. She started out as a patient care coordinator and showed excellent care, ambition and intelligence while working with our clients. She was offered an opportunity to become licensed as a Hearing Aid Dispenser and successfully passed her exams in 2024.
Leslie speaks both Spanish and English. Before coming to Hearing and Low Vision Solutions, Leslie worked in the medical field as a physical therapy aid, behavioral technician, and office assistant. In her role as a physical therapy aid, she learned many valuable and transferable skills that helped her build relationships with her patients.
As a patient care coordinator she specialized in client relations and ensures that every interaction with current or potential clients upholds the values and standards of Hearing and Low Vision Solutions. Now, a desire has sparked in Leslie to pursue a career as a hearing instrument specialist.
Working with people is a pleasure for Leslie. Helping clients regain one of their six senses again – their hearing – is one of the best rewards anyone can ask for.
Karen Ly
Lab Tech
Karen has been with Hearing and Low Vision Solutions since 2015. As a Technical Assistant, Karen is able to work with clients through various aspect of her position.
She is the person who will send your hearing evaluation to your insurance for approval, and she also helps to teach various aspects of hearing aid maintenance, does follow-ups, and helps out wherever she can to make the client experience smoother.
Karen is fluent in Cantonese and Mandarin and acts as a translator for clients. She finds it exciting to meet new people everyday in the office. The most satisfying part of Karen’s role is being able to see a smile on a client’s face after they have been fitted with
Outside of the office, Karen enjoys going for walks to stay heathy. She used to play a lot of sports such as ping pong, volleyball, badminton, tennis, and squash ball.
Ana Espinosa
Patient Care Coordinator
I chose a career in audiology because I love working with different types of people in my community and making a meaningful impact in the medical field. Community is significant to me, and I value building strong connections with the people I serve.
Outside of work, I enjoy going on walks, watching the sunset and the moon, and indulging in ice cream. I believe bringing positivity and joy into everything I do makes life more fun.
