About Us

About Us and Our Mission Statement

Peninsula Hearing Center will provide state-of-the-art, professional hearing and balance services for all individuals. We promote and encourage a healthy lifestyle, while educating our patients and the community about disorders of the ear, as well as hearing instrument care. We are 100% dedicated to our patients’ success and will work to exceed expectations. Contact us to learn more about us!

Your Goals are Our Goals

We promise to work closely with you to discover where you are having the most difficulties communicating and to determine the best solution for your hearing needs. If that solution includes hearing aids, we are committed to recommending technology that:

• Works best for your level of hearing loss.

• Complements your lifestyle.

• Fits within your budget.

Your satisfaction is our ultimate goal.

Our audiologists on staff at Peninsula Hearing Center have served the San Diego, California area and its surrounding communities for several years. We offer a full range of diagnostic and preventative hearing healthcare professional services, including hearing aid screenings, evaluations, hearing aid sales and rehabilitative and preventative counseling. We are dedicated to keeping abreast of the latest improvements in technological advancements in the hearing industry and are committed to offering the most current options to our patients.

Choosing a hearing professional is one of the most important decisions you will ever make and the personal relationships you will develop with the staff at Peninsula Hearing Center will continue long after your initial appointment. We understand that ongoing counseling, periodic adjustments and regular hearing aid cleanings are vital to your continued satisfaction with your investment in better hearing and we are committed to being here to support your every need.

Meet Our Staff

Our caring and professional staff, led by Dr. Dena Riso, are here to meet your needs.  Well trained and committed to protecting your good hearing, we will assist you in meeting your healthcare goals.  Click on the sections below to learn more about us.

Dena Riso

Dr. Dena, owner of Peninsula Hearing Center, is a native San Diegan. She has worked with the hearing impaired for over fifteen years and prides herself on continuing the care of the community she calls home. Dena’s experience includes a variety of healthcare settings including private practice, hospitals, clinics, and as an educational and occupational Audiologist. She has the capability to properly assess any individual’s hearing needs no matter their age, budget, lifestyle, or type of hearing loss.

Peninsula Hearing Center is conveniently located in the village of Point Loma, with a friendly, knowledgeable, full-time staff. The staff shares a community focus, which is enhanced by Dena, who remains active in the Point Loma Association and Coronado Rotary. With this home-grown, professional expertise, Dena and her staff can accurately develop a healthy hearing plan to improve the quality of life for every patient that walks through the door. Now more than ever is a great time to hear what you’ve been missing.
Besides a beautiful private practice in Point Loma, Dr. Dena opened Coronado Hearing Center in March 2014.

Personally, Dena enjoys spending time with her husband, two daughters, and three dogs. Taking part in all Southern California has to offer, she loves taking her dogs to OB Dog Beach, running, swimming, hiking and riding bicycles with her family. Dr. Dena Riso, Au.D. is a licensed Doctor of Audiology and certified Hearing Aid Dispenser with the state of California.

Dr. Sarah Hernandez is a San Diego native and previously worked at PHC from 2014 to 2017 as an audiology assistant before leaving to receive her doctorate at A.T. Still University in Mesa, Az. During her time away, she gained multiple clinical experiences doing diagnostic balance assessments that she will now be incorporating into our Rancho Bernardo location. When Sarah is not in the office, she loves going on outdoor adventures with her husband, Luis, or spending time with her family and friends.

Ruby Sortillon is a native San Diegan who married her high school sweetheart and currently lives in beautiful Chula Vista. She is a mom of 2 adult children and Glammy to her adorable grandson Joey Grey. She has worked in the hearing industry since 2007, which is where she met Dr. Dena. She is incredibly knowledgeable in hearing aids, hearing loss counseling, and insurance billing. You can always call our office and be certain that she will help you with anything you may need.

If you happen to stop by and Dr. Riso or Dr. Gray are busy, Ruby can help you clean, repair, and explain all of our hearing aid needs.

When she’s not managing the Point Loma office, Ruby enjoys spending time with her family and wonderful dog, Buchanas.

Sabrina joined our PHC family in 2021 in the new Rancho Bernardo Office. She is the front
office administrator that will help you schedule appointments, clean and service your hearing
aids, and offer you complimentary coffee, tea, or water while she works! She loves people and
welcomes everyone with a smile and caring manner.

Sabrina has been a Rancho Bernardo resident since 1986, and graduated from Poway High.
She is currently working on a Masters of Science in Industrial Organization from Purdue
University. If she is not working or studying, she enjoys spending time with her two teenagers.
They love to go camping in the desert, have annual passes to Sea World and Knott’s Berry
Farm and, for more thrills, they are slowly mastering Escape Rooms throughout San Diego.

Stop by the beautiful new Rancho Bernardo location and say hello to Sabrina, she is ready to
welcome you to Peninsula Hearing Center.

Mari, short for Maribel, joined the team in 2018 as office admin. She is a full-time college student at San Diego State University, studying Communication. Mari has two sisters, one older and one younger, and she loves hanging out with her family and making memories. When she is not at work or school, she enjoys using her annual pass to spend the day at Disneyland. Of course, that is on hold because of COVID. She is passionate about working out and staying active and participated in a variety of club sports, such as soccer, softball, volleyball, track, and cross country.

You will be greeted by her infectious smile in Point Loma on Saturdays. She is ready to assist you with cleaning or troubleshooting your hearing aid, so come and say “hi!” sometime soon.