Mission Statement

Peninsula Hearing Center will provide state-of-the-art, professional hearing services for all individuals.  We promote and encourage healthy hearing while educating our patients and the community about hearing loss and hearing instrument care. We are 100% dedicated to our patients’ success and will work hard to exceed their expectations.

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, is here to meet your needs.  Well trained and committed to protecting your good hearing, we will assist you in meeting your healthcare goals.

Dena J. Riso, Au.D.

Doctor of Audiology/Owner

Dr. Dena, owner of Peninsula Hearing Center, is a native San Diegan. She has worked with the hearing impaired for over ten 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 Ocean Beach Main Street Association. 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 acquired La Jolla Hearing Center at Casa de Manana in La Jolla in 2011 and opened Coronado Hearing Center in Dr. Dill’s Wellness Center in Coronado in March 2014.

Personally, Dena enjoys spending time with her husband, two daughters and two 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.

Ruby Sortillon

Office Manager

Ruby Sortillon is a native San Diegan who currently lives in beautiful Chula Vista with her husband of 16 years and two children. She has worked in the hearing industry for 8 years and is knowledgeable in hearing aids and hearing loss counseling. Ruby recently took on the job of marketing for our three locations. You can always call our office and be certain that she will help you with anything you may need.

When she's not managing the Point Loma office, Ruby enjoys spending time with her family and their wonderful dog, Buchanas. Ruby’s son attends community college and works at Peninsula Hearing Center part time. Her daughter is currently a senior in high school, and involved in many school activities and clubs.

If you happen to stop by and Dr. Riso is busy, Ruby can help you clean, repair and explain all of our hearing and assistive listening devices.


Sarah Baldwin

Audiology Assistant

Sarah Baldwin was born in beautiful Encinitas, CA and moved to Tucson, AZ when she was 16 years old. She was introduced to Audiology and hearing care while attending the University of Arizona. While participating in a clinical assistant program in a hearing clinic, Sarah realized she wanted to pursue a career in Audiology. She graduated from the University of Arizona with a degree in Speech, Language, and Hearing Sciences in December 2013. In June 2014 she began work at Peninsula Hearing Center as Dr. Dena’s assistant. She assists by performing annual audiograms to track changes in our patient’s hearing, as well as building her skills so she can do more to help patients and their hearing needs. Eventually, she plans on returning to school and working on a Doctorate in Audiology.

In her off time, she enjoys hanging out with her family and friends and spending time outdoors doing things like hiking and going to the beach. She is also a big sports fan. She has played soccer since she was four years old and she's a diehard Chargers fan. Go Bolts!


Anthony Sortillon


Anthony works in the Point Loma office on Wednesdays and Saturdays. On Wednesdays he keeps all patients up to date on their warranty expirations and annual audios. Anthony will assist you with your check-in and any special needs you have while you wait for your visit with the doctor on Saturdays. He is currently going to school for a degree in Communications and also has another part time job working as a DJ.

Organizations and Affiliations

Dr. Riso takes pride in giving her time and talent to local community groups. These include:

The PHC Experience

Here is an example of the care you'll receive when you visit us...




1310 Rosecrans Street, Suite A

San Diego, CA 92106



849 Coast Boulevard

La Jolla, CA 92037



171 C Avenue, Suite A

Coronado, CA 92118




Programs & Services

Hearing Exams, Analysis, and Evaluations

Hearing Aids: Evaluation, Inspection, and Cleaning

House Calls

Lyric and LACE

Tinnitis Rehabilitation

TV Ears

Custom Earmolds



Hearing Resources

Why Choose an Audiologist

How you Hear

Types and Causes of Hearing Loss

Myths about Hearing Loss

About Tinnitus

Our Solutions



About Us

Our Mission Statement

About Dr. Dena Riso

Our Dedicated Staff

Clubs and Associations

Our Patients Speak

What Our Patients Have to Say About us and Our Services

Contact Us

How to reach us, where to find us, and schedule an appointment with us

San Diego Audiologist Dena Riso, Au.D. and the staff of Peninsula Hearing Center Inc. are dedicated to protect and preserve your hearing. We provide state-of-the-art hearing services for everyone. We promote healthy hearing and educate our communities about hearing loss. We offer preventative and diagnostic hearing services, including screenings for hearing aid use and purchases, evaluations, rehabilitative and preventative counseling. We are dedicated to keeping current on the latest technologies and techniques in hearing medicine and are dedicated to offering the most appropriate options to our patients.