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Board Certified Hearing Care Serving Contra Costa County

Local Hearing Experts

Trusted Hearing Care for Walnut Creek and Brentwood

Contra Costa Hearing Aid Center is a locally owned hearing aid center founded in 2008 by Toby S. Hill, a Board Certified Hearing Instrument Specialist with more than 20 years in hearing healthcare. After years on the manufacturing side of the industry, Toby found his real passion in working directly with people. Since then, our team has helped thousands across Walnut Creek, Brentwood, and Contra Costa County reconnect with the conversations and moments they love.

Toby S. Hill, ACA, BC-HIS, Owner & Hearing Instrument Specialist at Contra Costa Hearing Aid Center in Walnut Creek and Brentwood, CA

Toby S. Hill, ACA, BC-HIS

Owner & Hearing Instrument Specialist
Rachelle A. Hill, Office Manager & CFO at Contra Costa Hearing Aid Center in Walnut Creek and Brentwood, CA

Rachelle A. Hill

Office Manager / Bookkeeper / CFO
Senior Administrative Staff 22+ Years Instagram

Rachelle A. Hill is the Office Manager, Bookkeeper, and CFO at Contra Costa Hearing Aid Center. With more than 22 years of office experience and a Certificate in Accounting, she brings extensive accounting and customer-service expertise to the practice.

If you have any questions regarding your account, Rachelle is always happy to assist.

Michelle Wolfe, Patient Care Coordinator at Contra Costa Hearing Aid Center in Walnut Creek, CA

Michelle Wolfe

Patient Care Coordinator, Walnut Creek
Patient-Facing Coordinator Instagram

Michelle Wolfe is the Patient Care Coordinator at our Walnut Creek office. She supports patients with intake, scheduling, and friendly front-office care.

From the first phone call through every follow-up visit, Michelle helps make each patient's experience smooth and welcoming.

Sabrina Smith, Patient Care Coordinator at Contra Costa Hearing Aid Center in Brentwood, CA

Sabrina Smith

Patient Care Coordinator, Brentwood
Patient-Facing Coordinator Instagram

Sabrina Smith is the Patient Care Coordinator at our Brentwood office. She welcomes patients and helps with scheduling, intake, and day-to-day care.

Sabrina works to ensure every visit runs smoothly so patients can focus on their hearing health.

Keri Hill-Oxnam, Administrative Assistant at Contra Costa Hearing Aid Center in Brentwood, CA

Keri Hill-Oxnam

Administrative Assistant, Brentwood
Administrative Staff Instagram

Keri Hill-Oxnam is the Administrative Assistant at our Brentwood office. She graduated from CSU Chico in 2012 with a Bachelor's degree in both Music Education and Vocal Performance.

Keri is currently in the process of obtaining her hearing aid dispensing license, expanding the ways she can support patients at the practice.

Complete Hearing Care, Contra Costa

From hearing evaluations and hearing aids to tinnitus care, real ear measurement, and custom hearing protection in Walnut Creek and Brentwood, CA.

Patient Reviews

Hear from Walnut Creek and Brentwood patients who trust our hearing specialists for expert, no-pressure care.

Questions about hearing aids? Call or text our Contra Costa team.

Request a Callback

Whether it's a hearing evaluation, hearing aids, or a question about your hearing, share a few details and our team will call you back.