Menlo Park: (650) 854-1980
Los Altos: (650) 941-0664
Menlo Park: (650) 854-1980
Los Altos: (650) 941-0664
Menlo Park: (650) 854-1980
Los Altos: (650) 941-0664
Share Your Experience With Us
Your feedback helps us grow and guides others toward better hearing care.
Take a moment to leave a review for our Los Altos or Menlo Park clinic—we’d be grateful to hear from you.
Share Your Experience With Us
Your feedback helps us grow and guides others toward better hearing care.
Take a moment to leave a review for our Los Altos or Menlo Park clinic—we’d be grateful to hear from you.
Share Your Experience With Us
Your feedback helps us grow and guides others toward better hearing care.
Take a moment to leave a review for our Los Altos or Menlo Park clinic—we’d be grateful to hear from you.
Get In Touch
Location Details
Menlo Park
3555 Alameda de las Pulgas, Suite 100, Menlo Park, CA 94025
Los Altos
496 First Street, Suite 120, Los Altos, CA 94022
How Can We Help?
Ways in Which We’ve Served The Community Since 1977
Advanced Hearing Testing
Prescription Hearing Aid Technology
Tinnitus Treatment
When Was Your Last Hearing Test?
Although we all regularly have our teeth checked, our cholesterol tested, and get a yearly physical, hardly any of us regularly test our hearing.
Yet with 1 in 8 Americans now having some form of hearing loss, we’re passionate about raising awareness of healthy hearing and of the first signs of hearing loss.
Advanced Hearing Testing
Prescription Hearing Aid Technology
Tinnitus Treatment
When Was Your Last Hearing Test?
Although we all regularly have our teeth checked, our cholesterol tested, and get a yearly physical, hardly any of us regularly test our hearing.
Yet with 1 in 8 Americans now having some form of hearing loss, we’re passionate about raising awareness of healthy hearing and of the first signs of hearing loss.
Advanced Hearing Testing
Prescription Hearing Aid Technology
Tinnitus Treatment
When Was Your Last Hearing Test?
Although we all regularly have our teeth checked, our cholesterol tested, and get a yearly physical, hardly any of us regularly test our hearing.
Yet with 1 in 8 Americans now having some form of hearing loss, we’re passionate about raising awareness of healthy hearing and of the first signs of hearing loss.
Meet Your Hearing Experts
Ariel Fruendt
Au.D.
Co-Owner and Clinical Audiologist
Menlo Park
Rachel Appleton
Au.D.
Co-Owner and Clinical Audiologist
Menlo Park
Brook Raguskus
Au.D.
Clinical Audiologist
Los Altos
Ashley Chwastyk
Au.D.
Clinical Audiologist
Los Altos
Ling Zhong
Au.D.
Clinical Audiologist
Menlo Park
Amanda Duren
Au.D.
Clinical Audiologist
Menlo Park
Brianne Mangold
Au.D.
Clinical Audiologist
Menlo Park
Ethan Chen, B.A.
B.A.
Audiology Doctoral Student
Los Altos
Jane H. Baxter
Au.D.
Owner Emeritus and Clinical Audiologist
Deborah Clark
Au.D.
Owner Emeritus and Clinical Audiologist
Ann Mau
Patient Care Coordinator
Menlo Park
Jasmine May
Patient Care Coordinator
Menlo Park
Jana Jacobs
Patient Care Coordinator
Los Altos
Brian Kajita
Audiology Assistant
Menlo Park
Kirstin Chang
Audiology Assistant
Los Altos
Janna Dumlao
Audiology Assistant
Menlo Park
Diana Gutierrez
Audiology Assistant
Los Altos
Kassie Walder
Patient Care Coordinator
Los Altos
Jessie Johnson
Director of Outreach and Special Projects
Heather Chapman
Administrative Assistant
Steve Beck
Operations Manager
Garrett Canavero
Operations Assistant & IT Support
Meet Your Hearing Experts
Ariel Fruendt
Au.D.
Co-Owner and Clinical Audiologist
Menlo Park
Rachel Appleton
Au.D.
Co-Owner and Clinical Audiologist
Menlo Park
Brook Raguskus
Au.D.
Clinical Audiologist
Los Altos
Ashley Chwastyk
Au.D.
Clinical Audiologist
Los Altos
Ling Zhong
Au.D.
Clinical Audiologist
Menlo Park
Amanda Duren
Au.D.
Clinical Audiologist
Menlo Park
Brianne Mangold
Au.D.
Clinical Audiologist
Menlo Park
Ethan Chen, B.A.
B.A.
Audiology Doctoral Student
Los Altos
Jane H. Baxter
Au.D.
Owner Emeritus and Clinical Audiologist
Deborah Clark
Au.D.
Owner Emeritus and Clinical Audiologist
Ann Mau
Patient Care Coordinator
Menlo Park
Jasmine May
Patient Care Coordinator
Menlo Park
Jana Jacobs
Patient Care Coordinator
Los Altos
Brian Kajita
Audiology Assistant
Menlo Park
Kirstin Chang
Audiology Assistant
Los Altos
Janna Dumlao
Audiology Assistant
Menlo Park
Diana Gutierrez
Audiology Assistant
Los Altos
Kassie Walder
Patient Care Coordinator
Los Altos
Jessie Johnson
Director of Outreach and Special Projects
Heather Chapman
Administrative Assistant
Steve Beck
Operations Manager
Garrett Canavero
Operations Assistant & IT Support
Meet Your Hearing Experts
Ariel Fruendt
Au.D.
Co-Owner and Clinical Audiologist
Menlo Park
Rachel Appleton
Au.D.
Co-Owner and Clinical Audiologist
Menlo Park
Brook Raguskus
Au.D.
Clinical Audiologist
Los Altos
Ashley Chwastyk
Au.D.
Clinical Audiologist
Los Altos
Ling Zhong
Au.D.
Clinical Audiologist
Menlo Park
Amanda Duren
Au.D.
Clinical Audiologist
Menlo Park
Brianne Mangold
Au.D.
Clinical Audiologist
Menlo Park
Ethan Chen, B.A.
B.A.
Audiology Doctoral Student
Los Altos
Jane H. Baxter
Au.D.
Owner Emeritus and Clinical Audiologist
Deborah Clark
Au.D.
Owner Emeritus and Clinical Audiologist
Ann Mau
Patient Care Coordinator
Menlo Park
Jasmine May
Patient Care Coordinator
Menlo Park
Jana Jacobs
Patient Care Coordinator
Los Altos
Brian Kajita
Audiology Assistant
Menlo Park
Kirstin Chang
Audiology Assistant
Los Altos
Janna Dumlao
Audiology Assistant
Menlo Park
Diana Gutierrez
Audiology Assistant
Los Altos
Kassie Walder
Patient Care Coordinator
Los Altos
Jessie Johnson
Director of Outreach and Special Projects
Heather Chapman
Administrative Assistant
Steve Beck
Operations Manager
Garrett Canavero
Operations Assistant & IT Support
Request a Callback
Have a question? We’ll call you!
Simply request a callback through this form, and we’ll call you for a short and friendly no-obligation conversation to answer your questions and offer our expert advice.
Don’t want to wait? Then why not call us at your nearest office.
Menlo Park
3555 Alameda de las Pulgas, Suite 100, Menlo Park, CA 94025
Los Altos
496 First Street, Suite 120, Los Altos, CA 94022
Request a Callback
Have a question? We’ll call you!
Simply request a callback through this form, and we’ll call you for a short and friendly no-obligation conversation to answer your questions and offer our expert advice.
Don’t want to wait? Then why not call us at your nearest office.
Menlo Park
3555 Alameda de las Pulgas, Suite 100, Menlo Park, CA 94025
Los Altos
496 First Street, Suite 120, Los Altos, CA 94022
Request a Callback
Have a question? We’ll call you!
Simply request a callback through this form, and we’ll call you for a short and friendly no-obligation conversation to answer your questions and offer our expert advice.
Don’t want to wait? Then why not call us at your nearest office.
Menlo Park
3555 Alameda de las Pulgas, Suite 100, Menlo Park, CA 94025
Los Altos
496 First Street, Suite 120, Los Altos, CA 94022
Opening Times
Monday: 9:00am – 7:00pm
Tuesday: 9:00am – 7:00pm
Wednesday: 8:30am – 5:45pm
Thursday: 8:30am – 5:45pm
Friday: 9:00am – 4:45pm
Saturday: Closed
Opening Times
Monday: 8:30am – 5:15pm
Tuesday: 8:30am – 5:15pm
Wednesday: 8:30am – 5:15pm
Thursday: 8:30am – 5:15pm
Friday: 8:00am – 4:00pm
Saturday: Closed
Opening Times
Monday: 9:00am – 7:00pm
Tuesday: 9:00am – 7:00pm
Wednesday: 8:30am – 5:45pm
Thursday: 8:30am – 5:45pm
Friday: 9:00am – 4:45pm
Saturday: Closed
Opening Times
Monday: 8:30am – 5:15pm
Tuesday: 8:30am – 5:15pm
Wednesday: 8:30am – 5:15pm
Thursday: 8:30am – 5:15pm
Friday: 8:00am – 4:00pm
Saturday: Closed
Opening Times
Monday: 9:00am – 7:00pm
Tuesday: 9:00am – 7:00pm
Wednesday: 8:30am – 5:45pm
Thursday: 8:30am – 5:45pm
Friday: 9:00am – 4:45pm
Saturday: Closed
Opening Times
Monday: 8:30am – 5:15pm
Tuesday: 8:30am – 5:15pm
Wednesday: 8:30am – 5:15pm
Thursday: 8:30am – 5:15pm
Friday: 8:00am – 4:00pm
Saturday: Closed
©2025 Pacific Hearing Service. All Rights Reserved.
©2025 Pacific Hearing Service. All Rights Reserved.
©2025 Pacific Hearing Service. All Rights Reserved.