Founder and Director, Patti Hamaguchi is a expert, author of Childhood Speech, Language & Listening Problems: What Every Parent Should Know (Wiley & Sons, 3rd edition 2010) and two books on the treatment of auditory processing by She developed a standardized test with Dr. Deb Swain called the RESCA-E (Receptive, Expressive & Social Communication Assessment-Elementary). It is published by Academic Therapy Publications and is working on a preschool and adolescent version of this test. She is also the author of the 4th edition of the TAPS-4.

 Hamaguchi & Associates Pediatric Speech-Language Pathologists, Inc. is a professional corporation dedicated to providing private speech-language therapy for children in a warm and loving environment. We've been in Cupertino since 1996! We take pride in being a model of “best practices” in the field of speech-language pathology, utilizing state-of-the-art methods, tests, training, and materials. Our licensed speech-language pathologists are passionate about working with children, and all hold a Master’s Degree in Speech-Language Pathology or Communication Disorders, are licensed in the state of California and members of the American Speech-Language Hearing Association. Our office is child-friendly, complete with toys, puppets, videos, games and specialized software. We offer assessments, as well as individual or group therapy sessions for children up to age 12.

​We are currently offering Teletherapy services exclusively. (See Coronavirus notice below) We are able to take on a limited number of new clients for therapy only (no assessments) if you have a current IEP or recent assessment. If you would like to find out more, please contact our office manager, Candace at:

We started an app company! It is a separate company founded in 2011 that is dedicated to developing  cutting-edge apps with family-friendly pricing, featuring games designed to improve  speech, language and auditory skills! See us on the Apple iTunes App Store and  check out the website for Hamaguchi Apps to find out more about the apps from Hamaguchi Learning & Development LLC.


What areas do we specialize in?

Convenient free WiFi access in our waiting room 


Click here to see a photo tour of our office.

Coronavirus Upate March 18, 2020

Dear Parents,

We are excited to start our new Teletherapy speech therapy model beginning today! Parents have been called and schedules set up. We have received training and are feeling confident that this model offers some unique advantages to in-office therapy. We feel it will be an excellent way to continue your child's program until the coronavirus threat has passed. At this time, we are accepting a limited number of new clients for therapy (no assessments) if the child has an IEP or recent assessment. If you have any questions, please contact Candace, our office manager at::

All our staff are working from home, so please do not call the office.

  • Autism spectrum disorders
  • Apraxia (motor planning disorders)
  • Articulation disorders (pronunciation problems)
  • Preschool children who have delayed speech or social development
  • Auditory/Language Processing Disorders
  • Expressive language weaknesses
  • Poor listening skills
  • Social language/social cognition/play skills
  • Oral-motor weaknesses

**We are not able to take  stuttering, feeding, voice or augmentative communication (AAC) assessment or therapy cases. We are also not able to take on children with aggressive behaviors towards our staff, who are resistant to therapy or who cry/scream frequently and disrupt our other ongoing sessions.

Hamaguchi & Associates

20111 Stevens Creek Blvd., Suite 145

Cupertino, CA   95014

Please no calls until the coronavirus shutdown is over! No one is at the office.

(408) 366-1098 ext 3# for information/scheduling

(408)  366-1011 fax