Everything went very well! Very professional, yet also personal. A very knowledgeable audiologist [like none of the past ones], made several changes that improved my hearing 100%+! Mary and Matilde; a

We were on a short road trip, and hubby needed to stop at the nearest Costco so he could get his hearing aids cleaned and adjusted. Since we didn't have an appointment, we had to wait about 20 minutes

I had gone to Demetrius for years. But the customer service I have encountered from Costco Hearing Aid Center in Manteca is unacceptable and really bad service as a Costco Customer for close to 20 yea