Yes, I do know of an ear doctor/clinic on Third Road, Dr. Apichai.
https://www.waze.com/live-map/https://www.google.com/maps/search/ear+clinic/@12.9483021,100.8950144,17.24z?
His clinic is on Third Road starting at South Pattaya Road almost to North Pattaya Road. I forget his hours but starting about noon on some days of the week, Best to come early to secure a spot. No appointments. Cost about B1000 and up.
https://www.google.com/maps/search/ear+clinic/@12.9483021,100.8950144,17.24z?entry=ttu&g_ep=EgoyMDI0MDkwOS4wIKXMDSoASAFQAw%3D%3D
He has good recommendations.