Another route is the DTV medical soft power, depending on your circumstances. I saw a doc here and established care for something that needs checkups every 6 months. They wrote a visa support letter for me to submit with my DTV application.
Anonymous participant 321 go to a teller. Show them the account number and name that's listed in the lease. Sometime there was a small fee (35-100 baht) depending on the branch we went to.
Anonymous participant 142 my two future appointments were both in the first week of July. However, the letter from my doctor stated that I needed to be seen every 3-6 months indefinitely for evaluation.
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.