Information for Bangkokians;
Bumrungrad Hospital has a 90 day reporting service where you drop your passport off one day and pick it up the next for a 600baht service charge.
They also provide immigration services on Saturday from 8-11 on the 10th floor of the customer service building with an immigration officer on site.
They will do 30 day extensions on either a visa exempt entry or a tourist visa for 1900baht plus the 600 baht service charge (2500baht all in).
I just wanted to let people know about it was all
TLDR : Answer Summary
Bumrungrad Hospital in Bangkok provides a 90-day reporting service for expats where they can drop off their passport one day and pick it up the next for a service fee of 600 baht. Additionally, the hospital offers immigration services on Saturdays from 8-11 AM on the 10th floor of the customer service building, including 30-day extensions for both visa-exempt entries and tourist visas at a total cost of 2500 baht (1900 baht extension fee plus 600 baht service charge). The services do not require patients to have undergone procedures at the hospital.