Before you start

Health insurance with a serious inpatient limit — and confirmation it covers motorcycle use if you ride
For LTR and O-A visa holders, cover meeting the visa's own minimum, which is a condition of the visa rather than optional
A Phuket address and Thai mobile number for hospital registration

Step-by-step

1
Buy cover that matches how you will actually get hurt here
Compare policies on the inpatient annual limit, not the premium. Then check two exclusions specifically: motorcycle use, and motorcycle use without a valid motorcycle licence. Many travel and expatriate policies exclude one or both, and a road accident on two wheels is the single most likely serious claim on this island. Some visa routes also impose their own minimum cover as a condition — verify the current floor before you buy.
OnlineWho: YouA few days to compare and underwriteWide range; local Thai insurers are considerably cheaper than international plans
2
Register at your chosen private hospital while you are well
Phuket's main private hospitals have international patient departments that handle English-speaking service and coordinate direct billing with insurers. Register as a patient before you need to — it takes minutes, creates the record, and means the admissions process at two in the morning is short. Confirm which hospitals your insurer direct-bills, because the alternative is paying a large sum yourself and claiming it back.
In personWho: You30 minutesFree to register
3
Use a clinic for routine things
Private clinics across the island handle everyday illness at a small consultation fee with medication dispensed on the spot, and are far faster and cheaper than a hospital outpatient department for a fever, an infection or a prescription. Pharmacies are well stocked and pharmacists are knowledgeable. This is the right first stop for anything that is not an emergency.
In personWho: EveryoneWalk-in, same dayA modest consultation fee
4
Know the government option
Vachira Phuket Hospital in Phuket Town is the main government hospital and treats emergencies regardless of insurance status. Foreigners are charged, but at rates far below private pricing. Waiting times for non-urgent presentations are long. Employees on a work permit are enrolled in Social Security by their employer, which ties state-covered treatment to one nominated hospital — choose that nomination deliberately rather than letting HR pick.
In personWho: Employees and the uninsuredWalk-in; long waits for non-urgent casesWell below private rates
5
Manage the island's specific risks: sea, road and mosquitoes
Learn the beach flag system and where the lifeguards are before you swim, particularly in monsoon months. Wear a proper helmet. Dengue is endemic and seasonal, and there is no vaccine you can rely on — bite prevention is the control, and a sudden high fever warrants a blood test rather than an assumption of flu. These three account for most of what actually happens to foreigners here.
In personWho: EveryoneOngoingRepellent, a helmet and paying attention

Documents you’ll need

Insurance policy certificate and any direct-billing card
Passport and current visa or extension
Hospital patient card once registered
Social Security card, for employees

Things most newcomers don’t know

Check whether your policy covers motorcycles before you rent one, because that is how you are most likely to need it.

Motorbike injuries are the leading cause of serious harm to foreigners on this island, and a large number of travel and expatriate health policies either exclude motorcycle use entirely, exclude it above a certain engine capacity, or exclude riders without a valid motorcycle licence. Rental shops do not check any of this. The result is a predictable disaster: a routine low-speed slide becomes a self-funded hospital admission. Read the exclusions and get the answer in writing before your first ride.

Source: Standard travel and expatriate policy exclusions; Phuket road injury patterns

Phuket having real hospitals is a genuine and unusual advantage — and it is why some people choose here over the mainland.

Most island destinations mean a flight for anything serious. Phuket supports internationally accredited private hospitals with English-speaking specialists and a government hospital in the town, so cardiac care, orthopaedics and emergency surgery are all available without leaving. For anyone weighing Phuket against a smaller Thai island or a quieter beach town, this is the concrete difference and it is worth more than the rent saving elsewhere.

Source: Phuket private hospital sector; international accreditation

Social Security ties your state-covered treatment to one hospital you nominate, and you can only change it once a year.

Employees on a work permit are enrolled by their employer and pick a registered hospital where their covered care happens. Let HR choose by default and you can end up registered somewhere inconvenient or that you would rather not use, with a year to wait before switching. It takes five minutes to nominate deliberately and it determines where you are treated for the next twelve months.

Source: Social Security Office (SSO) Thailand

Read the inpatient annual limit, not the premium.

Cheap policies satisfy visa conditions and look reassuring right up to the point where the annual inpatient cap is compared against a serious admission at a flagship private hospital. Pre-existing conditions are typically excluded from the outset, and dental, maternity and mental health are commonly outside basic plans. The number that determines whether the policy actually protects you is the inpatient limit, and it is rarely the number in the marketing.

Source: Thai and international insurance policy terms

Common mistakes to avoid

Riding a motorbike on a policy that excludes motorcycles, or without the motorcycle licence the policy requires
Buying the cheapest policy that meets a visa condition and finding the inpatient limit will not cover a real admission
Not registering at a private hospital until the night you need accident and emergency
Letting your employer nominate your Social Security hospital and being stuck with it for a year
Swimming at an unguarded west-coast beach in monsoon season, or treating red flags as advisory
Assuming a high fever is flu without a dengue blood test

Some of this may be out of date. Spotted something inaccurate? Help us keep it right for the next newcomer.