Clinically reviewed by Dr. Ponlawat Pitsuwan, Physician, Takecare Clinic Phuket. Last reviewed: September 2026
A work permit medical certificate in Thailand confirms you are free of six specific conditions listed under Thai labour law. It must be signed by a physician licensed by the Medical Council of Thailand and submitted within the validity window required by the e-Work Permit portal, now 30 days from the date of issue. You can get one the same day at a walk-in clinic in Phuket with no appointment needed.
You have accepted a job offer in Phuket. Maybe it is a management role at a resort in Kamala, a teaching contract in Phuket Town, or a dive instructor position out of Chalong. The employer hands you a checklist, and somewhere on it is "medical certificate for work permit." Most people spend the next hour searching online for what that actually means, whether their clinic can issue it, and whether they have time before the permit deadline. I see this at the clinic constantly, especially from expats who moved here from countries where a job medical is a quick signature from your GP.
The exam itself is straightforward, the requirements are specific, and if you are in good health you will walk out the same day with the paperwork your employer needs. What catches people out is not the exam. It is the timing, and that has mattered more since the e-Work Permit portal became mandatory across Thailand in January 2026. Get the certificate too early and it may expire before your application goes in. Get the format wrong and your employer’s HR team has to start over. This article covers exactly what is required, what to expect at the clinic, and how to time it correctly.
What the Work Permit Medical Certificate Actually Confirms
Thailand’s Foreigners Working Management Emergency Decree requires every foreign national applying for a work permit to present a medical certificate confirming they are free of six named conditions. This is not a general wellness check. The law lists them precisely.
The six are: leprosy at an infectious or dangerous stage, tuberculosis at a dangerous stage, drug addiction, stage three syphilis, elephantiasis that could cause public disgust, and alcohol addiction. A physician examines you, takes a brief history, and in most cases runs a VDRL blood test to screen for syphilis. For most healthy working expats, the exam is a formality. But it is a legal one, and the certificate has to say the right things in the right format. It must also be signed by a doctor registered with the Medical Council of Thailand. A certificate from a foreign-trained physician without that registration is not accepted by the Department of Employment.
Who Needs One, and the BOI Question
Anyone applying for a work permit under standard Thai labour law needs this certificate. That includes teachers, hotel staff, dive instructors, restaurant managers, company directors, and freelancers on formal work permit arrangements.
Where it gets complicated is BOI-promoted businesses. Some employers under Board of Investment promotion have been told their staff are exempt or that different rules apply. In practice, most employers in Phuket’s hospitality, tech, and service sectors still require the certificate, and the Department of Employment Phuket office expects to see it. If your employer or a visa agent tells you that you are exempt, confirm it directly with the Labour Department before skipping the exam. Getting it done and not needing it costs you an hour. Not getting it and needing it costs you a missed deadline. Work permit renewals also require a fresh certificate every time. The old one does not carry over.
The 30-Day Rule That Catches People Out
This is the part most people miss, and it has become more important since January 2026.
The e-Work Permit portal is now the mandatory submission route for work permit applications across Thailand. The portal applies a 30-day validity window to the medical certificate at the point of digital submission. If your certificate is dated more than 30 days before your online application goes in, the system can flag it as expired, even if the physical document looks valid.
The practical advice is simple: get your certificate as close to your submission date as possible. Do not get it six weeks early to tick it off the list. Coordinate with your employer or HR contact, confirm when the permit application will actually be submitted, then book your exam in the one to two weeks before that date. A walk-in clinic makes this easier because you are not waiting for an appointment slot.
What Happens at the Clinic
The exam is not complicated. Bring your passport. Some clinics ask for a photocopy of the data page, so carry one to be safe. Passport photos are not needed for the medical exam itself. Those are for the work permit application separately.
At Takecare Clinic Phuket in Patong, the doctor reviews your passport, takes a brief history, and performs a physical examination checking for the six listed conditions. A blood sample is taken for the VDRL syphilis screen, and results come back within the same visit in most cases. The certificate is printed, signed, and stamped by the physician. Most patients are done within 30 to 45 minutes. No appointment is needed, and the clinic has English-speaking physician care, which matters if your Thai is limited and you need to understand what you are signing before you leave.
How Much It Costs in Phuket
Private clinic pricing for a work permit medical certificate in Phuket is moderate. The cost at Takecare Clinic Phuket covers the physician consultation, the VDRL blood test, and the signed certificate, with no hidden extras for the standard exam.
If you are comparing on price alone, factor in the time cost of traveling to a clinic that requires advance booking or one that sends lab samples out and asks you to return the next day. For most working expats on a tight permit timeline, same-day issuance at a walk-in medical certificate clinic is worth more than a small price difference.
Renewing Every Year: Plan Ahead
The certificate is not a one-time requirement. Every work permit renewal in Thailand requires a freshly issued certificate. The previous year’s document is not accepted, even if it is only eleven months old.
I see expats come in who have let their permit get close to the renewal deadline and only then realise they need a fresh exam. During Phuket’s peak season, November through February, clinic demand across the island is higher and wait times are longer. If your permit renews in December or January, schedule your exam in the two weeks before your renewal submission, not the day before. A lapsed or expired certificate can delay your entire renewal, which creates compliance problems for your employer as well as for you.
If you are based in Chalong, Rawai, Kata, or anywhere on the south end of the island, you can reach Patong in around 20 to 30 minutes and complete the exam within the hour. There is no reason to leave this to the last day of a tight deadline.
Need a work permit medical certificate in Phuket? Takecare Clinic Phuket in Patong issues same-day certificates accepted by the Thai Department of Employment, signed by a Medical Council of Thailand licensed physician, with no appointment needed. Walk in with your passport and your certificate is ready the same day. We see expats and working residents from Patong, Kamala, Kata, Chalong, Rawai, and Phuket Town. Find us at 34/14 Prachanukhro Rd, Kathu District, Patong, or visit takecareclinicphuket.com/medical-certificate-phuket/.
FAQ
Dr. Ponlawat Pitsuwan
Physician, Takecare Medical Clinic Phuket
a walk-in medical clinic based in Patong with English-speaking physician care and no appointment needed. He sees tourists, expats, and working residents across Phuket for work permit medical certificates, occupational health checks, and primary care. His focus is straightforward, evidence-based care delivered in plain language.
