Health Insurance for Foreigners in Korea

Most foreigners in Korea are auto-enrolled in National Health Insurance. Workplace vs. regional coverage, adding dependents, and what nonpayment costs you.

Published 2026-09-10

If you're a foreigner living in Korea for six months or more, you're almost certainly enrolled in National Health Insurance already, usually without ever applying. If you have a job, you're a workplace subscriber; if not, you're a regional subscriber. What actually matters comes next: falling behind on premiums means paying the full cost at the hospital, and it can work against you when you apply to extend your stay.

Who gets enrolled, and when

Since July 2019, foreigners staying in Korea six months or longer have been required to join as regional subscribers, and a 2021 revision made this automatic — once you hit that point, you're enrolled without filing anything. If you're employed, there is no waiting period at all: you become a workplace subscriber the day you start as an employee, civil servant, or staff member at an insured workplace.

Study (D-2), pre-college schooling (D-4-3), non-professional employment (E-9), permanent residency (F-5), marriage migration (F-6) — regional subscriber from the day you enter Korea
Any other status — regional subscriber automatically, six months after you complete alien registration
Employed at an insured workplace — workplace subscriber from your start date, regardless of visa status

Who must enroll and when coverage starts are set by law and haven't changed often as of September 2026. To check exactly where your own case falls, the National Health Insurance Service (1577-1000, press 7 for foreign-language support) or nhis.or.kr is the accurate source.

집 앞에 걸린 작은 우편함, 문이 열려 있고 안에 아무것도 인쇄되지 않은 봉투가 한 장 놓여 있다. 아침 볕이 나뭇잎에 맺힌 이슬을 비춘다.

Workplace vs. regional: what's different

Workplace subscribers split their premium with their employer, half and half. Regional subscribers are assessed by household, based on income and property — and foreign regional subscribers have one rule that doesn't apply to Korean nationals.

There's a minimum premium even with no income and no property. If your assessed premium comes out lower than the previous year's average regional premium, you pay that average instead. The same applies to a household whose head holds permanent residency (F-5) or marriage migration (F-6) status.
Students (D-2) pay half. Their premium is based on that same average, discounted by 50%.

The exact average premium is reset every year, so this post doesn't quote a figure. Check the current amount through the NHIS call center or by looking up your bill on nhis.or.kr.

아침 볕이 드는 집, 네 사람 몫으로 차려진 밥상. 가운데 냄비와 젓가락, 작은 꽃병이 놓여 있고 사람은 없다.

Can your family join too — dependents

A workplace subscriber can register a spouse or children as dependents, and those family members don't pay a separate premium. The rule changed on April 3, 2024: a foreigner or overseas Korean national who entered after that date generally needs six months of residence in Korea to qualify as a dependent. Spouses and minor children are exempt from that residence requirement. There is a separate income test too — combined income above 20 million won a year rules a person out.

What happens if you don't pay

The first thing that shows up is your hospital bill. Once your coverage lapses, you pay the full cost of care from that day on.

The second thing shows up later. When you file anything with immigration — extending your stay, changing your status, changing employers — the officer checks whether you owe back taxes or health insurance premiums. What matters is not how much you owe, but how many months you have been behind.

One to three months overdue — an extension may be limited to six months or less
Four months or more overdue — an extension may be refused outright
Pay everything you owe and get a certificate of full payment, and the application goes through normally

아무도 없는 병원 대기실. 밝은 창을 따라 연한 색 의자들이 줄지어 놓여 있고 구석에 화분이 있다.

What the hospital asks for

Since May 20, 2024, hospitals and pharmacies must verify your identity before applying health insurance to your bill. Accepted ID includes an alien registration card, a permanent residence card, or a passport — anything with a photo and a registration number. Show up without one and you pay the full cost that day, but if you return within 14 days with your ID and the receipt, the insured portion is refunded. This check is waived if you're under 19, or if the same clinic has already verified you within the past six months.

Where to check and ask

NHIS call center, 1577-1000 — press 7 for foreign-language support (1 English, 2 Chinese, 3 Vietnamese, 4 Uzbek). The dedicated foreigner line is 033-811-2000, or +82-33-811-2001 from outside Korea. Weekdays 9 a.m. to 6 p.m., Korea time.
In person — the Foreigner Health Insurance Support Center, 3rd floor of the Sindorim Technomart building in Guro-gu, Seoul
Enrollment, eligibility, and bills — nhis.or.kr, or the mobile app 'The건강보험'

창가 책상에 앉아 한 손에 전화기를 들고 통화하는 여성. 다른 손은 덮인 빈 노트 위에 놓여 있고 옆에 찻잔이 있다.

It comes up in the interview too

The naturalization interview's general-knowledge questions include ones about the social insurance system. Among the practice questions we've compiled are these:

질병·부상으로 병원을 이용할 때 의료비 부담을 줄여주는 사회보험은 무엇입니까? — 국민건강보험

국민연금·건강보험·고용보험·산재보험을 합쳐 무엇이라고 합니까? — 4대 사회보험

A system you know only as a monthly premium and a card in your wallet becomes, in the interview room, a question you have to answer by naming the institution correctly. Our service lets you hear questions like these in an interviewer's voice and practice answering them out loud.

This article is not legal or insurance advice. Who must enroll, how premiums are calculated, and the consequences of falling behind all change when the system is revised. Before you apply for anything, check current guidance at the National Health Insurance Service (1577-1000, nhis.or.kr) or Hi Korea (hikorea.go.kr).