You're getting your documents together to file an insurance claim, and at some point the insurer slides this in: "Just give us your Public MyData consent once, and we can pull your medical records ourselves." The first time you hear it, you tend to pause. You're already unwell, and now your medical information is going somewhere — and you start to worry that saying no might delay your payout. So let me give you the bottom line first: this is a choice, not an obligation.

Public MyData (공공마이데이터) sounds grand, but the idea behind it is simple. The old way, you the patient had to go back to the hospital, get your diagnosis certificate, treatment receipts and itemized statements, and hand them to the insurer yourself. With this, once you consent, it opens a channel that lets the insurer receive your records electronically — straight from public bodies like the National Health Insurance Service (건강보험공단) or the hospital. No second trip to pick up paper, and the claim can clear several days faster. That's why quite a few people find it handy.

The trouble is, when the consent screen actually pops up, it's often hard to tell at a glance what information is being pulled and how far it goes. That matters even more when your records are long and complex — chemotherapy, a hospital stay, that kind of thing. So before you tap yes, just check two things. First, exactly what this consent hands over — only your treatment costs, or your diagnosis names (상병명) and prescription history too? Second, whether the scope is limited to this one claim, or stays open going forward. It's usually limited to processing the claim at hand, but it's safest to read the wording on the screen yourself.

And here's the part to hold onto: not consenting does not mean you can't get paid. You can still gather the documents and submit them yourself, exactly as before. It just takes a bit more legwork. So if it ever sounds like "we can't process this unless you consent," that's likely a one-sided framing. Knowing it's an option for convenience, not a duty, takes a real weight off your mind.

Here's how I'd put it. If getting paid fast with less hassle matters to you and the consent items make sense — tap yes. If you feel uneasy about where your medical records flow and you're fine taking it slow — just submit on paper. Both are right answers. It also helps to know that even after consenting, you can withdraw it if you change your mind.

What's written here is general guidance only. For exactly how this applies to your own policy terms and claim situation, the surest move is to call your insurer's customer center and ask.