Please recommend a dermatologist

My child has a lot of acne on his forehead, like small grains of rice.

This is a bit old, but when you squeeze it, small things like grains of rice come out.

I'm thinking of going to a dermatologist because it doesn't squeeze well and I'm worried that if I squeeze it at home, it'll leave a scar.

Please recommend a hospital in Gyeonggi-do that provides good skin care.