Medical services Booking an appointment tel. 030 6000* (* From landline 8,21 snt/call + 3,2 snt/minute, from gsm 19 snt/minute) Terveystalo is the largest healthcare service company in Finland. Terveystalo's customers include private people, companies and organizations, insurance companies and the public sector. The company offers versatile healthcare, occupational healthcare, medical and examination services in more than 60 towns and nearly 150 offices around Finland.