Longman Dictionary of Contemporary English
house call
noun
EXAMPLES FROM CORPUS
▪ Remote from hospitals, people with ruptured appendixes died at home waiting for the doctor to make a house call.
Wiktionary
house call
alt. 1 A visit by a medical professional, especially a physician, to examine a patient in his or her home. 2 A visit by a repair person or other customer service worker to a customer's home. n. 1 A visit by a medical professional, especially a physician, to examine a patient in his or her home. 2 A visit by a repair person or other customer service worker to a customer's home.
Wikipedia
House call
A house call is a visit to the home of a patient or client by a doctor or other professional. In some locations, families used to pay dues to a particular practice to underwrite house calls.