Police said the incident happened at about 23:20 on Saturday in Maxton Crescent in Wishaw.
The man was approached by four men as he stood outside his house. They assaulted him then stole some electrical items from his home and fled.
Detectives have appealed for witnesses.
The man was taken to Wishaw General Hospital.
Police issued descriptions of three of the four suspects.
The first was white, 25 years of age and of medium build with dyed blonde hair. He was wearing a black hooded top and black tracksuit trousers.
The second man was white, in his early 20s and wearing black-framed glasses. He had on a green hooded top.
The third was also white, in his 20s, tall and of slim build with shaved brown hair. He was wearing a black hooded top and black tracksuit trousers.
Officers were also keen to trace a woman seen standing with the men. She was described as white, in her 20s with long brown hair tied back in a ponytail. She was wearing a dark-coloured parka jacket and white trousers.
Det Sgt Alex Clark: "At this time inquiries are continuing to establish more details on this attack and the motive for it.
"I would urge anyone who witnessed this incident in Maxton Crescent last night, or who has any information that may assist police enquiries to contact Police Scotland on 101."
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