Here is some more information on this linking word. Note the use of punctuation.
Linking word: In addition to
Meaning: As well as; plus
Common use 1: At the beginning of a sentence
Grammar: Linking word + noun phrase + comma + complete clause
Example: In addition to receiving government subsidies, many hospitals try to raise money privately.
Common error: In addition to receive government subsidies, many hospitals try to raise money privately.
Common use 2: In the middle of a sentence
Grammar: Complete clause + comma + linking word + noun phrase
Example: Many hospitals try to raise money privately, in addition to receiving government subsidies.
Common error: Many hospitals try to raise money privately, in addition to receive government subsidies.