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.