healthcare facility vs medical building

healthcare facility and medical building both are nouns.

Word	Noun	Adjective	Verb	Adverb
healthcare facility	Yes	No	No	No
medical building	Yes	No	No	No

As nouns, healthcare facility and medical building are synonyms defined as:

healthcare facility and medical building: building where medicine is practiced

Other synonyms of healthcare facility include health facility.

healthcare facility (noun)	medical building (noun)
building where medicine is practiced	building where medicine is practiced