doc vs medical practitioner

doc and medical practitioner both are nouns.

Word	Noun	Adjective	Verb	Adverb
doc	Yes	No	No	No
medical practitioner	Yes	No	No	No

As nouns, medical practitioner is a hypernym of doc; that is, medical practitioner is a word with a broader meaning than doc:

Other hypernyms of doc include medical man.

doc (noun)	medical practitioner (noun)
a licensed medical practitioner	someone who practices medicine