doctor vs medical practitioner

doctor and medical practitioner both are nouns.

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

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

Other hypernyms of doctor include medical man.

doctor (noun)	medical practitioner (noun)
children take the roles of physician or patient or nurse and pretend they are at the physician's office	someone who practices medicine
a licensed medical practitioner
a person who holds Ph.D. degree (or the equivalent) from an academic institution

doctor (verb)	medical practitioner (verb)
give medical treatment to
alter and make impure, as with the intention to deceive
restore by replacing a part or putting together what is torn or broken