Yes, it is possible. No one can stop you from using "provide to". :) -The Merriam Webster doesn't mention the use of "provide to". -The OED mentions it but says that its usage is obsolete. -The Macmillan Dictionary approves the use of "provide to". provide [transitive] to give someone something that they want or need Our office can provide information on the local area. A taxi service from the airport will be provided. provide someone with something: The lecture provided him with an opportunity to meet one of his heroes. provide something for someone: The hotel provides a playroom for children. provide something to someone: We provide legal advice and services to our clients.

Yes it would be fine to say. "I provide shelter to the homeless." "I provided food to him."

this organistation provides shelter for the homless. he has to provide for a family of five. i'll provide you the opportunity to talk in the meeting. he provided me with a guide.

A teacher can also provide the report to the school head.

provide + to - is grammatically incorrect. Although it may be spoken without too much ado.