I don't think I've ever heard or read "administer to" in any competent English. If you posted an example of this use, others might be able to give you a decent opinion about the suitability of that phrase.
My question is that are these two phrase used frequently in speaking or writing?
I never use "administer" that way. I've never heard or seen "administer" used that way. Maybe somebody who uses it that way would like it. I don't.
If you have a sentence in mind in which you would like to use one of these phrases, I'm sure other members will find it helpful as they attempt to answer your question. It's hard to give meaningful answers to questions about isolated words and phrases that people take from various sources.