Yes, It should be Federal Centers for Medicaid.
You only capitalize it if it is part of a proper noun. The FBI is the Federal Bureau of Investigation.
No. It's not necessary.
Yes, you capitalize the word "Constitution," but the word "constitutional" would be lowercase.
do you capitalize the word protestant
It is capitalized at the beginning of the sentence or when it forms part of the proper noun. Example: Federal Reserve Board
It is not necessary to capitalize the word "yo".
No, you do not capitalize the word drama.
Yes, you must capitalize the first word, UNLESS it is a small word, such as "It" or "A" or "The".
Unless "it's" is the first word, there is no need to capitalize.
No, you do not capitalize the second word in the complimentary closing.
You would never capitalize a word because of the comma. Onlt capitalize it if it's a word that is always capitalized like France, I, Tuesday or Frederick.
Only capitalize 'spelling' if it is the first word in a sentence.