Define 'quickly'.
If you want to be a NP, you are going to have to have a BSN at first which is about 4 years, give or take. Depends on whether you get a associate's degree in nursing first, or if you go straight for your BSN. Either way you're looking at about 3-4 years. All the MSN programs I know of (which you will need for your NP certificate) require a years' nursing experience before entry into their program.
The MSN programs (depending on what type of NP you want to be) run around 2-3 years depending on if you go part-time or full-time. So you're looking at several years before you can
start the MSN program.
Not to discourage you, as NP is definitely a worthy goal to have. Just want you to have a realistic picture that it's not something you can obtain quickly.
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