What are you long term career goals? Fellowship? Research? Knowledge? I know a couple people who were NPs and then went to medical school. Neither regretted it, but they said they were unprepared for how difficult the training was. Med school is a long, expensive process, and you'll be doing a lot of basic science at first. The clinical years will have some peds (which you'll likely be at home with), but you'll also rotate through surgery and adult medicine. It's great education, but can be tedious if you've had years of working with just kids. Keep in mind the cost to your personal and family life too if that applies to you. It really does take a toll.
I would either do general pediatrics, adolescent medicine, or neonatology. I do enjoy clinical research. What you mention are exactly my worries. I know that I will have to work with adults, which I hate (I mean, really...)
I have only been out of school for about a year, and I am about to turn 24. I know that I won't get to med school until I'm 25 or 26, and I feel like that makes me old. I'm just scared. I don't want kids at this point, but what if by the time I'm 30 I start to want kids? Would I have kids during residency? I feel like a lot of people do that, but I also feel like that would probably suck.
I would also have to borrow the money to pay for medical school. That would make approximately $200,000 plus $100,000 in nursing school loans. Those are big numbers. Will I be paying for that for the rest of my life?
I feel dumb for thinking of going through all that to be in primary care pediatrics. Is it worth it? I feel like my salary won't change that much, I'll just have a lot more responsibility and less perks. And yet I cannot get the idea out of my head. I'm trying really hard to figure out why I want to go to medical school, why I have the drive to do it, and I could really come up with a million reasons why I shouldn't. I just can't get it out of my head. I can't be happy as a nurse. I never wanted to be a nurse, I don't have the nurse personality, I don't like being so embarrassed of my work. I am ashamed when my colleagues introduce themselves to patients as "Dr. X" but they are DNPs, not physicians, not pediatricians. Is there a role for NPs in medicine? Probably. Should NPs control primary care and replace physicians? I sure as hell hope not.
Sorry for the rambling... These are just my thoughts, and why I'm struggling so much with it.