Is there an office policy on vax?
Is there an after hours nurses line?
Do they have a LC in house, or that they refer out to?
How do they support breastfeeding?
Do they have carseat techs or events?
Do they have flu shot clinics or do you have to make a regular appointment?
As far as sleep and solids, imo, unless you have health concerns, pediatricians are just not the ones to ask. They tend to have dated info and aren't experts in those areas