Most doctors, most practitioners in any field, never get higher on their skill tree than journeyman, that is correct. See e.g. the Oxford Handbook of Expertise for more on this.
Some doctors are experts. Those are the doctors other doctors come to for advice in tough cases, or the ones that are consistently helpful in grand rounds.
Some doctors are experts. Those are the doctors other doctors come to for advice in tough cases, or the ones that are consistently helpful in grand rounds.