Not really; level up decisions aren't decided until the session after the level gain; with a +5 Level Adjustment, Jason hit 9th when most everyone else hit 14th, and so picked up a feat ... started with Improved Initiative, but hasn't really been having a problem with that, so set it for Spell Penetration, instead.
However, if you have Limited Wish or Wish, and are willing to pay the XP, you can duplicate a
Psychic Reformation on yourself and reassign your feats that way (of course, that costs XP....). It won't replace the spells in your spellbook, nor the items you've purchased (it alters your mind, not your possessions), but changing your feat and skill selection is within it's purview, as is changing a Sorceror's spells known list. Careful though; it costs XP; on yourself, the 300 xp for limited wish will permit you to re-choose 6 levels worth (300/50=6); on another, that would be 12 (but both would pay 300 xp; (300+300)/50=12); more than that, and you need more XP - re-choosing 14 levels worth of stuff would cost 700 xp, all told, by that means.
Doesn't work on Jason, though, as it's a mind-affecting effect.
Edit: fixed link - hopefully....