Welcome @kristi18, I'm guessing you are not taking any multi-vitamins or drinking energy drinks which may contain excess B6. This article suggests a few things you can do including drinking more water.

--- How to Lower B6: https://www.livestrong.com/article/522968-how-to-lower-b6/

Did you discuss the B6 levels with your doctor as a possible cause of your peripheral neuropathy?