Provider columns indicate which type(s) of medical providers participated in the medical encounter. We have omitted these variables:

prov_cols = [
    'NOPROVID','ATTPHYS','RESINT','CONSULT','RNLPN',
    'NURSEPR','PHYSASST','EMT','MHPROV','OTHPROV'
]

X_train.drop(prov_cols, axis=1, inplace=True)
X_test.drop(prov_cols, axis=1, inplace=True)