Attorney Fee Payment System Improvement Act of 2001

Attorney Fee Payment System Improvement Act of 2001 - Amends title II (Old Age, Survivors and Disability Insurance) (OASDI) of the Social Security Act (SSA) to: (1) increase from $4,000 to $5,200 the maximum allowable attorney fee; and (2) cap the amount of attorney assessments at $100.

Amends SSA title XVI (Supplemental Security Income) to prescribe a fee payment system for attorneys representing individuals filing claims for past-due benefits in the SSI program. Caps attorney fees at 25 percent of such past-due benefits. Requires the Commissioner of Social Security to assess such an attorney up to $100.