OPEN MINDS The Behavioral Health & Social Service Industry Analyst Industry News In January of 1990, TAO, Inc. of Philadelphia began offering TAO Disability Review, a disability evaluation service for psychiatric and substance abuse claims. All fees for TAO Disability Review services are assessed on an hourly basis. TAO’s disability evaluations are conducted by psychiatrists, using objective criteria for diagnosis, severity of illness, and level and extent of dysfunction. “These criteria were initially based on Social Security disability criteria and have been expanded and redefined by the staff of TAO . . .