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Social Security Benefits: Medical Examinations

Question for Department for Work and Pensions

UIN 1765, tabled on 9 January 2020

To ask the Secretary of State for Work and Pensions, how many complaints her Department has received in relation to (a) ATOS and (b) Maximus health assessments in the last 12 months.

Answered on

17 January 2020

Any complaint received by the department relating solely to the service provided by the Assessment Provider is passed to them to action. Providers have their own complaints process to deal with dissatisfaction about the service they provide.

Information on the total number of complaints received by Independent Assessment Service (IAS), formally ATOS and Centre for Health and Disability Assessments (CHDA), which is a MAXIMUS company, for the period January 2019 to December 2019 are shown in the table below.

Assessment Provider

Total number of complaints received

Complaints as a percentage of assessments

IAS (prev ATOS)






* All data collated from provider MI, all numbers rounded to the nearest 10