This undated handout photo provided by the Department of Health and Human Services shows Medicare deputy administrator Jonathan Blum. Medicare officials say competitive bidding for power wheelchairs, diabetic supplies and other personal medical equipment is clamping down on waste and fraud, saving $200 million last year. (AP Photo/HHS)

Associated Press
This undated handout photo provided by the Department of Health and Human Services shows Medicare deputy administrator Jonathan Blum. Medicare officials say competitive bidding for power wheelchairs, diabetic supplies and other personal medical equipment is clamping down on waste and fraud, saving $200 million last year. (AP Photo/HHS)
This undated handout photo provided by the Department of Health and Human Services shows Medicare deputy administrator Jonathan Blum. Medicare officials say competitive bidding for power wheelchairs, diabetic supplies and other personal medical equipment is clamping down on waste and fraud, saving $200 million last year. (AP Photo/HHS)
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