BOSTON (AP) — Twin sisters who once lived in Massachusetts have been charged with stealing more than $580,000 from federal, state and local agencies by allegedly providing unlicensed psychological services.

The Massachusetts attorney general’s office says neither Nita Guzman nor her sister, Nina Tischer, is licensed to practice psychology in the state.

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Prosecutors say the 49-year-old sisters, through their companies, billed Medicare, Medicaid, UMass Medical School and the Lawrence Public Schools for mental health services they were not authorized to provide.

Prosecutors say they often used stolen identities to conceal their fraud.

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The sisters used to live in Burlington, Massachusetts, but now live in Minnesota.

They are scheduled to be arraigned Tuesday.

It was not clear if they had lawyers and phone listings for the sisters and their businesses were not in service.

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