The official said the investigation was not a routine matter but rather a significant inquiry into possible fraud by company officials.
The committees have been looking into fraud and abuses in the $65 billion program.
The case stems from the investigation into procurement fraud.
From 1956 until the 1970's, the building was a nursing home, until investigations into poor conditions and fraud led to its closing.
Investigations are mainly carried out into economic, fiscal and financial fraud.
Leaders of traditional groups here who blatantly cross over into fraud have been imprisoned.
He was ousted during an investigation into fraud in the department.
In January 1912, the company was the focus of a congressional investigation into fraud committed by insurance companies.
The state is conducting a parallel criminal investigation into drug use and fraud.
The institution is also on the Justice Department's list of 100 priority cases for investigation into possible fraud.