Dr$.$ Pearson has recently been hired into the Central City Internal Medicine Group as its fifth physician. She has recently completed her residency and is eager to enter private practice. Dr$.$ Pearson is introduced to Meredith and Dawn, two members of the billing staff for the practice. Unbeknownst to Dr$.$ Pearson, Meredith financially assists the practice in several ways. She bills procedures by using individual codes instead of comprehensive codes, she has decided to bill Dr$.$ Pearson$$s services under the Medicare number of Dr$.$ Craig $($another Central City physician$)$ until Dr$.$ Pearson$$s credentialing process has been completed, and habitually submits a claim more than once if she isn$$t sure whether it has already been submitted.

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Name the law that addresses the types of fraudulent billing that Meredith is conducting, and how she is violating it$.$