A woman and her son were charged in connection to a federal fraud investigation

The United States Department of Justice/Facebook

PROVIDENCE, R.I. (WLNE) — A former office manager for a dermatologist’s office in Pawtucket and her son were charged in connection to a federal financial and health care fraud investigation.

U.S. Attorney Zachary Cunha said Tianna Keller, 66, is accused of using her managerial role her to commit acts of fraud to enrich herself, her son, and a friend.

Keller allegedly commit numerous schemes to steal nearly $500,000 from the practice, according to court documents.

Court documents further disclosed that Keller allegedly gave herself unauthorized salary increases, added family and a friend to the payroll and giving them unauthorized wages, and failed to deposit patient cash payments.

Keller is also accused of forging signatures to issue numerous checks to herself and others, using company cards to pay rent, her daughter’s tuition, and make various personal purchases, and collect temporary disability insurance payments.

Additionally, court documents say Keller authorized enrollment and payment for medical insurance coverage for her son, thirty-year-old Brandyn Coffman, and his family.

Blue Cross Blue Shield allegedly paid over $14,000 in claims submitted by the Coffman family.

Coffman is accused of making false statements to law enforcement, claiming he didn’t know of the coverage and that he “didn’t even think to use the plan.”

Keller was charged with:

  • Conspiracy to commit health care fraud
  • Health care fraud
  • Wire fraud
  • Aggravated identity theft

Coffman was charged with:

  • Conspiracy to commit health care fraud
  • Health care fraud
  • Making materially false statements to agents
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