The indictment was announced on June 23 as part of the U.S. Department of Justice’s 2026 National Health Care Fraud Takedown, a nationwide enforcement operation that resulted in charges against 455 defendants accused of participating in healthcare fraud and opioid-related schemes involving more than $6.5 billion in false claims.
Muyumbu, 38, faces charges of conspiracy to commit healthcare fraud and wire fraud, healthcare fraud, conspiracy to launder money, and money laundering.
According to the U.S. Attorney’s Office for the District of Arizona, Muyumbu owned and operated Motherland Counseling LLC, an outpatient treatment center in Phoenix that provided addiction treatment services to individuals struggling with alcohol and drug dependency.
Prosecutors allege that Muyumbu enrolled the company as a provider with the Arizona Health Care Cost Containment System (AHCCCS), Arizona’s Medicaid agency, and targeted patients enrolled in the American Indian Health Program, a fee-for-service healthcare program serving Native American beneficiaries.
The indictment alleges that between the operation of the business and the submission of claims, Muyumbu and his co-conspirators exploited vulnerable patients by billing AHCCCS for services that were never provided, improperly billed, medically unnecessary, or so substandard that they failed to serve any legitimate treatment purpose.
Federal authorities claim that approximately $44.9 million in false and fraudulent claims were submitted to AHCCCS, which subsequently paid out about $36.7 million based on those claims.
The Justice Department further alleges that some of the claims were linked to illegal kickbacks and bribes and that patients were used primarily to generate Medicaid reimbursements rather than receive meaningful treatment.
Investigators also accuse Muyumbu of laundering proceeds from the alleged scheme through the purchase of real estate in the greater Phoenix area. Authorities said they have seized approximately $104,463 believed to be proceeds of the alleged fraud.
The case is among four major Arizona prosecutions announced as part of the national crackdown. Other defendants include medical biller Susie Kamien, sales representative Sandra Peters, and pharmaceutical executive Brian Rowan, whose separate cases involve alleged healthcare fraud schemes ranging from tens of millions to more than $1 billion.
Announcing the charges, U.S. Attorney Timothy Courchaine said the scale of fraud uncovered nationwide should concern American taxpayers.
“The billions of dollars of fraud highlighted in today’s announcement should shock and anger every American,” Courchaine said. “We must protect our valuable federal health care programs from exploitation by criminals.”
The nationwide operation involved federal and state law enforcement agencies across 56 federal districts and 45 states and territories. Authorities reported the seizure of more than $182 million in cash, luxury vehicles, jewelry, and other assets connected to healthcare fraud investigations.
Muyumbu is said to have entered the United States through refugee resettlement after spending time at Nyabiheke Refugee Camp in Rwanda’s Eastern Province, which for many years hosted refugees who had fled conflict in eastern Democratic Republic of Congo.
Court documents indicate that after settling in Arizona, Muyumbu established Motherland Counseling LLC and expanded its operations in the Phoenix area. Prosecutors now allege that the business became central to one of the largest individual Medicaid fraud cases announced in Arizona during this year’s national healthcare fraud enforcement action.
Muyumbu is also known within Rwanda’s entertainment circles and among members of the Rwandan diaspora in the United States. He gained wider public recognition after serving as the best man at singer The Ben’s wedding and has on various occasions been seen supporting Rwandan artists, including Kevin Kade. His visibility within entertainment and diaspora communities made him a familiar figure to many Rwandans long before the allegations announced by U.S. prosecutors this week.
Muyumbu’s case is being prosecuted by attorneys from the Justice Department’s National Rapid Response Strike Force and the U.S. Attorney’s Office for the District of Arizona.
Federal authorities emphasized that an indictment is merely an allegation and that Muyumbu, like all defendants charged in the operation, is presumed innocent unless and until proven guilty in a court of law. No trial date has been announced.
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