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Missouri surgeon and Kansas device distributor sentenced in SpineFrontier kickback scheme

Jason Montone, a surgeon, and John Balzer, his distributor, both received supervised release and were ordered to forfeit a combined $1.3 million tied to sham consulting fees and commissions, federal prosecutors in Boston said.

BOSTON — A Missouri surgeon and a Kansas medical device distributor have been sentenced for conspiring to pay and receive kickbacks meant to steer spinal surgeries toward implants sold by SpineFrontier Inc., and for obstructing the federal investigation into the scheme, the U.S. attorney's office in Massachusetts said Thursday.

Jason Montone, 50, an osteopathic physician from Lawson, Mo., was sentenced by U.S. District Judge Indira Talwani to one year of supervised release and ordered to forfeit $379,000, the amount prosecutors said he received in sham consulting fees from SpineFrontier. He pleaded guilty in October 2020 to conspiracy to violate the federal anti-kickback law and obstruction.

His SpineFrontier distributor, John Balzer, 48, of Lenexa, Kan., was sentenced by Talwani in August to one year of supervised release and ordered to forfeit $947,500 in commissions prosecutors described as kickback-tainted. Balzer pleaded guilty in September 2020 to conspiracy to violate the anti-kickback law and witness tampering. Both men cooperated with the investigation, prosecutors said.

According to charging documents, from late 2012 to October 2015 SpineFrontier paid Montone $500 to $750 an hour under a consulting program that was supposedly meant to gather technical feedback from surgeons but was used to reward him for using the company's products. Prosecutors said the company tracked his sales volume to set his pay, regardless of how much consulting he did, and that Montone and Balzer claimed he had spent hundreds of hours on work he largely did not perform.

The company agreed to pay Montone 10% of the revenue from his surgeries using its products and to pay Balzer a 25% commission, prosecutors said. Balzer received more than $1.2 million in commissions over the course of the conspiracy.

SpineFrontier's chief executive, Kingsley Chin, pleaded guilty in May 2025 to making false statements to the Centers for Medicare & Medicaid Services and was sentenced to one year of supervised release, the first six months in home confinement. Chief financial officer Aditya Humad pleaded guilty in May to conspiracy to violate the anti-kickback law and was sentenced in August to four months in prison.

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