A South Texas doctor already in hot water for health care fraud and money laundering is also accused of administering chemotherapy and other toxic medications to patients who did not need it.

Dr. Jorge Zamora-Quezada, 61, was charged in a $240 million health care fraud and international money laundering scheme. He has also been accused of falsely diagnosing patients with degenerative diseases, including rheumatoid arthritis. An indictment also alleges the physician and his co-conspirators administered chemotherapy and other toxic medications to patients who did not require it.

John Cronan, an assistant attorney general for the U.S. Justice Department’s Criminal Division, alleged Zamora Quezada orchestrated the fraud scheme and put the health of children, elderly and disabled patients in jeopardy.

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The indictment says the excessive medical procedures were allegedly used to fund Zamora-Quezada's lavish lifestyle, including a million-dollar private jet and Maserati both emblazoned with his initials.

Raymond Orta, 32 and Belinda Garcia, 33, two of Zamora-Quezada’s former patients said the doctor misdiagnosed them.

"I was only 26, 27 years old being diagnosed with an autoimmune disorder,” Orta told Valley Central. “I was really scared for my life."

"When I went to go see him, he diagnosed me with rheumatoid arthritis and then he gave me some heavy chemo-level drugs that almost killed me," he said.

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"I remember the treatments that he would give me," Garcia said. "One was always steroid shots and those hurt. I mean literally, physically, hurt my body. And two, I didn't feel like they did anything for my way of life."

The doctor is slated to appear in court later this month. The FBI has asked potential victims of the doctor to contact their office.

The Associated Press contributed to this report.

A renowned 104-year-old Australian scientist died Thursday ending his life in a medically assisted suicide at a Swiss clinic.

David Goodall, who is not terminally ill, happily sang a few bars of Beethoven's Ninth Symphony at a news conference Wednesday on the eve of his assisted suicide in Basel. He told reporters that he was “happy to have the chance tomorrow to end it."

"At my age, and even at rather less than my age, one wants to be free to choose the death and when the death is the appropriate time,” Goodall said. “My abilities have been declining over the past year or two, and my eyesight for the past five or six years, and I no longer want to continue life."

Goodall, who wore a shirt that read “Ageing Disgracefully,” said he has considered using lethal injection, but that he’ll defer to doctors on the method.

Euthanasia is currently banned in Australia where the scientist lived, which prompted the scientist’s trek to Switzerland last week.

Swiss law currently allows assisted suicide for anyone who acknowledges in writing that they are taking their lives willingly — without being forced. The decades-old legislation that authorized the practice states that people who help others to die cannot do so for "selfish" reasons.

The state of Victoria in Australia recently passed a euthanasia bill, the Washington Post reported. In 2019, it will be legal for terminally ill patients to undergo the procedure. Six states in the U.S., including California, Vermont and Oregon have passed death-with dignity laws for terminally ill people.

Goodall said Wednesday that he hopes to be remembered “as an instrument of freeing the elderly” so others could choose death with dignity without traveling to Switzerland.

The centenarian has already bid goodbye to family members in Australia and France. Other relatives were expected to be by his side during his final moments on Thursday.

"I am glad to have the chance [to die] but would have preferred to have had it in Australia," he said.

The botanist ruled out a return to his beloved Australian countryside, though he wished to return to the Northwestern Kimberley region, his favorite area, the Australian Broadcasting Corp. reported.

“There are many things I would like to do, I suppose, but it’s too late. I am content to leave them undone.”

Four family members and a close friend traveled with Goodall to be at his side when he died. 

Fox News’ Kathleen Joyce and the Associated Press contributed to this report.

A renowned 104-year-old Australian scientist who traveled to Switzerland last week plans to end his life on Thursday in a medically assisted suicide—possibly by lethal injection.

David Goodall, who is not terminally ill, happily sang a few bars of Beethoven's Ninth Symphony at a news conference Wednesday on the eve of his assisted suicide in Basel. He told reporters that he was “happy to have the chance tomorrow to end it."

"At my age, and even at rather less than my age, one wants to be free to choose the death and when the death is the appropriate time,” Goodall said. “My abilities have been declining over the past year or two, and my eyesight for the past five or six years, and I no longer want to continue life."

Goodall, who wore a shirt that read “Ageing Disgracefully,” said he has considered using lethal injection, but that he’ll defer to doctors on the method.

Euthanasia is currently banned in Australia, which prompted the scientist’s trek to Switzerland last week.

Swiss law currently allows assisted suicide for anyone who acknowledges in writing that they are taking their lives willingly — without being forced. The decades-old legislation that authorized the practice states that people who help others to die cannot do so for "selfish" reasons.

The state of Victoria in Australia recently passed a euthanasia bill, the Washington Post reported. In 2019, it will be legal for terminally ill patients to undergo the procedure. Six states in the U.S., including California, Vermont and Oregon have passed death-with dignity laws for terminally ill people.

Goodall said Wednesday that he hopes to be remembered “as an instrument of freeing the elderly” so others could choose death with dignity without traveling to Switzerland.

The centenarian has already bid goodbye to family members in Australia and France. Other relatives were expected to be by his side during his final moments on Thursday.

"I am glad to have the chance [to die] but would have preferred to have had it in Australia," he said.

The botanist ruled out a return to his beloved Australian countryside, though he wished to return to the Northwestern Kimberley region, his favorite area, the Australian Broadcasting Corp. reported.

“There are many things I would like to do, I suppose, but it’s too late. I am content to leave them undone.”

The Associated Press contributed to this report.