
ExclusiveUndercover Investigator Recounts Dr. Lisa Tseng Case
Jesus G., an undercover investigator at the Medical Board of California, recounts the case of Dr. Hsiu-Ying “Lisa” Tseng, a Southern California doctor who ran her clinic "essentially like a pill mill." This raised a red flag for investigators because Dr. Tseng was an osteopathic doctor — not a pain management specialist — whose focus was on holistic healing.
Season 2 Episode 5 - Videos

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Why Was Dr. Lisa Tseng Prescribing Opioids?

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Going Undercover At Dr. Lisa Tseng's Clinc

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Who Was Matthew Stavron?

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Investigating Southern California's Prescription Drug Epidemic

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Retired DEA Agent Discusses Effects Of OxyContin

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Undercover Investigator Recounts Dr. Lisa Tseng Case