LOS ANGELES (AP) — Los Angeles County authorities have arrested a doctor they say wrote prescriptions for painkillers and other drugs to an undercover agent who showed him an X-ray of a dog.

The district attorney’s office says Dr. Richard Seongjun Kim of Rancho Palos Verdes was taken into custody Wednesday. He could face 21 counts of illegally prescribing drugs with no legitimate medical need to undercover Drug Enforcement Administration agents.

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The 42-year-old Kim allegedly wrote prescriptions for Norco, Xanax, Soma and Adderall without performing physical exams, taking vital signs or filling out medical charts.

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Prosecutors say Kim requested patients bring prior medical charts and X-rays to his one-man clinic. On one occasion, an agent was prescribed drugs after bringing a chest X-ray of a dog.

Calls to Kim’s clinic on Wednesday were not returned.

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