A Seattle anesthesiologist who allegedly sent sexually explicit texts dozens of times a day while he was supervising C-sections and other surgeries has had his medical license suspended immediately. Washington state health authorities said Monday that Dr. Arthur K. Zilberstein, 47, compromised patient safety because of a "preoccupation with sexual matters" while on duty between at least April 2013 and August 2013.

Read MoreMost expensive medical condition to treat is... Charges filed with the state Medical Quality Assurance Commission allege that on one day alone, June 17, 2013, Zilberstein sent 64 texts during seven surgeries, many of which had sexual innuendos. Many of the texts were apparently sent minutes apart, including one that read: "I'm hella busy with C sections."

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"Respondent's lack of focus on patient care while providing anesthesia services for hospital-based surgical procedures routinely fell below the standard of care and put patients at unreasonable risk of harm," the statement said. More from NBC News:

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Alone at the border: Migrant children pack shelters In addition, Zilberstein allegedly accessed medical images improperly for sexual gratification and had sexual encounters at his workplace, the charges state. He's also accused of issuing at least 29 unauthorized prescriptions for controlled substances and other drugs. The charges also allege that Zilberstein had sexual relations with a patient and prescribed unauthorized narcotics to her. Read More5 things Obamacare won't cover Zilberstein also demonstrated "moral turpitude" that reflected badly on the medical profession by sending color "selfies" to that patient "depicting himself in hospital scrubs, wearing his hospital badge and exposing his genitals," the charges said.