One of the state’s top prescribers of medical marijuana has been suspended, 5 Investigates has learned.

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The Board of Registration in Medicine took the action at its meeting on Thursday.

Dr. Tyrone Cushing, who works with Canna Med, has been temporarily suspended pending further investigation.

Documents obtained by 5 Investigates show that Cushing is accused of issuing a medical marijuana certificate to a patient who was seven months’ pregnant.

The state said he never discussed with the patient the associated risks of marijuana use while pregnant or nursing or that she had previously been treated for an opioid addiction.

The state also says Crushing prescribed himself clonazepam, an anti-anxiety drug.

State officials said Cushing worked only two days a week, but was the third biggest provider of medical marijuana certificates in Massachusetts.

He could not be reached for comment.

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