A 35-year-old Perth doctor accused of indecently assaulting a patient while he was treating her has appeared briefly in court.

It is alleged Nishanka Sanjeewa Kirumbara Liyanage assaulted a woman aged in her 20s at a Banksia Grove medical practice in March.

The Tuart Hill man appeared in the Joondalup Magistrates Court on Monday and will next face court on July 17.