The teen is said to be transient, and was last seen in Ottawa late in November.

UPDATE: Ottawa Police report that Philipp Derek Drake Doctor has been located safely.

The Ottawa Police Service needs the public's help to find Philipp Derek Drake Doctor, 19, from St. Catharines.

Officials say his family is concerned for his safety.

Drake Doctor is described as:

- White

- Self-identifies as Native-Iroquois

- 5' 5'' (165 cm)

- 100 lbs (45 kg)

- Goes by the name Derek

- brown medium-length hair

- blue eyes

- acne complexion

Police say Drake Doctor is transient, and was last seen in Ottawa late in November. There is no known clothing description.

Anyone with information regarding the whereabouts of the teen is asked to call the Ottawa Police at 613-236-1222.

If you have information that could assist investigators, but do not know where he is currently, please contact the Missing Persons Unit at 613-236-1222, extension 2355, between 8:00 a.m. and 4:00 p.m., daily.

Anonymous tips can be submitted by calling Crime Stoppers toll-free at 1-800-222-8477 (TIPS), or by downloading the Ottawa Police app.