What is the designation given to an individual who successfully completes the national certification examination?
Occupational therapist, registered OTR
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the designation given to an individual who successfully completes the national certification examination?

### Input: Not applicable

### Response:
Occupational therapist, registered OTR<|im_end|>