He directed 11 episodes of the series, more than any other individual.

He directed 15 episodes of the show from 1966 to 1967.

Later in 2000 he directed two episodes of Level 9.

He also wrote and directed several episodes of the series.

He also directed episodes of the series during its run.

As of December 2008, he had directed 8 different episodes in the series, with more on the way.

He has directed multiple other episodes of the series throughout its run.

Since then, he has directed more than fifty episodes of various series.

He directed four episodes of the series from seasons two through five.

After leaving Doctors, he returned to direct and write several episodes.