Permanent Disability Evaluations

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Tim Null Rating Services











Tim Null Rating Services is your one source

for all your Permanent Disability Evaluation needs. In addition to our popular AMA Rating classes, we are pleased to offer private ratings,

Pre-1997, old schedule and AMA.








Tim Null has been rating for over 15 years.

He was a member of the Schedule Revision Committee and  Co-Author of the NEW Permanent Disability Schedule. He is known throughout the state as an expert rating specialist.



Until 2005 he was a Board rater at the

WCAB Van Nuys and before that was at

the WCAB Santa Monica.




In 2005, Tim Null opened his doors as a

private rater with a vision to deliver accurate permanent disability ratings for the entire

Workers’ Compensation Community, with a

swift turnaround.