It is illegal in most states to discriminate against an EE for filing a claim for WC benefits, or even letting it be known that you intend to file the claim.
There are also federal laws that deal with discrimination in the workplace. You may have a claim under the ADA or FEHA rules/laws. You should at the very least, speak with an attorney who deals with this issue. Consultations are usually at no cost to you.
Other than those options, go back to your PTP and tell him/her that your ER is not making 'reasonable accomodation' to your restrictions. In many cases you could be returned to TTD status until your ER can make the necessary changes to accomodate/modify your job duties.
Based on the size of your company, there is usually someone above the people you report directly to...there is a point where you will get satisfaction with your concerns...you just have to take the steps.
IF you do opt to go higher with your concerns...DO NOT present with an attitude of being 'picked on'...go in with facts in hand, be ready to point out the restrictions placed on you by your doctor, and describe how you think 'reasonable accomodation' can be achieved until those restrictions can be lifted (if it's possible). Don't talk about how someone has shown you 'attitulde' or is 'ignoring' you, and do not 'whine'....rise above the others.
In many states the laws require that when you return to work, while your former job doesn't have to be held for you, it also provides that you cannot be demoted to a job that pays less than 85% of your previous wage.
There is nothing 'fair' in WC...just negotiation. All these folks who are mistreating you now, have not taken the opportunity to think about how they would fare if they themselves were injured.
Here is a site where you can read about federal laws...just follow the links.
http://www.dol.gov/elaws/
Here is a site that explains many of the concerns common to many IW's and their return to work issues.
http://www.eeoc.gov/policy/docs/workcomp.html
DISABILITY
QUESTIONS AND EXAMINATIONS
CONFIDENTIALITY OF MEDICAL INFORMATION
HIRING DECISIONS
RETURN TO WORK DECISIONS
REASONABLE ACCOMMODATION
LIGHT DUTY
EXCLUSIVE REMEDY PROVISIONS
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