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California Medical Provider Network (MPN) and Employee Information

September 17, 2010

California Medical Provider Network (MPN) and Employee Information

Dear Policyholder:

The Division of Workers Compensation in California  is amending its regulations regarding Medical Provider Networks (MPN) and employee information effective October 8, 2010.   As part of the amendment, employers and insurers are required to revise employee notices and workers compensation posters to comply with the new regulations. 

To assist you in complying with the new regulations, we are providing: (1) the complete MPN Employee Notification; (2) the MPN Employee Notification posting notice; (3) the new workers compensation posting notice (DWC-7); (4) the new workers compensation claim form (DWC-1); and (5) the new hire pamphlet link for ordering these materials.  

Here’s what you need to know:

  • If you are currently enrolled in an MPN, the MPN Employee Notification posting notice should be posted next to the new workers compensation posting notices in a conspicuous place for all employees.
  • A written copy of the complete MPN Employee Notification should be provided to all employees at the time of implementation and time of hire.  This notification can be provided electronically. 
  • The Updated Employee Poster (DWC-7) should be posted immediately and replace the existing posting notice in your workplace.
  • The Workers Compensation Claim Form (DWC-1) along with the Notice of Potential Eligibility should be made available to each employee at the time of injury.
  • The New Hire Pamphlet should be given to each new employee at the time of hire.

At Chubb, we believe that timely, early reporting of a claim is the best approach to containing your workers compensation costs and assuring your employees receive appropriate medical care.  Participation in the MPN will help support medical cost containment and facilitate prompt return to work. If you do not already participate in the MPN and are interested in participating, please notify Chubb prior to implementation so that you will be in compliance.

To find a medical center in the MPN follow these steps:

  • Go to "
  • Click "Find a Provider"
  • Select a Network "California MPN"
  • Enter your zip code
  • Under Specialty, select "Occupational Medical Center", then click "Find Providers"
  • This will provide you with a list of medical clinics in your area that are part of the MPN


Thank you for your cooperation.

Chubb Group of Insurance Companies
Warren, New Jersey 07059

Additional information:

Complete MPN Employee Notification
MPN Employee Notification Posting Notice
DWC-1 Claim  form
DWC-7 Posting Notice
New Hire Pamphlet  (Purchase)
Employee Fact Sheet

For more information about claim management services from Chubb, contact your insurance agent or broker, or write to