Mercy Care Plan

Our Provider Relations department serves as a liaison between Mercy Care Plan and the provider community. Provider Relations is responsible for training, maintaining and strengthening the provider network in accordance with regulations.

If you need to check on the status of a claim, please use our secure web portal, MercyOneSource.   You may access MercyOneSource by clicking on the link in the top upper right hand corner of this web page under Find A Provider. You must be registered under MercyOneSource to access it. In order to register, please fill out our MercyOneSource Registration Form under the Forms section of our website. Please fax to the below number to start the process.  

If you have questions regarding a processed claim, either paid or denied, please feel free to contact our Customer Service department at 602-263-3000 or 800-624-3879, Express Service Code 626. Non-participating providers should contact our Customer Service department for all issues, in addition to claims issues.

You can fax directly to Provider Relations at 860-975-3201 the following information:

  • Notifying the plan of changes to your practice
  • Tax ID changes
  • Recent practice or provider updates
  • Termination from practice
  • MercyOneSource Registration Form

 Please feel free to contact our Provider Relations department for the following:

  • Questions regarding the MercyOneSource Registration Form or to check on enrollment status
  • Credentialing requirements
  • Provider Education

You can reach our Provider Relations department by calling 602-263-3000 or 1-800-624-3879, Express Service Code 631.

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Links to various Mercy Care and non-Mercy Care sites are provided for your convenience. Mercy Care and is not responsible or liable for non-Mercy Care content, accuracy, or privacy practices of linked sites, or for products or services described on these sites.


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