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Contact

Our Home

InSource Diagnostics is located in the heart of the "Gem City," Monrovia, CA. Our city is one of the oldest in the Los Angeles Area Basin, and is nestled against the beautiful San Gabriel mountains.


The Office

  • Address: 231 W. Chestnut Ave. Monrovia, CA, 91016
  • Phone: 626-386-5277
  • Fax: 888-677-7748
  • Email: infoInSourceDx.com