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Liaison

ResidencyCAS Customer Service

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General Information

For help with application-related questions, you can log in to your application and contact us using the chat icon in the lower right corner. You can also contact us by email at applicantsupport@residencycas.com or by phone at 617-612-2070. Note the following:

  • Hours of operation: Monday – Friday, 9 AM – 5 PM ET.
    • Starting Tuesday, October 29, hours of operation will be Monday – Friday, 9 AM – 8 PM ET.
  • For the quickest response, log in to your application and contact us by chat.
  • We typically provide responses to emails within two business days; however, response times can take up to three business days when we’re at our busiest.
  • Be sure to have your CAS ID number (located in the Applicant Menu in the lower-left corner of the application) when contacting ResidencyCAS.

For non-application related inquiries, please contact TransitionFeedback@apgo.org. 

A Note About Etiquette

ResidencyCAS expects all applicants to exhibit professionalism when contacting customer service. Applicants must identify themselves properly and honestly, as information cannot be provided to parents, spouses, family members, or friends. Misrepresentation of identity and/or dishonest, threatening, or offensive communication will not be tolerated.

 

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