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ResidencyCAS Resources

Welcome to ResidencyCAS! 

The Residency Centralized Application Service (ResidencyCAS) is one comprehensive platform with fully integrated components:

  • Applicant Portal
  • Program Portal
  • Review Portal
  • Interview Portal
  • Medical School Portal
  • Liaison Letters (Evaluator Portal)

This page is your one-stop resource to help get you up to speed on ResidencyCAS. Think of this page as the foundation for your success with ResidencyCAS – it's designed to be a "jumping off point" to get you to the resources you need.

Frequently Asked Questions

The American College of Obstetricians and Gynecologists (ACOG) and the Association of Professors of Gynecology and Obstetrics (APGO) maintain updated lists of frequently asked questions for your review. Additionally, note the following: 

  • Signaling for the OBGYN specialty is available only in ResidencyCAS. 
  • There is no change to how applicants or programs interact with the NRMP Match system, including Couples Match. 
  • Dual Applicants will apply to both:
    • ResidencyCAS for OBGYN.
    • ERAS for all other specialties.
  • Unmatched candidates for the OBGYN specialty will use ResidencyCAS for SOAP, while unmatched candidates for other specialties will use ERAs for SOAP.


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