When you log in to DOCLINE, the method you use determines the entity that verifies or authenticates your identity. There are several options displayed to users on the NIH Sign In portal* after you click the Log in to DOCLINE button ( 

NOTE: After the first successful sign in, users cannot change to a different verification method.

Supported methods
If a method is supported, NLM tests it with releases and provides help on its use.

  • Google: log in with your own Google account and password or your own Gmail account and password (email address) that matches established DOCLINE username. This is the most used method.  See NLM’s Google Best Practices for more information.
  • Research Organization: log in with your own university or other workplace network credentials (email address) that matches established DOCLINE username. Institution must be an NIH federated research partner and belong to to be listed.
  • is listed as a Research Organization option on the NIH Sign In portal. See’s Help for more information.
  • Federal Libraries: login with your CAC or PIV card that matches established DOCLINE username. NIH staff have the option to use internal network credentials (username and password).

Unsupported methods
Unsupported methods may work but have not been tested, could have unpredictable results, and are not recommended. The unsupported options are Microsoft and PayPal.

*The National Institutes of Health account and identity management team maintains and supports the NIH Sign In portal.

ILLiad Links:
Docline Log-In Methods – Atlas Systems
DOCLINE Login Methods Before and After the 9.2 Update – Atlas Systems
Switching to a Non-Google Authentication Provider – Atlas Systems

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