About Us


iSTOP is a non-profit charitable organization, we appreciate all the support since 1994!
Find out more about us through links below or pop down tabs at top of each page.



Legacy Website

Many pain clinics and institutions provide backlinks to the iSTOP.org legacy website as a resource reference. 

Although the iSTOP legacy site is not being updated for content, it is being maintained for posterity.

We welcome you to navigate back to the previous version of our website.

For more information please to go back to the legacy website.




Supported by crowd funding, group giving, volunteers, memberships, and gift donations.

Thank you for your ongoing support!


Charitable Giving



Our gratitude goes out to all iSTOP members and donors for making this directory possible. 

Thank you for making GunnIMS resources available to the public, for patients, practitioners, researchers and enthusiasts alike.

Gunn IMS "points" the way!


2017 © The Institute for the Study and Treatment of Pain
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