The below listing of assessment services is intended to help you locate a diagnostic assessment in your area. It is not an exhaustive list of testing and assessment services. We strive to maintain the accuracy of the information provided and will update this page as soon as we are made aware of any updates. For information on OPWDD eligibility and services, please contact the local OPWDD Front Door office, which is the way OPWDD connects individuals to the services they need and want. Please call (866) 946-9733 to be directed to the local Front Door in your area. For more information on the Front Door, visit our Front Door page. Please note that some providers may deliver services outside of the region they are listed under. Please contact your region’s OPWDD Eligibility Coordinator to see if there may be out-of-region providers that may be able to assist you.