illinois Developmental 
Therapy Association

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Advancing the Excellence, Education and Ethical Standards of the Developmental Therapist


Join the IDTA Today and Begin Receiving all the Great 

Benefits of Membership! 

Become part of the community of 

Developmental Therapists dedicated to providing 

the highest quality services children with differing 

needs and their families.


Eligibility: Those eligible for full membership status must have a current active/full Developmental Therapy (DT) Credential. Previous student membership in the IDTA is neither a necessity nor a sufficient condition or qualification for full DT membership the IDTA. Those who have previously have held a student membership and have completed an approved education program and are currently credentialed as a DT must upgrade their IDTA membership from a student membership to full membership at the time of credentialing. Proof of credentialing may be required and verified of all applicants prior to receiving full membership in the IDTA.

Dues: $135 per year  $175 for 2 years 



Eligibility: Those eligible for student membership status must be enrolled in an approved collegiate program that will upon completion provide the student member with  the appropriate degree to become credentialed as a Developmental Therapist. Those applying for for student membership must provide proof of enrollment in said collegiate program in the form of a current curriculum and/or a letter from a professor indicating the type of program  the student is enrolled in along with  when potential completion/graduation of said program will be.Upon receipt and review of the required documentation, student membership will be finalized and approved. Upon completion of and approved educational program and obtaining a credential as a DT the student must upgrade from a student membership to a full membership at the time of credentialing,

Dues $25 a year  



Eligibility: Those eligible for affiliate membership status do not have a current active Developmental Therapy credential. The affiliate member may have held a DT credential at one time and is no longer actively practicing or may have since retired. The affiliate member receives all of the membership benefits of full members, although does not have voting rights.

Dues: $50 a year


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Office: (888) 610-6604

3712 N  Broadway #415
Chicago, IL 60613

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