Contact Us

Corporate Mailing Address

4938 Hampden Lane, Suite 800

Bethesda, MD 20814

Corporate Office

6701 Democracy Blvd, Suite 300

Bethesda, Maryland 20817

(Please do not send mail to this address.)

Main Phone & Email


ICDL's Therapy Center

ICDL's Flagship International DIRFloortime® Therapy Center

5 Regent Street, Suite 508

Livingston, NJ 07039 USA


Media & Public Relations

Suggestions, Compliments, and/or Complaints

We welcome your suggestions and want to try to resolve any complaints you might have. We invite to discuss your suggestion or complaint with any available member of the ICDL faculty or staff ore email us at You can also always contact ICDL’s CEO, Jeff Guenzel at

Additional Information

Sample Invoice Template to Submit to ICDL

IRS Blank W-9 Form

Federal Tax ID No. 52-1724162