There is no available information on a US nonprofit organization named "Pile of Smile" with the EIN 471595954. The provided web link suggests a Shopify site, which does not indicate the organization's nonprofit status or its activities. If the organization is not well-documented or does not exist as a registered nonprofit, it cannot be written about in a Wikipedia-style article.

[1] https://smileforalifetime.org [2] https://makeemsmilefoundation.com [3] https://www.allianceforsmiles.org [4] https://charity.org/give-global-blog/from-smiles-to-social-good-why-operation-smile-is-the-perfect-csr-partner/ [5] https://www.magicalmomentsfoundation.org/piles-for-smiles/