Tax Information: The Foundation of the Pennsylvania Medical Society is registered as a 501(c)(3) non-profit organization. Contributions to the Foundation of the Pennsylvania Medical Society are tax-deductible to the extent permitted by law. The Foundation’s tax identification number is 37-1732501. The official registration and financial information of the Foundation of the Pennsylvania Medical Society may be obtained from the Pennsylvania Department of State by calling the toll-free number within Pennsylvania, 1-800-732-0999. Registration does not imply endorsement.