Step 1 : Introduction/Instruction Screen Now available: Electronically validate your organization's information! Registration requirements: - Information from two checks or EFT payments HSM/Magellan-issued Check or EFT Number HSM/Magellan-issued Check or EFT Date HSM/Magellan-issued Check or EFT Amount - Tax Identification Number If you are a WPS Provider – please call us at 800-432-3640 to register. I have this information, and want access to Magellan Healthcare's secured website today! If you do not have this information, please email hsminfo@magellanhealth.com for assistance.