Forget Your Password? 1500 E Sherman Blvd, Muskegon, MI 49444, USA. $8-10. left link Sign In. Osteopathic Manipulative Medicine Grand Rapids, Michigan (MI), Mercy Health Learn More Patient Portal Our online patient portals allow you to access your medical information 24 hours a day, seven days a week. Patient Information Mercy Health. Password. patient portal mercy ….