Welcome to the Grand River Medical Associates patient portal to acces your health information and payments. Skip to content. Main Menu. Home; ... Contact Us; Aesthetics; Patient Portal. Patient Portal; Patient Portal Office Information. 55840 Grand River Ave. Ste 300 New Hudson, MI 48165 Phone: 248-264-6169 Fax: 248-264-6208. Hours. Mon 9:00am ....