GR Therapy Group, Cascade 500 Cascade West Pkwy SE, Suite 240Grand Rapids, MI 49546(616) 591-9000 phone(616) 591-9060 fax GR Therapy Group, Holland 238 Hoover Blvd, Suite 10Holland, MI 49423(616) 591-9000 phone(616) 591-9060 fax Client Portal Send a Message Your Name (required) Your Email (required) Your Phone Your Message Sign me up for the newsletter! Please leave this field empty. Δ