Offering a $3,000 sign-on bonus for this opportunity! Sign-On Bonus for External applicants or current CHW MA Apprentice Students only About the Practice Allergy & Immunology is an outpatient specialty department located at 3271 Clear Vista Ct. Grand Rapids, MI 49525. This is our primary location where we see a mix of adult and pediatric patients Monday through Friday, 7am - 5pm. Most pediatric patients are seen at the 35 Michigan HDVCH Allergy office.