Map for Cornerstone Autism Center Search | Advanced Search | New Members | Coupons and Discounts | All Categories Health Care >> Autism Services / Developmental Disabilities Cornerstone Autism Center 380 Polk StreetGreenwood, IN 46143 | directions Ms. Debbie Ide (317) 888-1557 | fax: (317) 888-1571 Visit Site If your business isn't here, contact us today to get listed!