Shawn H. Hamilton specializes in Internal Medicine and is located in Irvine. Choose a doctor that chooses Hoag. Call - (949) 651-9671 ... 4902 Irvine Ctr Dr Ste 105 Irvine, CA 92604 Directions Contact. Primary Office (949) 651-9671 ... Patients & Visitors. Infection Prevention; Health Insurance; Patient & Visitor Info; About Hoag..