Board Certifications & LicensesAmerican Board of Internal Medicine (Certification Date: 1980-09-09)American Board of Internal Medicine (Rheumatology) (Certification Date: 1986-11-11) SpecialtiesInternal MedicineRheumatology Contact Information Medical Sciences Building Office 513-558-4701 Email greenbdd@ucmail.uc.edu Clinical Interests Rheumatoid Vasculitis