Meet your Parris and Associates Rheumatology team. Glenn R. Parris, M.D. Board Certified in Rheumatology Madhurika Samakur, D.O. Board Certified in Internal Medicine & Rheumatology Jennifer Young, PA-C Physician Assistant Yasmilka Sarmiento, PA-C Physician Assistant Jennifer Black Nurse Practitioner Byung (Peter) Ban, D.O. Board Certified in Rheumatology and Internal Medicine Alexia Covington, NP Nurse Practitioner Zohair Ahmed, D.O.