AppointmentsCall the clinic to schedule an appointment with the right provider for your needs. If you prefer a specific provider from the list below, please let us know. Hematology/Oncology Providers Hooda, Barkat Barkat Hooda, MD Hematology/Oncology - Pediatric Markowitz, Avi Avi Markowitz, MD Medical Oncology*UTMB Health/MD Anderson Muthukumar, Akila Akila Muthukumar, MD Hematology/Oncology - Pediatric Willis, Maurice Maurice Willis, MD, FACP Hematology/Oncology Skip Menu Navigate: Select to Navigate... - Hematology/Oncology - Services - Meet the Team - Back to Cancer Care Hematology/Oncology Services Meet the Team Back to Cancer Care Access MyChart Find a Location