Dr. Ashley M. Twyman

William Lumry is an Internal Medicine provider in Dallas, Texas. Dr. Lumry is highly rated in 16 conditions, according to our data. His top areas of expertise are Hereditary Angioedema, Angioedema, Hives, and Primary Immunodeficiency (PID).

Dr. O'Shaughnessy is a Medical Oncologist that focuses on breast cancer prevention and treatment. She founded The School of Breast Oncology, a program providing a curriculum-based program focused exclusively on breast cancer clinical management. Dr. O'Shaughnessy attended medical school at Yale University School of Medicine in New Haven, CT. She then completed her Internal Medicine residency at Massachusetts General Hospital in Boston, MA and a Medical Oncology fellowship at National Cancer Institute in Bethesda, MD. She is co-chair of Breast Cancer Research, chair of Breast Cancer Prevention Research at Baylor Charles A. Sammons Cancer Center and a member of the Scientific Advisory Board for US Oncology Research Network. Dr. O'shaughnessy is highly rated in 13 conditions, according to our data. Her top areas of expertise are Breast Cancer, Triple-Negative Breast Cancer, Inflammatory Breast Cancer, HER2 Negative Breast Cancer, and Tissue Biopsy.

David Khan is an Internal Medicine provider in Dallas, Texas. Dr. Khan is highly rated in 28 conditions, according to our data. His top areas of expertise are Hives, Serum Sickness, Anaphylaxis, and Eosinophilic Granulomatosis with Polyangiitis (EGPA, Churg-Strauss Syndrome).