Stephen Yang, M.D.

A retired U.S. Air Force colonel and the recipient of numerous military service and achievement medals, Dr. Satin earned his medical degree at the F. Edward Hebert School of Medicine at the Uniformed Services University of the Health Sciences in Bethesda and completed a fellowship in maternal-fetal medicine at the University of Texas Southwestern Medical Center in Dallas.Before joining Johns Hopkins, Satin was a professor and chair of the Department of Obstetrics and Gynecology at his medical school alma mater, where he received multiple Outstanding Clinical Teacher Awards and other accolades. He also served as an attending physician at both the National Naval Medical Center in Bethesda and Walter Reed Army Medical Center in Washington, D.C.He holds several national leadership positions, including president of the American Board of Obstetrics and Gynecology and member of the board of the directors of the Society for Maternal-Fetal Medicine. He has served as chair of the American College of Obstetricians and Gynecologists Committees on Practice Bulletins and Clinical Document Review. He has published many articles in obstetrics and maternal-fetal medicine journals and written numerous textbook chapters. Satin, who also conducts extensive research in labor stimulation, has led countless residents through simulation laboratories and directed simulation courses for the American College of Obstetricians and Gynecologists and the Society for Maternal-Fetal Medicine.

Dr. Hanyok practices all aspects of primary care medicine, including preventive care, pap smears and coordination of care with other specialists.Originally from Calvert County in southern Maryland, Dr. Hanyok earned a medical degree at the University of Chicago. She completed a residency in internal medicine at Johns Hopkins Bayview Medical Center. During the program, she served as chief resident.

The Division of Breast Surgery, as part of the Johns Hopkins Breast Health Services, is one of the leading programs in the region, providing patients with some of the most advanced surgical treatment for benign and malignant breast conditions. Howard County General Hospital's Breast Center offers comprehensive breast services that include diagnostics and biopsies, and a full range of treatment options for breast cancer, provided by Johns Hopkins and HCGH specialists. Our Breast Center is the only hospital-based program for breast cancer treatment in Howard County, allowing our patients to receive expert care, close to home in Columbia, MD.