WMCHealth Physicians Advanced Imaging Center Womens Imaging Center, located at Westchester Medical Center in Valhalla, NY, provides Womens Imaging services to include Digital Breast Tomosynthesis (3-D Mammography), Low-dose digital mammograms, Ultrasound-guided and stereotactic-guided breast biopsies, Sonohysterograms , Breast sonograms (ultrasounds), Breast MRIs, Bone density scanning. WMCHealth Physicians Advanced Imaging Center Womens Imaging is a Member of The Westchester Medical Center Health Network (WMCHealth), a 1,700-bed healthcare system headquartered in Valhalla, New York, with 10 hospitals on eight campuses spanning 6,200 square miles of the Hudson Valley.