WMCHealth Physicians Multi-Specialty Practice at MidHudson Regional Hospital offers breast surgery, colorectal surgery, nephrology, orthopaedic surgery, thoracic surgery in Poughkeepsie, NY. WMCHealth Physicians Multi-Specialty Practice 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.