WMCHealth Physicians Advanced OB/GYN Associates, located at Margaretville Hospital in Margaretville, NY. Physicians are qualified to evaluate and treat provide treatment and diagnosis of many routine and complex conditions unique to women, our approach to women's healthcare also addresses primary care issues such as tobacco use, high blood pressure, diabetes, nutrition, sexually transmitted diseases, depression and cancer prevention. WMCHealth Physicians Advanced OB/GYN Associates 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.