WMCHealth Physicians Advanced OB/GYN Associates offers comprehensive women's healthcare in Hawthorne, NY. Physicians are qualified to evaluate, treat and diagnose many routine and complex conditions unique to women including obstetric and gynecologic care, as well as preventive health. WMCHealth Physicians Advanced OB/GYN Associates is a member of the Westchester Medical Center Health Network (WMCHealth), which is headquartered in Valhalla, New York and includes hospitals across seven campuses, 60 ambulatory care sites, nearly 13,500 employees and nearly 3,000 attending physicians.