Harvard Vanguard Medical Associates, located in Chelmsford, Mass., offers a variety of health and medical services. It provides mental health services, adolescent psychiatric care and substance abuse counseling. The center provides services, such as behavioral and community health, surgery, minimally invasive surgery, oncology, women s health care, and heart and vascular care services. The heart care services include cardiac rehabilitation, cardiovascular surgery, congestive heart failure test, diagnostics, heart care education and interventional catheterization. The health center offers women s health care services, including gynecological surgery, geriatric care, mammography, behavioral health, health screenings and educational programs, and inpatient and outpatient health care. The organization additionally provides laboratory services, such as magnetic resonance imaging, CT scan and X-rays.