Top Medical Research Centers in the US

National Institutes of Health – Popularly known as NIH is an agency of the United States Department of Health and Human Services and is the primary agency of the United States government responsible for biomedical and health-related research.

Johns Hopkins – The Johns Hopkins University School of Medicine, located in Baltimore, Maryland (USA), in addition to operating a major medical school, operates the Johns Hopkins Hospital, which consists of both a teaching hospital and biomedical research facility.

Mayo Clinic – Mayo Clinic is an internationally recognized non-profit organization in the field of medical care, research and education . Mayo clinic is headquartered in Rochester, Minnesota.

 Massachusetts General Hospital –  MGH  is one of the largest teaching hospital of Harvard Medical School and a biomedical research facility located in the West End neighborhood of Boston, Massachusetts. It is one of the oldest and largest hospital in New England.

Texas Medical Center –  The Texas Medical Center is the largest medical center in the world with one of the highest densities of clinical facilities for patient care, basic science, and translational research.[1][2][3] Located in Greater Houston, the center contains 54 medicine-related institutions, including 21 hospitals and eight specialty institutions, eight academic and research institutions, four medical schools, six nursing schools, and schools of dentistry, public health, pharmacy, and other health-related practices.

Cleveland Clinic – The Cleveland Clinic is a multispecialty academic medical center located in Cleveland, Ohio. Currently regarded as one of the top hospitals in the United States,[8] the Cleveland Clinic was established in 1921 by four physicians for the purpose of providing patient care, research, and medical education in an ideal medical setting. One of the largest private medical centers in the world,

NewYork-Presbyterian Hospital –  NewYork-Presbyterian Hospital is a prominent university hospital system in New York City, composed of two medical centers, Columbia University Medical Center and the Cornell University Weill Medical Center.

University of Pennsylvania Health System – The University of Pennsylvania Health System is a diverse research and clinical care organization in Philadelphia, Pennsylvania. Founded in 1993, it currently operates under the direction and auspices of Penn Medicine, a division of the University of Pennsylvania

University of Pittsburgh Medical Center – The University of Pittsburgh Medical Center (UPMC) is headquartered in Pittsburgh, Pennsylvania and is closely affiliated with its academic partner, the University of Pittsburgh and its six schools of the health sciences

UCSF Medical Center – The UCSF Medical Center is a world-renowned teaching hospital and center of biomedical research located in San Francisco, California, with campuses in Parnassus Heights, Lower Pacific Heights and Mission Bay. It is one of the leading hospitals in the United States and with the UCSF School of Medicine has been the site of various breakthroughs in all specialties of medicine, including the discovery of oncogenes, prions as the etiologic agents of transmissible spongiform encephalopathies, first in-utero fetal surgery and more

Ronald Reagan UCLA Medical Center – The Ronald Reagan UCLA Medical Center is a hospital located on the campus of the University of California, Los Angeles in Los Angeles, California. UCLA Medical Center has research centers covering nearly all major specialties of medicine as well as dentistry and ophthalmology, and is the primary teaching hospital for the David Geffen School of Medicine at UCLA.

Duke University Health System – The Duke University Health System, located in Durham, North Carolina, combines the Duke University School of Medicine, the Duke University School of Nursing, the Duke Clinic, and the member hospitals into a system of research, clinical care, and education.

Marshfield Clinic – Marshfield Clinic is a non-profit group practice health care system serving northern, central and western Wisconsin with over 50 community care centers and hospitals, covering more than 80 specialties, and employing more than 700 physicians as of 2013.

Source: http://en.wikipedia.org/wiki/Medical_centers_in_the_United_States