Mayo Clinic in Rochester, MN is ranked No. 1 on the list. It is nationally ranked in 14 adult and 8 pediatric specialties, with 1 adult specialty and 16 procedures and conditions recognized as high performing.

It's a medical and surgical center that caters to the general public. It's a teaching hospital, and besides. The Mayo Clinic School of Medicine is the clinic's educational branch. The Mayo Clinic offers a significant transplantation program that is integrated.

The Department of Endocrinology is regarded as one of the world's largest diabetes departments. The hospital offers a Healthy Living Program that includes exercise, nutrition, and mind-body activities and is described as an "immersive wellness" experience.

• Foundation: 1889
• Country: USA
• City: Rochester, MN
• Hospital beds: 1,265
• Website: www.mayoclinic.org

Cleveland Clinic was created in 1921 with the goal of providing excellent patient care based on the principles of cooperation, compassion, and innovation.

It has evolved from a small outpatient clinic into the world's first integrated international health system. Cleveland Clinic has over 65,000 caregivers worldwide and over 200 locations, resulting in nearly 6 million patient visits per year. Cleveland Clinic facilities can be located all over Northeast Ohio, as well as around the United States and the world, including Florida, Canada, Abu Dhabi, and Las Vegas.

Eight regional hospitals, 16 family health clinics, a children's rehabilitation facility, and one affiliate hospital make up the Cleveland Clinic health system. Outpatient services, primary care, several subspecialties, and multiple locations are all available.

The Joint Commission, the nation's biggest accreditor of healthcare organizations, has granted Cleveland Clinic accreditation. The organization has accredited all of the hospitals, family health centers, outpatient clinics, and home healthcare programs belonging to Cleveland Clinic as part of its hospital accreditation program.

• Foundation: 1921
• Country: USA
• City: Cleveland, OH
• Hospital beds: 1,285
• Website: my.clevelandclinic.org

Mass General boasts the country's largest hospital-based research program. Mass General provides care based on cutting-edge research, advanced treatment options, and the latest clinical trials, all guided by the needs of patients.

U.S. News & World Report consistently ranks Mass General among the best hospitals in the country. U.S. News recognizes Mass General in 14 specialties, demonstrating the breadth and depth of its competence. Mass General is also placed #3 on the World's Best Hospitals list by Newsweek for 2021. Patients give the hospital great marks for their experiences, with nearly all responding that they would highly recommend it to others.

At Mass General, patients have access to a massive network of doctors, in which most of them are Harvard Medical School faculty and experts in their fields. Many multidisciplinary care teams—famous for their breakthroughs in cancer, digestive disorders, neurosciences, heart disease, orthopedics, transplantation, urologic illnesses, and trauma care—bring together experts throughout the hospital to provide extensive, state-of-the-art medical care. Furthermore, Mass General Hospital for Children offers a comprehensive spectrum of pediatric healthcare services, ranging from primary care to cutting-edge treatment of challenging and rare conditions.

The hospital has served neighbors, locally and globally, extending far beyond the Boston border.

• Foundation: 1811
• Country: USA
• City: Boston, MA
• Hospital beds: 1,011
• Website: www.massgeneral.org/

The Loyal and Patriotic Society of Upper Canada established a trust fund in 1819 to assist the construction and upkeep of a hospital in the provincial capital, the Town of York. Toronto General Hospital (TGH) is one of Toronto's oldest hospitals, dating back to 1819. The General Hospital of the Town of York, located at Simcoe and King Streets, began construction in 1820 and opened to patients in June 1829. In 1856, it extended to Gerrard and Sumach, and subsequently to College Street in 1913 as Toronto General.

TGH was the first hospital in the world to execute a successful single lung transplant in 1983, and the first to perform a double-lung transplant in 1986. The first external heart pacemaker was deployed in open-heart resuscitation in 1950. In 1922, insulin was produced and tested on a young patient at TGH for the first time in the treatment of diabetes.

The hospital's emergency department currently treats about 28,065 people each year, and it also contains Ontario's largest transplantation facility, conducting heart, lung, kidney, liver, pancreas, and small intestine transplants for patients referred from throughout the country.

The hospital acts as a teaching hospital for the Faculty of Medicine at the University of Toronto. TGH was named the 4th greatest hospital in the world and the first in Canada by Newsweek in 2021. For the ninth year in a row, Research Infosource placed the hospital first in Canada in terms of research.

• Foundation: 1812
• Country: Canada
• City: Toronto, Ontario
• Hospital beds: 727
• Website: www.uhn.ca/

A guy named Johns Hopkins went from grocer to philanthropist, laying out a plan to utilize his money to build a hospital that would care for anybody, regardless of gender, age, or race. The Johns Hopkins Hospital was founded in 1889, and the Johns Hopkins University School of Medicine followed four years later. Medical education and patient care entered a new era as a result of these developments.

On the World's Best Hospitals list, Johns Hopkins Hospital in Baltimore, MD is ranked No. 5. It is nationally ranked in 15 adult and 10 pediatric specialties, and 15 adult treatments and conditions recognized as high performing. It is a medical and surgical center that serves the general public.

Those exploring brain science, cell engineering, diabetes, and genetic medicine are among Hopkins' research institutes. Hopkins is credited with many medical firsts, including the development of renal dialysis, the isolation and crystallization of insulin, and the invention of the rechargeable, the implantable pacemaker.

• Foundation: 1889
• Country: USA
• City: Baltimore, Maryland
• Hospital beds: 1,007
• Website: www.hopkinsmedicine.org

Stanford Health Care is located at 500 Pasteur Drive in Stanford, CA. U.S. News & World Report consistently ranks it as one of the best hospitals in the country, and it serves as the principal teaching hospital for Stanford University School of Medicine.

Stanford Health Care is worldwide acclaimed for cutting-edge and integrated care in cancer care, neurosciences, cardiovascular medicine, surgery, organ transplant, medicine specialties, and primary care, with various sites around the Bay Area.

Stanford has always been at the vanguard of discovery and innovation, as researchers and clinicians collaborate to improve health, alleviate suffering, and transform medical advances into improved patient care.

• Foundation: 1885
• Country: USA
• City: Stanford, CA
• Hospital beds: 477
• Website: stanfordhealthcare.org/

UCLA Health has been providing the best in health care and cutting-edge medical technologies to the residents of Los Angeles and around the world for many decades.

UCLA Health is one of the world's most comprehensive and advanced healthcare systems. Every day, UCLA Health and the UCLA David Geffen School of Medicine work together to redefine the standard of excellence in health care. The hospital's objective is to deliver the latest patient care, teach elite medical professionals, and support groundbreaking research and discovery.

Our doctors are world experts in the diagnosis and treatment of complex disorders. U.S. News & World Report consistently ranks the hospitals among the best in the country. Their doctors and scientists are pioneering work in a wide range of fields, from organ transplantation and cardiac surgery to neurosurgery and cancer treatment, and bringing the latest discoveries to nearly every sector of medicine.

• Foundation: 1955
• Country: USA
• City: Los Angeles, CA
• Hospital beds: 445
• Website: www.uclahealth.org/

The Mount Sinai Hospital, part of the Mount Sinai Health System, is one of the country's oldest, largest, and most prestigious hospitals.

The Mount Sinai Health System is a comprehensive health system dedicated to delivering outstanding care, undertaking groundbreaking research, and improving biomedical education. The Health System offers a large ambulatory network and a spectrum of inpatient and outpatient services from community-based institutions to tertiary and quaternary care, all of which are organized around seven member hospital sites and a single medical school.

Over 6600 main and specialty care physicians, 12 minority-owned free-standing ambulatory surgery centers, over 45 ambulatory practices across the five boroughs of New York City, Westchester, and Long Island, and 31 linked community health clinics comprise the System. Physicians are linked with the Icahn School of Medicine at Mount Sinai, which is recognized among the top 20 medical schools in the United States by both the National Institutes of Health and U.S. News & World Report.

• Foundation: 1852
• Country: USA
• City: New York, NY
• Hospital beds: 1,161
• Website: www.mountsinai.org

Michigan Medicine is one of the largest health care facilities in Ann Arbor, Michigan. The Medical School has been the site of countless groundbreaking medical and technological advances since its inception in 1850.

Michigan Medicine is a world-class academic medical center and an award-winning healthcare system with state-of-the-art facilities. Through scientific discovery, educational advances, and the most effective and compassionate care, the company's aim is to shape the future of health care.

The University of Michigan Hospitals and Health Centers, the University of Michigan Medical School, and the Faculty Group Practice, one of the country's largest biomedical research organizations, are all part of Michigan Medicine. They've started educational programs that yearly train tens of thousands of future doctors and scientists. The University of Michigan Medical Center was the previous name; currently, that phrase refers to the group of facilities on the main medical campus in Ann Arbor.

They have a tight relationship with the University of Michigan School of Nursing and other health sciences colleges. The hospitals also are able to develop relationships outside of the University through the Michigan Health Corporation.

• Foundation: 1850
• Country: USA
• City: Ann Arbor, MI
• Hospital beds: 1,006
• Website: www.med.umich.edu/

Brigham and Women's Hospital in Boston, Massachusetts, is a world-class academic medical hospital. Patients come to the Brigham from all throughout New England, the United States, and 120 countries around the world. Brigham & Women's Hospital along with a major teaching hospital of Harvard Medical School has a long history of clinical quality that continues to grow year after year.

The Brigham network has 1,200 doctors working in 150 outpatient practices across New England. The Brigham has led countless medical and scientific advances that have helped lives all around the world, making it an international leader in practically every field of medicine.

Brigham and Women's Hospital is ranked among the leading hospitals in numerous specialized areas, including cancer, cardiology, and heart surgery, diabetes and endocrine diseases, ear, nose and throat, gastroenterology, and so on.

• Foundation: 1980
• Country: USA
• City: Boston, MA
• Hospital beds: 804
• Website: www.brighamandwomens.org