A Worldwide Network of Leading Academic Centers
Global Second Opinion partners with world-renowned academic hospitals — including Harvard Medical School, Mayo Clinic, UCLA Health, and Mass General Brigham, providing access to more than 20,000 board-certified specialists.
Our experts are at the forefront of research and clinical innovation, ensuring every second opinion is grounded in the latest medical science. Each review is conducted through academic institutions, not individual clinicians, by physicians recognized as key opinion leaders (KOLs) in their fields.
Massachusetts General Hospital (MGH)
Massachusetts General Hospital is the largest teaching hospital of Harvard Medical School. Each year, Mass General is named by U.S. News & World Report as one of America’s top hospitals and is the only U.S. hospital to be ranked in all medical specialties.
MGH is committed to discovering new, innovative, solutions and providing hope for patients in need of care, whether they are from near or far. With over 1,200 clinical trials taking place at any given time, MGH conducts the largest hospital-based research program in the United States with annual research operations totaling over $1 billion.


Dana-Farber Cancer Institute
Since its founding in 1947, Dana-Farber Cancer Institute in Boston, Massachusetts, has been committed to providing adults and children with cancer with the best treatment available today while developing tomorrow's cures through cutting-edge research. Dana-Farber is a principal teaching affiliate of Harvard Medical School and a founding member of the Dana-Farber/Harvard Cancer Center.
Today, Dana-Farber employs more than 5,000 clinicians, faculty, and staff supporting more than 640,000 annual cancer outpatient visits, more than 1,000 hospital discharges per year, and has over 1,100 open clinical trials. Dana-Farber has been regularly recognized as a Best Hospital for Cancer Care by U.S. News and World Report.

Brigham and Women’s Hospital
A 793-bed teaching affiliate of Harvard Medical School, Brigham and Women's Hospital is recognized internationally for its excellence and innovation in patient care, biomedical research, and education and training programs for physicians, scientists and health care professionals.
It is consistently ranked by U.S. News & World Report as one of America's Best Hospitals and is recognized for its expertise in heart and vascular care, cancer care, orthopedic and arthritis treatment, neurologic and neurosurgical care, women's health, etc..

UCLA Health
UCLA Health's physicians are world leaders in the diagnosis and treatment of complex illnesses, and its hospitals are among the best in the United States. UCLA Health comprises four hospitals on two campuses: Ronald Reagan UCLA Medical Center, UCLA Mattel Children's Hospital, the UCLA Resnick Neuropsychiatric Hospital, and UCLA Santa Monica Medical Center.
UCLA Health’s hospitals are at the cutting edge of biomedical research, and its doctors and scientists are leaders in performing pioneering work across an astounding range of disciplines, from organ transplantation and cardiac surgery to neurosurgery and cancer treatment and bringing the latest discoveries to virtually every field of medicine.


Boston Children’s Hospital
Boston Children’s Hospital is dedicated to improving and advancing the health and well-being of children around the world through its life-changing work in clinical care, biomedical research, medical education and community engagement.
Boston Children's is ranked among the best in the nation by U.S. News and World Report. It is home to the world's largest pediatric research enterprise, and it is the leading recipient of pediatric research funding from the National Institutes of Health (NIH). It is the primary pediatric teaching hospital for Harvard Medical School. Boston Children’s treats more children with rare diseases and complex conditions than any other hospital.
With more than 40 clinical departments and 258 specialized clinical programs, Boston Children’s is one of the largest pediatric medical centers in the United States. It provides a complete range of health care services for children of all ages, and in some cases, can offer fetal interventions and treatments for adults.
For over 150 years, Boston Children's Hospital has maintained the same vision: to advance pediatric care worldwide by:
- providing the highest quality of health care
- leading the way in research and discovery
- educating the next generation of leaders in health care

Mass Eye and Ear
Mass Eye and Ear Hospital in Boston is a Harvard teaching hospital dedicated to eye (ophthalmology) and ear, nose, throat, head and neck (ENT) care and research.
It is an international center for treatment and home to the world's largest vision and hearing research centers. It is ranked #1 in Ophthalmology and Otolaryngology in New England based on U.S. News & World Report list of Best Hospitals.

Spaulding Rehabilitation Hospital
Spaulding Rehabilitation Hospital is a recognized leader in rehabilitative medicine in the USA and internationally.
It is one of the largest inpatient rehabilitation facilities in the USA and is consistently ranked as one of the country's top rehabilitation hospitals by U.S. News and World Report. It provides comprehensive rehabilitation treatment to a wide spectrum of illnesses and injuries.

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