Clinical Divisions

Cardiology Division


The Cardiology Division at Massachusetts General Hospital provides multidisciplinary care and innovative treatments for common and complex heart conditions.



The Mass General Endocrine Division offers comprehensive clinical services, including treatment for diabetes, osteoporosis and diseases of the pituitary, thyroid and reproductive systems.



The Division of Gastroenterology at Mass General provides state-of-the-art consultative care, endoscopic services, and access to clinical trials for the full spectrum of digestive and liver diseases.

General Internal Medicine

General Internal Medicine

The Division of General Internal Medicine provides general medical care—including hospital medicine, primary care and geriatric medicine—and oversees primary care training and programs in health services research.


Hematology & Oncology

As an integral part of the Mass General Cancer Center, world-renowned specialists in the Division of Hematology & Oncology offer patients personalized, team-based cancer care and access to promising new therapies.

Infectious Diseases

Infectious Diseases

The Division of Infectious Diseases provides comprehensive inpatient and outpatient clinical services in all areas of infectious disease and conducts leading-edge, basic, translational and clinical research. We also offer fellowships and advanced research training.



The Mass General Division of Nephrology offers a full range of personalized care and education for patients with kidney diseases while engaging in clinical, translational and basic research.


Palliative Care

The Division of Palliative Care provides patients with relief from the symptoms, pain and stress of a serious illness—whatever the diagnosis or prognosis. It serves as an extra layer of support to the patient’s other clinicians.


Pulmonary & Critical Care Medicine

The Division of Pulmonary & Critical Care Medicine provides comprehensive care for patients with respiratory diseases and critical illness, performs leading-edge research, and trains the next generation of physicians and scientists.

Rheumatology, Allergy & Immunology

Rheumatology, Allergy & Immunology

The Division of Rheumatology, Allergy & Immunology at Mass General treats immune diseases by integrating patient care, basic and clinical research, and education of physician-scientists.

Research Units

  • The Analytic and Translational Genetics Unit focuses on the interpretation of individual genome sequence data for the discovery of the genetic underpinnings of human disease and for development of paradigms for clinical decision making
  • The Center for Assessment Technology and Continuous Health is a collaboration of experts discovering new health measurements and technology to better diagnose and treat diseases within a patient’s daily life
  • The Clinical and Translational Epidemiology Unit advances the translation of discoveries into effective clinical interventions in chronic disease through epidemiologic investigation
  • The Laboratory of Computer Science supports the department's clinical and research information systems and conducts research into the application of computer technology in medical record systems, physician workstations, clinical problem solving, expert systems in medical diagnosis, knowledge management and clinical research
  • The Mongan Institute Health Policy Center aims to catalyze beneficial changes in health policy, the health and care of disadvantaged populations, and the health care delivery system
  • The Medical Practice Evaluation Center works to improve clinical outcomes, increase value in health policy, and inform global public health through innovative research, collaboration and education
  • The Biostatistics Center provides statistical and data management support to Mass General investigators and serves as a coordinating center for several projects supported by the National Institutes of Health. The center's staff includes biostatisticians, physicians, research nurses, data managers, project managers, research assistants and computing staff

Department Initiatives

Since 1811, the Massachusetts General Hospital Department of Medicine has been committed to providing excellent and innovative programming for our patients, faculty and residents.

The Bulfinch Building at Mass General
The Bulfinch Building at Mass General

The Department of Medicine at Massachusetts General Hospital is dedicated to providing and cultivating a variety of initiatives to educate and engage our patients, faculty, researchers and community.

Learn more about our current initiatives:

The Medicine Innovation Program

The Medicine Innovation Program (MIP) provides an opportunity for members of the Department of Medicine to share innovations in health care delivery.

The James Jackson Society

The James Jackson Society is the Department of Medicine’s alumni organization, working to create beneficial engagement between current and past members of the Department’s Internal Medicine Residency Program.

The Morton N. Swartz, MD Initiative

The Morton N. Swartz, MD Initiative’s aim is to support health caregivers throughout the continuum of their careers, changing the culture of medicine to allow future generations to thrive in the profession and find joy and meaning in their work.