About John Branda, MD

Dr. Branda received his MD degree from Harvard Medical School (HMS) in 2000. He completed residency training in Anatomic and Clinical Pathology at Massachusetts General Hospital (MGH), followed by a fellowship in Clinical Microbiology. He joined the MGH Pathology faculty in 2004, and is currently Associate Director of the Microbiology Laboratories. He is director of the HMS Clinical Clerkship in Anatomic Pathology and Laboratory Medicine program at Mass General Hospital, and is Associate Director of the MGH Residency Training Program .  His research interests include improving patient care through the development of new diagnostic testing strategies, and optimizing utilization of laboratory testing and antimicrobial agents.  He has a special interest in diagnostic testing for tick-borne illnesses, such as borreliosis, babesiosis, anaplasmosis and tularemia.


Departments, Centers, & Programs:

Clinical Interests:



Mass General Pathology
55 Fruit St.
Boston, MA 02114
Phone: 617-643-0800

Medical Education

  • MD, Harvard Medical School (Massachusetts)
  • Residency, Massachusetts General Hospital
  • Fellowship, Massachusetts General Hospital

American Board Certifications

  • Clinical Pathology, American Board of Pathology

Accepted Insurance Plans

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.


Research interests include:

  • Development of new testing strategies, and improvement of existing diagnostic approaches in clinical microbiology
  • Special interest in the diagnosis of tick-borne infectious diseases, particularly Lyme borreliosis

For more information about research concepts, co-authors, and to see a timeline, visit Dr. Branda's profile at the Harvard Clinical and Translational Science Center.


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