Jeffrey R. Gagan, MD, PhD

Clinical Pathologist

Dr. Jeffrey R. Gagan is a Clinical Pathologist in Boston, MA with special training and skill in chemistry, immunology, and microbiology. As a Clinical Pathologist, Jeffrey R. Gagan, MD, PhD performs analysis and research on body fluids and tissues. Clinical Pathology is the use of laboratory tests to diagnose, treat, and prevent disease. Significant diseases and conditions treated by Clinical Pathologists include infections, viruses, diabetes, and cancer. Medical tests, procedures and therapies provided by Clinical Pathologists include blood, urine, sputum, stool, bone marrow, and spinal fluid sample collection and testing.

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.