Patrick B. Johnston, MD

Hematologist - Internal Medicine

Dr. Patrick B. Johnston is a Hematologist - Internal Medicine in Rochester, MN with special training and skill in diagnosing and treating disorders of the lymphatic systems, bone marrow, and blood. As a Hematologist - Internal Medicine, Patrick B. Johnston, MD performs care of patients with blood-related diseases. Hematology is an internal medicine branch that focuses on studying, diagnosing, treating, and preventing blood-related illnesses. Significant diseases and conditions treated by Hematologists include anemia, sickle cell disease, neutropenia, hemophilia, deep-vein thrombosis, arterial thromboembolism, lymphoma, and leukemia. Medical tests, procedures and therapies provided by Hematologists include complete blood count (CBC), blood enzyme test, platelet test, international normalized ratio (INR), partial thromboplastin time (PTT), prothrombin time (PT), and bone marrow biopsy.

An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.