Dr. Ryan practices
Hematology,
Internal Medicine,
and Oncology
in
Alton, Illinois,
and Saint Louis, Missouri.
Dr. Thomas Ryan
graduated
with an MD 35 years ago.
See what other patients of Thomas Ryan, MD are saying.
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Hematology is the study of the blood and blood disorders in the body. A hematologist is a physician who has expertise in diseases of the blood and bone marrow, and treats vascular and clotting problems. The hematologist also treats blood disorders such as hemophilia, leukemia, lymphoma, anemia and sickle cell disease.
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