Dr. Barrett graduated from the St Bartholomews Hospital Medical College in 1968. He works in Washington, DC and specializes in Internal Medicine, Hematology and Oncology.
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Dr. Barrett graduated from the St Bartholomews Hospital Medical College in 1968. He works in Washington, DC and specializes in Internal Medicine, Hematology and Oncology.
RESIDENCY
National Institutes Of Health
MEDICAL SCHOOL
St Bartholomews Hospital Medical College - 1968