Dr. Barker graduated from the Johns Hopkins University in 1959. Dr. Barker works in Rockville, MD and specializes in Public Health & General Preventive Medicine and Family Medicine.
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Dr. Barker graduated from the Johns Hopkins University in 1959. Dr. Barker works in Rockville, MD and specializes in Public Health & General Preventive Medicine and Family Medicine.
MEDICAL SCHOOL
Johns Hopkins University - 1959