Dr. Johnson works in Upper Marlboro, MD and 3 other locations and specializes in Allergy & Immunology. Dr. Johnson is affiliated with Medstar Southern Maryland Hospital Center.
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Dr. Johnson works in Upper Marlboro, MD and 3 other locations and specializes in Allergy & Immunology. Dr. Johnson is affiliated with Medstar Southern Maryland Hospital Center.
* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).