Dr. Mary Bollinger, DO Dr. Mary Bollinger, DOLanguages: EnglishPhone: (410) 328-2427Contact this Provider: (410) 328-2427SpecialtiesEducationMedical School: Philadelphia College of Osteopathic Medicine (1989)Board Certification: American Board of Allergy and Immunology, Allergy and Immunology Practice Locations510 Upper Chesapeake DriveSuite 509Bel Air, MD 21014View MapPhone: 410-328-6749Fax: 410-328-730522 South Greene StreetSuite N5W40Baltimore, MD 21201View MapPhone: 410-328-6749Fax: 410-328-73057556 Teague RoadSuite 420Hanover, MD 21076View MapPhone: 410-328-67491302 Bellona AvenueLutherville, MD 21093View MapPhone: 667-214-2200Fax: 410-296-3120