New Search Margaret Bell Fischer M.D. (301) 877-4663 Primary Specialties Cardiology Sub-specialty Electrophysiology Department Medicine Additional Languages Spoken English Primary Office Address: MedStar Heart and Vascular Institute 110 Thomas Johnson Drive, Ste 120 Frederick, MD 21702 Phone: (301) 877-4663 Recommend this Physician Get Directions Education Medical School - Medical College of Ohio Internship - Saint Louis University Hospital Residency - Saint Louis University Hospital Fellowship - Texas Children's Hospital and St. Luke's Episcopal Hospital Fellowship - The Cleveland Clinic Foundation Board Certifications American Board of Pediatrics American Board of Pediatrics American Board of Internal Medicine