New Search Allen J Gilson M.D. (301) 898-4340 Specialty Pulmonary Sub-specialty Geriatric Medicine Department Medicine Additional Languages Spoken English Primary Office Address: 56 W Frederick Street Walkersville, MD 21793 Phone: (301) 898-4340 Recommend this Physician Get Directions Education Medical School - Jefferson Medical College Internship - Washington Hospital Center Residency - Washington Hospital Center Fellowship - Medical University of South Carolina Medical Center Board Certifications American Board of Internal Medicine American Board of Internal Medicine American Board of Internal Medicine American Board of Internal Medicine