New Search Mark Theodore Birns M.D., FACP (301) 251-1244 Department Medicine Specialty Gastroenterology Primary Office Address: Capital Digestive Care, LLC 56 Thomas Johnson Dr Ste 110 Frederick, MD 21702 Phone: (301) 251-1244 Recommend this Physician Get Directions Education Medical School - Albert Einstein College of Medicine of Yeshiva University Residency - Bronx Municipal Hospital Fellowship - OHSU Health Care System Board Certifications American Board of Internal Medicine American Board of Internal Medicine