New Search Gnanaraj Johnson Koilpillai M.D. (240) 215-6310 Department Medicine Specialty Family Medicine Primary Office Address: FHMG - Primary Care Liberty 194 Thomas Johnson Dr Ste A Frederick, MD 21702 Phone: (240) 215-6310 Recommend this Physician Get Directions Education Medical School - University of Toronto Medical School Internship - University of Western Ontario Residency - University of Toronto Board Certifications American Board of Family Medicine