New Search Larry J Warner M.D. (301) 663-0400 Department Medicine Specialty Dermatology Primary Office Address: 63 Thomas Johnson Dr., Ste A Frederick, MD 21702 Phone: (301) 663-0400 Recommend this Physician Get Directions Education Medical School - University of Maryland School of Medicine Internship - South Baltimore General Residency - University of Maryland School of Medicine Board Certifications American Board of Dermatology American Board of Dermatology