New Search Brendan D McCay D.O. (240) 566-3500 Department Emergency Medicine Specialty Primary Office Address: FHH Emergency Dept 400 W 7th St SOUND Frederick, MD 21701 Phone: (240) 566-3500 Recommend this Physician Get Directions Education Medical School - Nova Southeastern University Residency - Virginia Commonwealth University School of Medicine Board Certifications American Osteopathic Association American Board of Emergency Medicine