New Search Marla J. Mullen C.R.N.P., M.S.N., M.S.N. (240) 566-3004 Primary Specialties Immediate Care Sub-specialty Employee Health Department Medicine Additional Languages Spoken English Primary Office Address: FMH - Employee Health 400 W. 7th St Frederick, MD 21701 Phone: (240) 566-3004 Recommend this Physician Get Directions Education Postgraduate Education - State University of New York at Stony Brook Board Certifications American Nurses Credentialing Center