New Search Kristine Theresa Guerin C.R.N.P. (240) 566-3234 Department Medicine Specialty Observation Primary Office Address: Frrederick Health Hospital Observation Unit 400 W. 7th St. Frederick, MD 21701 Phone: (240) 566-3234 Recommend this Physician Get Directions Education Postgraduate Education - University of Maryland School of Nursing Board Certifications American Nurses Credentialing Center