New Search Mary Markarian-Barrett C.R.N.A. (240) 566-2589 Department Anesthesiology Specialty Primary Office Address: USAP-Maryland 10400 Little Patuxent Parkway Suite 240 Columbia, MD 21044 Phone: (240) 566-2589 Recommend this Physician Get Directions Education Postgraduate Education - Georgetown University Undergraduate - Marymount University Postgraduate Education - Georgetown University School of Nursing Board Certifications American Association of Nurse Anesthetists