Dr. Cecilia P. Johnston

Contact: (410) 583-2618  |  Assistant: Natalie Bubczyk
Specialties:  Internal Medicine
Medical School: Johns Hopkins School of Medicine
Undergraduate School: Caltech
Certifications: Internal Medicine, Infectious Disease
Residency:  Internal Medicine at Johns Hopkins Osler Medicine Training Program
Fellowship in Infectious Diseases at Johns Hopkins
Masters in Health Sciences in Epidemiology from the Johns Hopkins Bloomberg School of Public Health

Dr. Johnston was raised in California and graduated from Caltech with Honors in Biology and Chemistry. She received her medical degree from Johns Hopkins School of Medicine, followed by a 3-year internal medicine residency at the Johns Hopkins Osler Medicine Training Program. She then pursued an Infectious Diseases Fellowship at Johns Hopkins, during which time she also completed a Masters in Health Sciences in Epidemiology from the Johns Hopkins Bloomberg School of Public Health. Her research focused on infection control and outbreaks during her career in infectious diseases at Hopkins. She is board-certified in Internal Medicine and Infectious Diseases. She has focused on being an internist for the past 15 years.

Dr. Johnston lives with her husband, Peter, and their two children in Baltimore. Peter is a cardiologist at Johns Hopkins Hospital. 

  • Johnston CP, Banowetz AK, Ross T, Cai M, Carroll K, Cosgrove SE, Perl TM. Staphylococcus aureus Colonization in Healthcare Workers of a Tertiary Care Hospital. Infect Control Hosp Epid. 2007(28): 1404-1407.
  • Johnston CP, Qiu H, Rosenbaum P, Lawson P, Cooper L, Stokes A, Carroll K, Gartrell T, Kaminsky M, Swartz K, Ticehurst J, Green KY, Cosgrove SE, Perl TM. Outbreak Management and Implications of Nosocomial Norovirus Outbreak. Clin Infect Dis. 2007(45):534-540.
  • Bress JN, Hulgan T, Lyon J, Johnston CP, Lehmann H, Sterling T. Agreement of Decision Analyses and Subsequent Clinical Studies in Infectious Diseases. Am J Med. 2007;120(5):461.e1-9.
  • Johnston CP. Syndromic Diagnosis of Influenza in the Urgent Care Setting. eInfluenza Review. August 2007.
  • Johnston CP, Cooper L, Ruby W, Carroll KC, Cosgrove SE, Perl TM. Epidemiology of Community-Associated Methicillin-Resistant Staphylococcus aureus Skin Infections Among Healthcare Workers in an Outpatient Clinic. Infect Control Hosp Epid. 2006;27:1133–1136.
  • Francis J, Doherty M, Lopatin U, Johnston CP, Sinha G, Ross T, Cai M, Hansel NN, Perl TM, Ticehurst JR, Carroll K, Thomas DL, Nuermberger E, and Bartlett J. Severe Community-Onset Pneumonia in Healthy Adults Caused by Methicillin-Resistant Staphylococcus aureus Carrying the Panton-Valentine Leukocidin Genes. Clin Infect Dis. 2005; 40:100-107.
  • Schiffer JT, Park CS, Jefferson BK. Cases from the Osler Medical Service at Johns Hopkins University. Sister Mary Joseph nodule. Am J Med. 2003;114(1):68-70.