Paul J. Planet, MD, PhD

Paul J. Planet, MD, PhD

Paul J. Planet, MD, PhD, is an attending physician in the Division of Infectious Diseases at Children's Hospital of Philadelphia.

Areas of Expertise: Microbial ecology and evolution, Bacterial pathogenesis and virulence, Microbiomics and genomics, Phylogenetics, Global spread of antimicrobial resistance, MRSA, Infection in cystic fibrosis
Locations: Main Campus
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)


Dr. Planet is an assistant professor of Pediatrics at the Perelman School of Medicine at the University of Pennsylvania. He is also a senior researcher at the Sackler Institute for Comparative Genomics at the American Museum of Natural History, NY.  

Education and Training

Medical School

MD - Columbia University College of Physicians & Surgeons, New York, NY 


Pediatrics - Morgan Stanley Children’s Hospital of New York, Columbia University, New York, NY


Pediatric Infectious Disease - Morgan Stanley Children’s Hospital of New York, Columbia University, New York, NY

Board Certification

Infectious Disease

Graduate Degree

PhD, Integrated Program for Cellular, Molecular, and Biophysical Studies - Columbia University College of Physicians & Surgeons, New York, NY  

Titles and Academic Titles

Attending Physician

Departments and Services




Planet PJ, Parker D, Cohen TS, Smith H, Leon JD, Ryan C, Hammer TJ, Fierer N, Chen EI, Prince AS. Lambda Interferon Restructures the Nasal Microbiome and Increases Susceptibility to Staphylococcus aureus Superinfection.  MBio. 2016 Feb 9;7(1). pii: e01939-15. doi: 10.1128/mBio.01939-15.

Rosenfeld JA, Reeves D, Brugler MR, Narechania A, Simon S, Durrett R, Foox J, Shianna K, Schatz MC, Gandara J, Afshinnekoo E, Lam ET, Hastie AR, Chan S, Cao H, Saghbini M, Kentsis A, Planet PJ, Kholodovych V, Tessler M, Baker R, DeSalle R, Sorkin LN, Kolokotronis SO, Siddall ME, Amato G, Mason CE. Genome assembly and geospatial phylogenomics of the bed bug Cimex lectularius. Nat Commun. 2016 Feb 2;7:10164. doi: 10.1038/ncomms10164. PMID: 26836631.


Panesso D, Planet PJ, Diaz L, Hugonnet JE, Tran TT, Narechania A, Munita JM, Rincon S, Carvajal LP, Reyes J, Londoño A, Smith H, Sebra R, Deikus G, Weinstock GM, Murray BE, Rossi F, Arthur M, Arias CA. Methicillin-Susceptible, Vancomycin-Resistant Staphylococcus aureus, Brazil. Emerg Infect Dis. 2015 Oct;21(10):1844-8. doi: 10.3201/eid2110.141914. PMID: 26402569. 

Planet PJ, Diaz L, Kolokotronis SO, Narechania A, Reyes J, Xing G, Rincon S, Smith H, Panesso D, Ryan C, Smith DP, Guzman M, Zurita J, Sebra R, Deikus G, Nolan RL, Tenover FC, Weinstock GM, Robinson DA, Arias CA. Parallel Epidemics of Community-Associated Methicillin-Resistant Staphylococcus aureus USA300 Infection in North and South America. J Infect Dis. 2015 Dec 15;212(12):1874-82. doi: 10.1093/infdis/jiv320. Epub 2015 Jun 5. PMID: 26048971.

Antonov NK, Garzon MC, Morel KD, Whittier S, Planet PJ, Lauren CT. High prevalence of mupirocin resistance in Staphylococcus aureus isolates from a pediatric population. Antimicrob Agents Chemother. 2015;59(6):3350-6. doi: 10.1128/AAC.00079-15. Epub 2015 Mar 30. Erratum in: Antimicrob Agents Chemother. 2015 Nov;59(11):7158. PMID: 25824213.


Planet PJ , Saiman L (2010) Microbiology of Cystic Fibrosis  (eds., J. Allen, H. Panitch and R. Rubenstein) Cystic Fibrosis (eds., J. Allen, H. Panitch and R. Rubenstein) in book series Lung Biology in Health and Disease. Informa Health Care, New York. Vol 242 pp. 36-56.

Planet PJ, DeSalle R, Figurski DH (2006) Function, evolution and classification of macromolecular transport systems In Evolution of microbial virulence Seifert, H.S. and DiRita, V.J. (eds). Washington D.C.: ASM Press, pp. 189-220.

Christensen H, Kuhnert, P, Nørskov-Lauritsen, N, Planet PJ , Bisgaard M. Family Pasteuerellaceae. In: Stackebrandt E, Rosenberg E, Delong E, Lory S, Thompson F, editors. The Prokaryotes 4th ed. Springer-Verlag Berlin Heidelberg; 2013.

Awards and Honors

2012, Doris Duke Clinical Scientist Development Award 

2011, John M. Driscoll, Jr., MD Children’s Fund Scholar

2009-2011, Louis V. Gerstner Jr., Scholar  Award

2008, Pediatric Infectious Disease Society & St. Jude (PIDS-St. Jude) Fellowship Award in Basic Science 

2008, Society of Molecular Biology and Evolution, Post Doctoral Travel Award, Barcelona Spain

2007, Chair’s House Staff Invitee, Frontiers in Science, AMSPDC annual meeting, San Antonio, Texas. House Staff

2004, Frederick P. Gay Memorial Award for Achievement in Microbiology, Columbia University

2003, Dean’s Award for Excellence in Research, Columbia University

2003, Richard Parker Memorial Award in Microbiology, Columbia University

2003, Student Graduation Speaker for Graduate School of Arts and Sciences, Columbia University Convocation

2003, PhD with distinction, Columbia University   

1999, Essay Competition Winner, New York Association for Ambulatory Care

1996, MD/PhD Training Fellowship, Columbia University, College of Physicians & Surgeons

1996, Honors in Anthropology, Yale University

1996, Cum laude, BS, Yale University

Editorial and Academic Positions

2010-present, PLoSOne, Academic Editor

Leadership and Memberships

Memberships in Professional Organizations

2002 – present,  Member, American Society of Microbiology