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Jonathan Mark Ellen, M.D.

Photo of Dr. Jonathan Mark Ellen, M.D.

President, CEO and Physician-in-Chief Johns Hopkins All Children's Hospital

Professor of Pediatrics

Male

Expertise: Adolescent Medicine, General Pediatrics, Pediatrics

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Locations

Johns Hopkins Pediatrics
Appointment Phone: 443-997-5437

200 N. Wolfe Street
Rubenstein Child Health Building
Baltimore, MD 21287 map
Phone: 410-550-4115
Fax: 410-502-5440

Background

Dr. Jonathan Ellen serves as president, CEO and physician-in-chief of Johns Hopkins All Children’s Hospital (JHACH) and vice dean and professor of pediatrics with Johns Hopkins University School of Medicine. With a team from both organizations, he led the integration between Johns Hopkins Medicine and All Children’s Hospital to ultimately transform All Children’s from a regional pediatric referral center to a leading pediatric academic health system focused on research, teaching and patient care. 

His visionary leadership resulted in the transformation being complete in five short years.  This was acknowledged with the hospital changing its name to Johns Hopkins All Children’s Hospital in 2016. During the five-year integration process, JHACH implemented an innovative pediatric residency program, established the hospital’s first fellowship program, recruited world class physicians, surgeons, researchers and staff who are dedicated to a physician-led patient-centered care delivery model.  He and his team established multi-disciplinary, collaborate institutes focused on maternal, fetal and neonatal medicine, neurosciences and mental health, cancer, and hearts, several of which are ranked highly by U.S. News & World Report.  And, today collaborations between physicians and researchers at Johns Hopkins All Children’s Hospital in St. Petersburg and the Johns Hopkins Children’s Center in Baltimore are resulting in children having access to new clinical and translational research spanning both campuses.

Dr. Ellen has also worked with leaders of the University of South Florida Morsani College of Medicine to strengthen the research, USF residency program for which JHACH is a teaching site, and the overall relationships between Johns Hopkins All Children's Hospital and USF. Congruently, he collaborates with a number of regional and community hospitals and providers throughout Tampa Bay to ensure that newborns and children through age 21 have access to best and optimal care. 

Dr. Ellen has expanded Johns Hopkins All Children’s population health efforts with a focus on structural change to impact asthma, obesity and infant mortality. As a pioneer of this type of approach and a leader of the Adolescent Medicine Trials Network for HIV/AIDS Intervention, he serves as principal investigator for Connect to Protect®, a community coalition-based program. His past research focused on preventing sexually transmitted infections, including HIV, in adolescents and the structural and environmental factors associated with disease transmission.  Throughout his career he has received more than $25 million in research awards from the CDC, NIH and other agencies.

Dr. Ellen joined the Johns Hopkins University School of Medicine in 1999. He was named vice dean for All Children’s Hospital in 2011 and president of All Children’s Hospital in 2012.  He previously led the Center for Child and Community Health at Johns Hopkins and was director of the Department of Pediatrics and Neonatology at Johns Hopkins Bayview Medical Center. Dr. Ellen is a professor of pediatrics at the JHU School of Medicine and a professor of epidemiology and population, family and reproductive health in the Bloomberg School of Public Health. He has trained more than 40 pre- and post-doctoral fellows in adolescent medicine and public health and authored more than 200 peer-reviewed scientific articles, reviews, and editorial and book chapters.

After graduating from the University of Pennsylvania, he received his medical degree from Temple University and completed an internship and residency in pediatrics at Children’s Hospital of Philadelphia. Dr. Ellen completed a fellowship in adolescent medicine at the University of California, San Francisco (UCSF), followed by fellowships in sexually transmitted diseases at UCSF, the San Francisco Department of Public Health, and the Centers for Disease Control and Prevention.

Dr. Ellen serves on several regional and state boards.  Currently he serves as Chair, Board of Trustees, Foundation for Healthy St. Petersburg; Chair, Board of Trustees, Safety Net Hospital Alliance of Florida; President of the St. Pete Innovation District; Member, Florida Council of 100; Member, Board of Trustees, Florida Hospital Association; and Member, Board of Trustees, Straz Center.

A resident of St. Petersburg, he and his wife, Margaret de Lisser, have a son and a daughter. 

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Titles

  • President, CEO and Physician-in-Chief Johns Hopkins All Children's Hospital
  • Vice Dean and Professor Pediatrics Johns Hopkins University School of Medicine
  • Professor of Pediatrics

Education

Degrees

  • MD, Temple University School of Medicine (1988)

Residencies

  • The Children's Hospital of Philadelphia / Pediatrics (1991)

Fellowships

  • University of California San Francisco / Adolescent Medicine (1995)

Board Certifications

  • American Board of Pediatrics / Adolescent Medicine (1994)
  • American Board of Pediatrics / Pediatrics (1991)

Research & Publications

Research Summary

Dr. Ellen’s research focuses on community-based health initiatives, especially structural changes to impact asthma, obesity and infant mortality. He was previously the leader of the Adolescent Medicine Trials Network for HIV/AIDS Intervention, serving as principal investigator for Connect to Protect®, a community coalition-based program.

His past research focused on preventing sexually transmitted infections, including HIV, in adolescents and the structural and environmental factors associated with disease transmission, and he received more than $25 million in research awards from the CDC, NIH and other agencies.

Selected Publications

View all on Pubmed

Chutuape KS, Muyeed AZ, Willard N, Greenberg L, Ellen JM; the Adolescent Medicine Trials Network for HIV/AIDS Interventions. "Adding to the HIV Prevention Portfolio - the Achievement of Structural Changes by 13 Connect to Protect® Coalitions." Glob J Community Psychol Pract. 2014;5(2):1-8.

Lee L, Rand CS, Ellen JM, Agwu AL. "Further thoughts on starting antiretroviral therapy: a response to ball." J Adolesc Health. 2015 Feb;56(2):254. doi: 10.1016/j.jadohealth.2014.11.006.

Ellen JM, Greenberg L, Willard N, Stines S, Korelitz J, Boyer CB; and the Adolescent Medicine Trials Network for HIV/AIDS Interventions. "Cross-sectional survey comparing HIV risk behaviours of adolescent and young adult men who have sex with men only and men who have sex with men and women in the US and Puerto Rico." Sex Transm Infect. 2015 Jan 13.

Ellen JM, Greenberg L, Willard N, Korelitz J, Kapogiannis BG, Monte D, Boyer CB, Harper GW, Henry-Reid LM, Friedman LB, Gonin R. "Evaluation of the Effect of Human Immunodeficiency Virus-Related Structural Interventions: The Connect to Protect Project." JAMA Pediatr. 2015 Jan 12. doi: 10.1001/jamapediatrics.2014.3010. [Epub ahead of print]

Decker MR, Rodney R, Chung SE, Jennings JM, Ellen JM, Sherman SG. "HIV testing among youth in a high-risk city: prevalence, predictors, and gender differences." AIDS Care. 2014 Dec 12:1-6. [Epub ahead of print]

Videos & Media

Dr. Jonathan Ellen on the 2013 Radiothon

This Month at All Children's, February 2011

Jonathan Ellen, MD talks about the Future of Care

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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