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Julie Elizabeth Hoover-Fong, M.D., Ph.D.

Photo of Dr. Julie Elizabeth Hoover-Fong, M.D., Ph.D.
  • Director, Greenberg Center for Skeletal Dysplasias
  • Professor of Genetic Medicine


Achondroplasia, Genetics, Medical Genetics, Skeletal Dysplasias

Research Interests

Achondroplasia; Skeletal dysplasias; Autism; chromosome abnormalities; clinical genetics; bone health; morbidity & mortality; natural history skeletal dysplasias; Nail Patella syndrome; Cystic fibrosis; Clinical research more

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The Johns Hopkins Hospital

Appointment Phone: 410-955-3071
600 N. Wolfe Street
Blalock 1008
Baltimore, MD 21287 map
Phone: 410-955-3071 | Fax: 410-502-2375


Dr. Julie Hoover-Fong is an associate professor of pediatrics and clinical geneticist in the McKusick-Nathans Institute of Genetic Medicine. She also serves as director of the Greenberg Center for Skeletal Dysplasias. 

Dr. Hoover-Fong holds a bachelor’s degree in human nutrition from The Ohio State University, where she also completed her medical degree. She received her PhD in the Graduate Training Program in Clinical Investigation at the Johns Hopkins University School of Medicine and Bloomberg School of Public Health. Dr. Hoover-Fong completed a pediatric internship and residency at Washington University in St. Louis and a fellowship in medical genetics at Johns Hopkins University in Baltimore. She joined the Johns Hopkins University faculty in 2002.

As a board certified clinical geneticist and pediatrician and Director of the Greenberg Center for Skeletal Dysplasias, Dr. Hoover-Fong oversees the clinical operations and research ventures for the patient population served by the Greenberg Center.  Her clinical team works to establish and improve diagnostic and treatment guidelines for comprehensive care of patients with all types of bone conditions, congenital anomalies, and complex chromosomal abnormalities. She sees patients in multiple clinical settings including the skeletal dysplasia clinic, cleft and craniofacial clinics and a combined genetics-endocrine clinic.  

Dr. Hoover-Fong also mentors and teaches medical students, residents and trainees in the Medical Genetics Postdoctoral Training Program at Johns Hopkins.

As an active clinical researcher, Dr. Hoover-Fong is the Principal Investigator of several multi-center clinical trials for patients with a variety of genetic conditions including achondroplasia and Down Syndrome. She is also a co-investigator on an NIH-sponsored grant to identify the genetic cause of Mendelian conditions via whole exome sequencing.  For a multi-center CDC-sponsored study to discover potential environmental and genetic contributors to the onset of autism in children, she participates as a clinician co-investigator and thesis advisor.  

From a service perspective, Dr. Hoover-Fong is an active member of the Medical Advisory Board of the Little People of America, the Johns Hopkins Clinical Research Center Protocol Review Committee, and the Institute of Genetic Medicine Residency Review Committee.  She was recognized in Baltimore magazine’s Top Doctors 2013. more


  • Director, Greenberg Center for Skeletal Dysplasias
  • Professor of Genetic Medicine
  • Professor of Pediatrics

Departments / Divisions

Centers & Institutes



  • MD, The Ohio State University Wexner Medical Center (1995)


  • St Louis Children's Hospital / Pediatrics (1998)


  • Johns Hopkins University School of Medicine / Genetics (2002)

Board Certifications

  • American Board of Medical Genetics and Genomics / Clinical Genetics / MD (2002)

Research & Publications

Clinical Trial Keywords

achondroplasia, Down syndrome

Videos & Media

Recent News Articles and Media Coverage

Baltimore magazine's Top Doctors: 2013

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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