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Vijay Dhar, MD

Dr. Dhar has staff privileges at CHOC Orange & CHOC Mission

Orange, CA


Research Focus:
Evaluating tracheal aspirate leptin and parathyroid hormone-related protein levels in predicting the development of bronchopulmonary dysplasia

Published Works:

Office and Contact Information

CHOC Children's Specialists
1201 W La Veta Ave
Orange, CA 92868
phone: (714) 509-4373
fax: (714) 509-4072
arrow map & directions

Web Site:

Administrative Appointments

  • Chair, Neonatology, CHOC Children's
  • Medical Director, Neonatal Intensive Care Unit, CHOC Children’s
  • Associate Director, Joint CHOC/Harbor UCLA Neonatology Fellowship Program
  • Director, Inpatient Network Development, CHOC Children's Specialists
  • Division Chief, Neonatology, CHOC Children’s Specialists

Physician / Researcher Bio

Recognized for his leadership and expertise, Dr. Dhar serves as medical director of CHOC Children’s neonatal intensive care unit (NICU), Dr. Dhar specializes in neonatal critical care, with particular interests in cytokines, nitric oxide, extracorporeal membrane oxygenation (ECMO) and high-frequency oscillating ventilation (HFOV) performed at CHOC.

On the forefront of innovative treatments, Dr. Dhar participates in numerous research studies. As the principal investigator in the NICU Tracheal Aspirate Study, Dr. Dhar and his associates evaluate tracheal aspirate leptin and parathyroid hormone-related protein levels in predicting the development of bronchopulmonary dysplasia.

Driven with a passion for better outcomes for neonates and children, Dr. Dhar is a coinvestigator in the multicenter National Children’s study which examines the effects of the environment, as broadly defined to include factors such as air, water, diet, sound, family dynamics, community and cultural influences, and genetics on the growth, development, and health of children from before birth until age 21 years. The goal of the study is to improve the health and well-being of children and contribute to understanding the role various factors have on health and disease.

Dedicated to clinical excellence, Dr. Dhar is board certified in pediatrics and neonatology. Prior to joining CHOC Children’s, Dr. Dhar attended medical school at the Postgraduate Institute of Medical Education and Research in Chandigarh, India. He served his pediatric internship and residency at All India Institute of Medical Sciences in Chandigarh, and Gauhati Medical College in Gauhati. Dr. Dhar completed his fellowship training at the Hospital for Sick Children in Toronto and UC Irvine Medical Center in Orange County.

Highly regarded in his field, Dr. Dhar was voted as one of Orange County’s Top Doctors in consecutive years, and has been recognized as a Physician of Excellence by the Orange County Medical Association for the past 10 years.


  • Residency
    Postgraduate Institute of Medical Education and Research, Chandigarh, India
  • Chief/Senior Residency
    All India Institute of Medical Sciences, New Delhi, India
  • Registrar Pediatrics
    Royal College of Physicians, London, United Kingdom
  • Fellowship
    The Hospital for Sick Children, Toronto, Canada
  • Fellowship - Neonatal
    University of California, Irvine

Board Certifications

  • Neonatal Perinatal Medicine
    American Board of Pediatrics
  • Pediatrics
    American Board of Pediatrics

Honors and Awards

  • Physician of Excellence
    OCMA, Multiple years

Professional Organizations

  • California Association of Neonatologists


Dr. Dhar, CHOC Children's, Cooling Cap System Dr. Dhar, CHOC Children's, Cooling Cap System
In this segment from American Health Journal, Dr. Vijay Dhar, CHOC Children's, explains the life saving technology of the cooling cap system. ...

CHOC Articles & Publications

“Cool-Cap” Technology for Moderate or Severe HIE
Physician Connection: Summer 2010
We may be one of the youngest children’s hospitals in the nation, but our physicians have an impressive track record for implementing promising medical technology in neonatal medicine....
National Children’s Study Underway in Orange County
Physician Connection: Summer 2010
University of California, Irvine, in partnership with CHOC Children’s, the Children and Families Commission of Orange County and the Orange County Health Care Agency, was selected to conduct the study...
Exceptional Team Effort Saves Newborn
CHOC Children's Annual Report: FY 2010
In the 15 years he had worked at CHOC, Vijay Dhar, M.D., had certainly never seen anything like it: a cesarean-section performed in a hospital emergency department. But that’s what was happening. Para...
State-of-the-Art Technology at CHOC Gives Newborns a Second Chance
Kid's Health (Archive): Spring 2010
Almost every expectant mother is at least a little anxious about the birth of her baby. It’s natural to want an uncomplicated delivery and healthy child. Most births occur without problems. However, i...
CHOC Children's Installs New Medical Staff Leadership
Physician Connection: Summer 2009
Change is in the air, both on the world stage and here at home. Our hospitals have new names and medical staff leadership. ...
CHOC Scientist Exploring Light's Possibilities For Children
Physician Connection: Summer 2008
A biomedical scientist at CHOC is collaborating with several physicians to explore medical applications of light to provide non invasive diagnoses. ...
CHOC, CHOC at Mission Install New Officers
Physician Connection: Spring 2007
Our success depends on the professional commitment and dedication of our medical staff. We truly appreciate the countless hours these individuals have given to ensure our hospitals provide the highe...
More Articles...


12th Annual Academic Day for Neonatologists
Thursday, November 13, 2014
CME Event - for clinical professionals
Designed for Academic and Clinical Neonatologists, Fellows and NICU Nursing, this annual conference provides a clinical update on care of the neonate....


CHOC Children's NICU at St. Joseph Hospital in Orange Opens
February 19, 2013
Orange County's littlest patients will receive big care just steps away from their mothers in a new neonatal intensive care unit (NICU)....
More than 80 CHOC Children's Doctors Named "Physicians of Excellence"
January 03, 2012
More than 80 CHOC Children's physicians, including specialists and pediatricians, are named "Physicians of Excellence" by the Orange County Medical Association....
More than 60 CHOC Children’s Doctors Named “Physicians of Excellence”
January 04, 2011
More than 60 CHOC Children’s physicians, including specialists and pediatricians, are featured as "Physicians of Excellence" in the January 2011 issue of Orange Coast magazine. The "Physicians of Exc...
More than 50 CHOC Children's Doctors Named "Physicians of Excellence"
January 04, 2010
The Orange County Medical Association names more than 50 CHOC doctors "Physicians of Excellence."...


Dr. Dhar
Vijay Dhar, M.D. specializes in neonatal critical care. ...

Published Works

Dhar V, Perlman M, Cutz E. Autopsy in Neonatal Intensive Care Units, Utilization Patterns and Associations of Clinicopatholoic Discorances; Journal of Pediatrics 1998; 132: 75-9

Dhar V, Hallman M, Bry K. Interleukin-1 Alpha Upregulates, the Expression of Surfactant Protein A in Rabbit Lung Explants; Biology of the Neonate: 1997; 71: 46-52

Rationale and Potential Use of Cytokines in Prevention and Treatment of Neonatal Sepsis, Clinics in Perinatology, 1998; 25-3: 699-710

Co-investigator in an ICMR funded project, Project No. 3/1/2/29(232)78-RB, entitled “Comparative Study of Schick Test and Indirect Hamagglutination Test for Diphtheria in Children”.

Co-investigator in the National Perinatal Epidemiology Unit (UK) OSIRIS Surfactant Trial 1990: “Open Study of Infants at High Risk of or with Respiratory Insufficiency – the role of Surfactant.

Paper entitled “Immune Status of Children and Response to D.P.T. Vaccination, Published in Indian Journal of Pediatrics, vol. 49:501, 1982

Paper entitled “Plasmapheresis in Acute Guillian Barre Syndrome”, Indian Journal of Pediatrics vol. 20:867, 1983

Paper entitled “Cockington Normogram as a Guide to Phototherapy in the Management of Neonatal Hyperbilirubinemia–Evaluation of Indian Neonates”, Indian Pediatrics vol. 21:229, 1984

Paper entitled “Seip Lawrence Syndrome”, Indian Journal of Pediatrics vol. 49:881, 1982

Paper entitled “Relactation with Metochlorpropomide”, Published in Indian Pediatrics

Epidemiological Survey on the prevalence of Gr. A Streptoccal Vulvovaginitis in Children in a large health district at Romford, United Kingdom


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chocChildren's Hospital of Orange County | UCI University of California, Irvine

Children's Hospital of Orange County is affiliated with UC Irvine Healthcare and UC Irvine School of Medicine

CHOC Children's - 1201 W La Veta Ave, Orange, CA. Phone: 714-997-3000. .