CHOC Docs :: Provider Profile

Irfan Ahmad, MD

Dr. Ahmad is on staff at CHOC Orange & CHOC Mission

(714) 509-4373


Board Certified:
Neonatal-Perinatal Medicine, Pediatrics

Special Interests:
Infant growth and the effects of inflammatory and growth factors.

Necrotizing enterocolitis and spontaneous intestinal perforation.

CHOC Children's Specialists
1201 W. La Veta Ave.
Orange, CA 92868
phone: (714) 509-4373
fax: (714) 509-8632
map & directions

Web Site:

Physician Bio

Irfan Ahmad, M.D. is board certified in pediatrics and neonatology. He served as Chief Fellow and completed his Neonatal-Perinatal fellowship at the University of California Irvine (UCI) Medical Center. Dr. Ahmad completed his pediatric internship and residency at the University of Oklahoma, Oklahoma City. He attended medical school and completed a transitional internship at Aga Khan University in Karachi, Pakistan. Dr. Ahman served on the UCI faculty as an assistant professor of Pediatrics and continues to be involved in research at UCI. He is a co-investigator in a NIH sponsored study which involves measuring the effects of assisted exercise on body composition in preterm infants.

Dr. Ahmad's philosophy of care is to provide the very best of care based on current research proven strategies. His special interests include infant growth and measurement of body composition. He is also interested in new strategies for prevention and treatment of necrotizing enterocolitis and spontaneous intestinal perforation in premature infants. Dr. Ahmad is fluent in Urdu and Hindi.

Administrative Appointments

  • Neonatology, CHOC Children's Specialists

Academic Appointments

  • Associate Clinical Professor of Pediatrics
    University of California, Irvine
  • Assistant Clinical Professor of Pediatrics
    David Geffen School of Medicine, UCLA
  • NICU Educational Director
    Pediatric Residency Program, University of California, Irvine


  • Medical School
    Aga Khan University Medical College
    Karachi, Pakistan
  • Internship
    Aga Khan University
    Karachi, Pakistan
  • Pediatric Residency
    University of Oklahoma
    Oklahoma City, OK
  • Neonatal-Perinatal Medicine Fellowship
    UC Irvine, California
  • Chief Fellow, Neonatal-Perinatal Fellowship program
    UC Irvine, California

Board Certifications

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

Honors and Awards

  • Orange County Physician of Excellence
    Orange County Medical Association, Multiple years
  • Top Doctors: Southern California
    Castle Connolly

Published Works

Body composition and is components in preterm and term newborns: A cross-sectional, multimodal investigation. Irfan Ahmad, Dan Nemet, Alon Elaikim, Robin Koeppel, Donna Grochow, Maria Coussens, Susan Gallitto, Julia Rich, Andria Pontello, Sharon Leu, Dan Cooper, Feizal Waffarn. American Journal of Human Biology. 2010. 22(1): 69-75.

Growth factors, inflammatory cytokines and postnatal growth in preterm infants. Eliakim A, Nemet D, Ahmad I, Zaldivar F, Koppel R, Grochow D, Waffarn F, Cooper DM. J Pediatr Endocrinol Metab. 2009 Aug. 22(8): 733-40.

Lectures and Presentations

  • Fetal and Neonatal Growth and body composition
    Nutritional Conference at CHOC, 2011
  • Infectious Diseases related to Prematurity
    CME lecture at Coastal Communities Hospital, March 6, 2006
  • Retinopathy of Prematurity
    UCI: Advanced topics in Neonatology, September 27, 2006

Book Chapters

  • Necrotizing Enterocolitis. 7th edition of Neonatology by Gomella. LANGE Clinical Science, Mc Graw-Hill publishers, New York, published May 22, 2013.
  • Spontaneous Intestinal Perforation. Accepted for publication in 7th edition of Neonatology by Gomella. LANGE Clinical Science, Mc Graw-Hill publishers, New York, published May 22, 2013
  • Necrotizing Enterocolitis and Spontaneous Intestinal Perforation in Neonatology Manual by T. Gomella, sixth edition, LANGE Clinical Science, Mc Graw-Hill publishers, New York, published June 19, 2009.

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UC Irvine

CHOC Children's is affiliated with the UC Irvine School of Medicine