Maria Carmen G. Diaz, MD

Emergency Medicine

Primary Office

Nemours Children's Hospital, Delaware Nemours Children's Hospital, Delaware 1600 Rockland Road Wilmington, DE 19803 Appointment: (800) 416-4441

Get to Know Me

Dr. Maria Carmen G. Diaz is a pediatric emergency medicine physician and the medical director of the Nemours Institute for Clinical Excellence (NICE) at Nemours/Alfred I. duPont Hospital for Children. NICE’s mission is to advance patient safety and quality of care by promoting clinical excellence through the use of simulation.   Dr. Diaz is double board-certified in Pediatric Emergency Medicine and in General Pediatrics. She also serves as the chair of the Emergency Medical Services for Children (EMSC) Advisory Committee for the State of Delaware.

What I'm Passionate About

I’m passionate about delivering safe, high-quality care to all of our patients. That’s what I strive for in my own practice in our Emergency Department, and it’s what I push for in all the work I do as the medical director of simulation at Nemours. My medical interests include:  simulation pediatric emergency medicine  high-quality pediatric care for all children

Education & Training


  • Pediatric Emergency Medicine - Children's Hospital Medical Center of Akron, 2004

Internship Residency

  • Pediatrics - St. Joseph's Medical Center, 2001

Medical/Dental School

  • MD - St. George's University School of Medicine, 1998

Board Certifications

  • American Board of Pediatrics/Pediatric Emergency Medicine
  • American Board of Pediatrics/General Pediatrics

Awards & Recognition

  • 2014 Best Doctors in America
  • 2014 Delaware Today magazine, Top Doctors
  • 2013 Best Doctors in America
  • 2011 Best Doctors in America
  • 2017 SOEM EBSCO-PEMSoft Award for Technological Innovations in Pediatric Emergency Medicine, American Academy of Pediatrics
  • 2020 Pediatric Research Award – Sponsored by the Pediatrics Section of the Society for Simulation in Healthcare; International Meeting on Simulation in Healthcare

Insurance Accepted

  • Aetna Better Health PA Kids HMO
  • Aetna HMO
  • Aetna PPO/POS/EPO
  • Amerihealth Caritas Delaware
  • Cigna Lifesource Transplant
  • Cigna/Great West HMO EPO POS
  • Cigna/Great West PPO
  • Delaware First Health
  • Delaware Medicaid/Diamond State
  • Delaware Medicare
  • Devon Health Services
  • Fidelis Care NJ Medicaid HMO
  • First Health/Affordable PPO
  • Geisinger Health Plan Commercial
  • Global Medical Managment DE/PA
  • Health Partners Medicaid/Kidz Partner HMO
  • Highmark Blue Cross Blue Shield of Delaware
  • Highmark Medicaid Health Options
  • Horizon Blue Cross Blue Shield of New Jersey
  • Independance Blue Cross/Amerihealth/Keystone Health Plan
  • Insurance Administrators of America
  • INTEGRA Administrative Group (ClaimsBridge)
  • Keystone First Medicaid HMO
  • Lifetrac Transplant
  • Maryland Medicaid
  • Multiplan PPO
  • National Transplant (Humana)
  • New Jersey Medicaid
  • Pennsylvania Medicaid
  • Plan Vista/NPPN PPO
  • Preferred Healthcare PPO
  • Private Health Care Systems (PHCS)
  • Qualcare HMO/POS/PPO
  • Star Healthcare Network
  • Three Rivers Provider Network
  • Tricare/Humana Military Health Services/CHAMPVA
  • United Healthcare of the Mid-Atlantic
  • US Family Health Plan
  • Wellpoint Maryland Medcaid

  • English