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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Ursula Guillen:

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Specialties & Research

Dr. Ursula Guillen, MD is board certified in Pediatrics.

Education & Awards

Dr. Guillen graduated from University of North Carolina, Chapel Hill.


Dr. Guillen has 7 hospital affiliations:

  • Christiana Care Health Services 
  • AI duPont Hospital for Children 


  • Spanish

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Additional Information
Dr. Ursula Guillen MD is a female Pediatrician, has 7 years of experience and practices in Pediatrics.
Where does Dr. Ursula Guillen practice?
Dr. Ursula Guillen has 1 office location.
Dr. Ursula Guillen practices Pediatrics near Newark, DE.
See Newark Pediatricians.