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Pediatrician, Pulmonologist (lungs), Pediatric Specialist
31 years of experience
Video profile
Accepting new patients
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).

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Louis Guernsey is Excellent. Dr. Guernsey has been reviewed by 3 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Louis Guernsey, MD is board certified in Pediatrics and Pediatric Pulmonology.

  • He has special expertise in 2 areas:
  • Asthma
  • Dyspnea

Education & Awards

Dr. Guernsey graduated from Emory University , Atlanta.


Dr. Guernsey has 17 hospital affiliations:

  • Thomas Jefferson University Hospital 
  • Lancaster General Hospital 


  • French
  • English

> > > > Dr. Louis Guernsey, MD

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Additional Information
Dr. Louis Guernsey MD is a male Pediatrician, has 31 years of experience and practices in Pediatrics and Pediatric Pulmonology.
Where does Dr. Louis Guernsey practice?
Dr. Louis Guernsey has 8 office locations.
Dr. Louis Guernsey practices Pediatrics and Pediatric Pulmonology near Wilmington, DE.
Additional practice locations include: Philadelphia, PA and Lancaster, PA.
See Wilmington Pediatricians and Wilmington Pulmonologists.