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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).

Patient Reviews

Patient comments (7)

The overall average patient rating of Dr. Dennis Allendorf is Average. Dr. Allendorf has been reviewed by 12 patients who have provided 7 comments. The rating is 2.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 3.0
Courteous Staff 3.7
Accurate Diagnosis 3.0
Bedside Manner 1.9
Spends Time with Me 1.9
Follows Up After Visit 2.0

Specialties & Research

Dr. Dennis Allendorf, MD is board certified in Pediatrics.

  • He has special expertise in 2 areas:
  • Asthma
  • Birth Defects or Abnormalities (Congenital Abnormalities)

Education & Awards

Dr. Allendorf graduated from New York Medical College, Valhalla. He has 1 awards.

Castle Connolly Top Doctors: New York Metro Area™ (2002 - 2008, 2010 - 2014)


Dr. Allendorf has 15 hospital affiliations:

  • New York Presbyterian Hospital / Columbia 
  • NewYork-Presbyterian / Weill Cornell 


  • Spanish
  • Creole
  • Haitian Creole
  • French
  • English

> > > > Dr. Dennis Allendorf, MD

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Additional Information
Dr. Dennis Joseph Allendorf MD is a male Pediatrician, has 41 years of experience and practices in Pediatrics.
Where does Dr. Dennis J. Allendorf practice?
Dr. Dennis Allendorf has 2 office locations.
Dr. Dennis Allendorf practices Pediatrics near New York, NY.
See New York Pediatricians.