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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 (6)

The overall average patient rating of Dr. David Callahan is Good. Dr. Callahan has been reviewed by 28 patients who have provided 6 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 4.3
Courteous Staff 4.4
Accurate Diagnosis 3.6
Bedside Manner 3.5
Spends Time with Me 3.6
Follows Up After Visit 3.2

Specialties & Research

Dr. David Callahan, MD is board certified in Neurology with Special Qualifications in Child Neurology.

  • He has special expertise in 3 areas:
  • Epilepsy
  • Headache Disorders
  • Seizure Disorders

Education & Awards

Dr. Callahan graduated from Washington University at St. Louis, Saint Louis. He has 2 awards.

Patients' Choice Award (2008 - 2010)
On-Time Doctor Award (2014 - 2015)


Dr. Callahan has 10 hospital affiliations:

  • Depaul Health Center 
  • St Lukes Hospital 

> > > > Dr. David Callahan, MD

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Additional Information
Dr. David J Callahan MD is a male Pediatric / Adolescent Neurologist, has 26 years of experience and practices in Neurology with Special Qualifications in Child Neurology.
Where does Dr. David J. Callahan practice?
Dr. David Callahan has 1 office location.
Dr. David Callahan practices Neurology with Special Qualifications in Child Neurology near Chesterfield, MO.
See Chesterfield Neurologists.