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. David Callahan:
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- Currently 3 of 4 stars
The overall average patient rating of Dr. David Callahan is Good.
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Specialties & Research
Dr. David Callahan, MD is board certified in Neurology with Special Qualifications in Child Neurology.
- He has special expertise in 3 areas:
- Headache Disorders
- Seizure Disorders
Education & Awards
Dr. Callahan graduated from Washington University at St. Louis, Saint Louis. He has 1 awards.
Dr. Callahan has 10 hospital affiliations:
- Depaul Health Center
- St Lukes Hospital
Accepted Insurance Plans
Dr. Callahan accepts these health insurances in at least one office:
- United Healthcare - 14 plans
- Great-West Healthcare - 2 plans
- Unicare - 4 plans
- Humana - 6 plans
- Anthem - 5 plans
- Cigna - 4 plans
- Aetna - 3 plans