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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. Clara Callahan:

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Specialties & Research

Dr. Clara Callahan, MD is board certified in Pediatrics.

Education & Awards

Dr. Callahan graduated from Drexel University , Philadelphia.


Dr. Callahan has 4 hospital affiliations:

  • Thomas Jefferson University Hospital 
  • Methodist Hospital 

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Additional Information
Dr. Clara Ann Callahan MD is a female Pediatrician, has 34 years of experience and practices in Pediatrics.
Where does Dr. Clara A. Callahan practice?
Dr. Clara Callahan has 1 office location.
Dr. Clara Callahan practices Pediatrics near Philadelphia, PA.
See Philadelphia Pediatricians.