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).
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Specialties & Research
Dr. Charles Callahan, DO is board certified in Pediatrics and Pediatric Pulmonology.
He has special expertise in 3 Areas, including Acid Reflux Disease Gastroesophageal Reflux, Asthma, and Bronchiectasis.
More Specialties & Research
Education & Awards
Dr. Callahan graduated from UMDNJ at Stratford.More Education & Awards
Dr. Callahan has 1 hospital affiliations:
- Walter Reed Army Medical Center
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- Additional Information
- Where does Dr. Charles W. Callahan practice?
Dr. Charles Callahan practices Pediatrics and Pediatric Pulmonology near Tripler Army Medical Center, HI.
See Tripler Army Medical Center Pediatricians and Tripler Army Medical Center Pediatric Specialists.
- Similar Physician Names
- Dr. Carl Callahan, Dr. Carlo Callahan, Dr. Carlos Callahan, Dr. Charley Callahan