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. Daniel Callahan:
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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. Daniel Callahan is Excellent.
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Specialties & Research
Dr. Daniel Callahan, MD is board certified in Pulmonary Disease.
- He has special expertise in 4 areas:
- Chronic Obstructive Pulmonary Disease (COPD)
- Respiratory Failure
Education & Awards
Dr. Callahan graduated from Medical College of Georgia, Augusta. He has 4 awards.
Dr. Callahan has 5 hospital affiliations:
- Northside Hospital
- Northside Forsyth Hospital
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- Additional Information
- Where does Dr. Daniel F. Callahan practice?
Dr. Daniel Callahan practices Pulmonary Disease near Roswell, GA.
Additional practice locations include: Atlanta, GA.
See Roswell Pulmonologists.