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 4 of 4 stars
The overall average patient rating of Dr. David Callahan is Excellent.
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Specialties & Research
Dr. David Callahan, DO is board certified in Internal Medicine and Critical Care Medicine.
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Education & Awards
Dr. Callahan graduated from Philadelphia College of Osteopathic Medicine.More Education & Awards
Dr. Callahan has 3 hospital affiliations:
- Christiana Care Health Services
- Jennersville Regional Hospital
- Wilmington Hospital
Accepted Insurance Plans
Dr. Callahan accepts these health insurances in at least one office:
- United Healthcare - 4 plans
- Highmark Blue Cross Blue Shield - 5 plans
- Unicare - 13 plans
- Evercare - 3 plans
- Humana - 6 plans
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- Additional Information
- Where does Dr. David M. Callahan practice?
Dr. David Callahan practices Internal Medicine, Critical Care Medicine, Geriatric Medicine, Pulmonary Disease, Critical Care Medicine, Geriatric Medicine, and Critical Care Medicine near West Grove, PA.
See West Grove Internists, West Grove Critical Care Practitioners, West Grove Geriatric Doctors, West Grove Pulmonologists, West Grove Urgent Care Centers, and West Grove Family Physicians.