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 Callanan:
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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. David Callanan is Excellent.
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Specialties & Research
Dr. David Callanan, MD is board certified in Ophthalmology.
He has special expertise in 4 Areas, including Reiter`s Syndrome Reactive Arthritis, Retina Surgery, and Retinal Disorders.1 more special expertise area
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Education & Awards
Dr. Callanan graduated from University of Iowa, Iowa City. He has 2 awards.
Dr. Callanan has 13 hospital affiliations:
- Medical City Dallas Hospital
- Harris Methodist H E B
Accepted Insurance Plans
Dr. Callanan accepts these health insurances in at least one office:
- United Healthcare - 14 plans
- Great-West Healthcare - 3 plans
- Unicare - 2 plans
- Blue Cross Blue Shield of Texas - 2 plans
- Humana - 2 plans
- Cigna - 3 plans
- USA H & W Network - 1 plan
- Superior Health Plan - 1 plan
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