Robert S Callahan is a Family Medicine Physician based in Bear, DE. Robert S Callahan practices in Newark, DE and has the professional credentials of MD. The NPI Number for Robert S Callahan is 1962491779 and holds a License No. C1-0008123 (Delaware).
The current practice location address for Robert S Callahan is 32 Omega Dr, Newark, DE and can be reached out via phone at 302-731-0942 and via fax at 302-444-8491.
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