Barbara Ann Callahan, RN, CRNFA is a Registered Nurse - General practicing in Austin, TX
She has not yet shared a personalized biography with Doctor.com.
Accepts New Patients: Yes
Barbara Ann Callahan, RN, CRNFA has not yet listed the medications that she commonly prescribes.
Barbara Ann Callahan, RN, CRNFA has not yet specified the insurance plans she accepts.