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License & Identifications

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. Robert Callahan:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Robert Callahan is Average. Dr. Callahan has been reviewed by 3 patients who have provided 0 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 5.0
Courteous Staff 3.0
Accurate Diagnosis 3.0
Bedside Manner 3.0
Spends Time with Me 3.0
Follows Up After Visit 1.0

Specialties & Research

Dr. Robert Callahan, MD is board certified in Surgery.

Education & Awards

Dr. Callahan graduated from Saint Louis University.


Dr. Callahan has 11 hospital affiliations:

  • East Texas Medical Center-Tyler 
  • East Texas Medical Center-Carthage 


  • Spanish

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Additional Information
Dr. Robert G Callahan MD is a male Surgeon, has 35 years of experience and practices in Surgery.
Where does Dr. Robert G. Callahan practice?
Dr. Robert Callahan has 2 office locations.
Dr. Robert Callahan practices Surgery near Carthage, TX.
Additional practice locations include: Rayville, LA.
See Carthage Surgeons.