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Cardiothoracic Surgeon, Surgical Specialist
30 years of experience
Accepting new patients
Video profile
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. John Calhoon:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. John Calhoon is Good. Dr. Calhoon has been reviewed by 9 patients who have provided 1 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 4.3
Courteous Staff 3.7
Accurate Diagnosis 5.0
Bedside Manner 4.3
Spends Time with Me 4.3
Follows Up After Visit 3.7

Specialties & Research

Dr. John Calhoon, MD is board certified in Thoracic Surgery (Cardiothoracic Vascular Surgery).

  • He has special expertise in 12 areas:
  • Aspergillosis
  • Cardiac Surgical Procedures
  • Cardiopulmonary Bypass (CPB)
  • Coronary Artery Bypass (Heart Bypass)
  • Heart Injuries
  • Heart Surgery (Cardiovascular Surgical Procedures)
  • Heart Transplantation
  • Lung Transplantation
  • Nonpenetrating Wounds
  • Obstructive Lung Diseases
  • Penetrating Wounds
  • Thoracic Injuries

Education & Awards

Dr. Calhoon graduated from Baylor College of Medicine, Houston. He has 4 awards.

One of America's Leading Experts on:
Cardiopulmonary Bypass
Lung Transplantation
Thoracic Injuries
Castle Connolly America's Top Doctors® (2004 - 2008, 2010 - 2015)


Dr. Calhoon has 10 hospital affiliations:

  • South Texas Regional Medical Center 
  • CHRISTUS Santa Rosa Hospital 


  • English
  • Spanish

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Additional Information
Dr. John Calhoon MD is a male Cardiothoracic Surgeon, has 30 years of experience and practices in Thoracic Surgery and Cardiothoracic Vascular Surgery.
Where does Dr. John Calhoon practice?
Dr. John Calhoon has 1 office location.
Dr. John Calhoon practices Thoracic Surgery and Cardiothoracic Vascular Surgery near San Antonio, TX.
See San Antonio Cardiothoracic Surgeons.