Ajith P. Nair, MD

Charles H. Hallman, M.D. received the Doctor of Medicine degree from Baylor College of Medicine, Houston, Texas in 1984 after receiving a BA degree with highest honors from The University of Texas at Austin in 1981. Upon completion of a Surgical Internship at Ben Taub General Hospital in Houston, Texas (1985-1986), he completed a General Surgery Residency at Baylor College of Medicine Affiliated Hospitals, Houston, Texas (1986-1990). Dr. Hallman completed a Thoracic and Cardiovascular Surgery Residency (1990-1992) at the Texas Heart Institute, Houston, Texas.

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Texas Heart Institute Positions

  • Teaching Staff, Cardiovascular Disease Fellowship
  • Teaching Staff, Advanced Heart Failure and Transplant Cardiology Fellowship


  • Congestive Heart Failure
  • Cardiac Transplantation
  • Mechanical Assist Devices
  • Pulmonary Hypertension
  • General Cardiology


  • Undergraduate:

    University of Texas at Austin

  • Medical School:

    University of Texas Southwestern

  • Internship:

    Mount Sinai Hospital

  • Residency:

    Mount Sinai Hospital

  • Fellowships:

    Mount Sinai Hospital

Academic & Clinical Affiliations


  • Internal Medicine, American Board of Internal Medicine
  • Cardiovascular Diseases, American Board of Internal Medicine
  • Advanced Heart Failure and Transplant, Cardiology American Board of Internal Medicine

Honors, Awards and Memberships


Recent News

Preoperative Hyponatremia Predicts Poorer Long-Term Survival in Patients Receiving LVADs

With the constant goal of improving treatment for patients with heart failure, clinical investigators at Texas Heart Institute and Baylor...

Honors and Presentations at This Year’s AATS Mechanical Circulatory Support Symposium

Texas Heart Institute (THI) has long been considered a leader in mechanical circulatory support device research and innovation. In recognition...