Accepting New Patients
All Surgeons Are Board Certified
Appointments Are Readily Available
Accepting New Patients
All Surgeons Are Board Certified
Appointments Are Readily Available
Heart Surgeons — Charles H. Hallman, M.D., F.A.C.S. in Houston, TX
Charles H. Hallman, M.D.
832-355-4332
Thoracic Surgery — James J. Livesay, M.D., F.A.C.S. in Houston, TX
James J. Livesay, M.D.
832-355-4976


Accepting New Patients
All Surgeons Are Board Certified
Appointments Are Readily Available
Cardiovascular Surgery — Jennifer Cozart, M.D., F.A.C.S., F.A.C.C. in Houston, TX
Jennifer Cozart, M.D.
832-355-5619
Heart Surgeons — Charles H. Hallman, M.D., F.A.C.S. in Houston, TX
Charles H. Hallman, M.D.
Thoracic Surgery — James J. Livesay, M.D., F.A.C.S. in Houston, TX
James J. Livesay, M.D.
832-355-4976
Cardiovascular Surgery — Jennifer Cozart, M.D., F.A.C.S., F.A.C.C. in Houston, TX
Jennifer Cozart, M.D.
832-355-5619
Heart Surgeons — Charles H. Hallman, M.D., F.A.C.S. in Houston, TX
Charles H. Hallman, M.D.
832-355-4332
Thoracic Surgery — James J. Livesay, M.D., F.A.C.S. in Houston, TX
James J. Livesay, M.D.
832-355-4976

Meet Our Surgeons

Cardiovascular Surgery — Jennifer Cozart, M.D., F.A.C.S., F.A.C.C. in Houston, TX

Jennifer R. Cozart, M.D., F.A.C.S.

Medical School: The University of Texas Medical Branch, Galveston, Texas, 2003 

Specialty Training: The University of Texas Medical Branch, Texas Heart Institute and Baylor College of Medicine, Houston

Certification: American Board of Surgery; American Board of Thoracic Surgery

Academic Appointment: Clinical Assistant Professor, Baylor College of Medicine, Houston
 Jennifer R. Cozart, M.D. (formerly Del Prete) is a highly skilled surgeon with extensive experience in cardiovascular, thoracic and general surgery procedures. Her practice encompasses all aspects of these fields, with a special focus on minimally invasive cardiothoracic and endovascular techniques. She is also committed to raising the awareness of and treating cardiovascular disease in women.

Dr. Cozart, holds a medical staff appointment at Baylor St. Luke's Medical Center and Texas Heart Institute in Houston. She received her Doctor of Medicine degree from The University of Texas Medical Branch at Galveston, Texas in 2003 after receiving a Bachelor of Arts degree in 1998 from The University of Texas at Austin. Upon completion of a General Surgery Residency at The University of Texas Medical Branch in 2008, she completed a Cardiothoracic and Vascular Surgery Residency at the Texas Heart Institute and Baylor College of Medicine.

She is board certified by the American Board of Surgery and licensed to practice medicine by the State of Texas. Dr. Cozart is a Fellow of the American College of Surgeons and a Fellow of the American College of Cardiology. She is also an active member of numerous medical and scientific societies including the American Medical Association,Texas Medical Association, Society of American Gastrointestinal and Endoscopic Surgeons (SAGES), the Denton A. Cooley Cardiovascular Surgical Society, Society of Thoracic Surgery, and Women in Thoracic Surgery.

Charles H. Hallman, M.D., F.A.C.S.

Heart Surgeons — Charles H. Hallman, M.D., F.A.C.S. in Houston, TX
Medical School: Baylor College of Medicine, Houston, Texas, 1984

Specialty Training: Texas Heart Institute, Baylor Affiliated Hospitals, Houston

Certification: American Board of Surgery, American Board of Thoracic Surgery

Academic Appointment: Clinical Professor, University of Texas Medical School, Houston
Charles H. Hallman, M.D. is a highly skilled, experienced and respected cardiovascular and thoracic surgeon at the Texas Heart Institute. He performs cardiac, aortic, vascular and thoracic surgeries on patients from all over the world. He has been a member of the Texas Heart Institute Surgical Staff since 1992.

Dr. Hallman received his undergraduate degree with high honors from the University of Texas at Austin in 1981. He graduated from Baylor College of Medicine in 1984. He then completed a five-year residency in general surgery at Baylor’s affiliated hospitals. In 1992 he graduated from Dr. Denton A. Cooley’s Texas Heart Program as a cardiovascular surgeon.

He is Board Certified both in General Surgery and Thoracic Surgery, and he is also the Director of the Cardiovascular Fellowship Program at the Texas Heart Institute.

James J. Livesay, M.D., F.A.C.S.

Thoracic Surgery — James J. Livesay, M.D., F.A.C.S. in Houston, TX
Medical School: Baylor College of Medicine, Houston, Texas, 1973 

Specialty Training: Texas Heart Institute; UCLA Center for Health Sciences; M.D. Anderson Cancer Center, Houston 

Certification: American Board of Surgery (certified in General Vascular Surgery); American Board of Thoracic Surgery

Academic Appointment: Clinical Professor, University of Texas Medical School, Houston
James J. Livesay, M.D. is an accomplished surgeon with extensive experience in cardiovascular, thoracic, and general procedures. An Associate Surgeon at the Texas Heart Institute (THI), Houston, Texas, since 1981, Dr. Livesay is also an Associate Surgeon at Baylor St. Luke's Medical Center, Houston, Texas, and is on the Consulting Staff, Cardiovascular Service, Texas Children's Hospital, Houston, from that time. He was a member of the Active Staff, General Surgery and Thoracic and Cardiac Surgery, Gulf Coast Hospital, Wharton, Texas, from 1989 to 2013, and held a Courtesy Staff position in General Surgery and Thoracic and Cardiac Surgery at Hermann Hospital, Houston, Texas from 1982 to 1998. He is Clinical Associate Professor of Surgery, University of Texas Medical School, Houston, Texas.

James J. Livesay, M.D. received the Doctor of Medicine degree from Baylor College of Medicine, Houston Texas, which he attended 1969-1973 after graduating (B.S. Cum Laude) from Washington and Lee University, Lexington, Virginia, in 1969. Dr. Livesay did his internship and surgery residency training at University of California Los Angeles Center for Health Sciences 1973-1975. He then did a Research Fellowship in Cardiac Physiology at the University of California Los Angeles, Division of Cardiovascular Surgery from 1975 to 1976, becoming Resident and Chief Resident in Surgery, University of California Los Angeles Center for Health Sciences, a position he held from 1976 to 1979. He also completed a Residency training in Thoracic and Cardiovascular Surgery at the Texas Heart Institute, and M.D. Anderson Hospital and Tumor Institute, Houston, Texas, from 1979 to 1981.

Dr. Livesay is certified by the American Board of Surgery (1980, 1989) and by the American Board of Thoracic Surgery (1983, 1993), and is licensed by the State of Texas and the State of California. He is a Fellow of the American College of Surgeons and a Fellow of the American College of Cardiology. He is also a member of the American Medical Association, Texas Medical Association, Harris County Medical Association, Harris County Cardiology Society, American Heart Association Council on Cardiovascular Surgery, Denton A. Cooley Cardiovascular Surgical Society, Cooley Hands, M.D. Anderson Associates, The International Society for Cardiovascular Surgery, Southern Thoracic Surgical Association, and The Society of Thoracic Surgeons.
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