Southeast Texas Urology Associates, LLP

Our Physicians

Our medical team includes the following physicians:


A urologist is a physician who has specialized knowledge and skill regarding problems of the male and female urinary tract and the male reproductive organs. Urology is a surgical specialty. Urologists are trained to provide both medical and surgical treatment.

As specialists practicing together, we share on call duties to ensure that a urologist is always available to you for emergencies. We also consult each other about cases so that you benefit from our combined knowledge.

J. Denton Harris IV, M.D.
Board-certified Urologist J. Denton Harris IV, M.D.

Dr. J. Denton Harris IV is a graduate of Rice University and the University of Texas Southwestern Medical School in Dallas. Dr. Harris interned at Parkland Memorial Hospital in Dallas and completed his residency at the University of Texas Medical School at Houston affiliated hospitals. He has been certified by the American Board of Urology since 1982. Dr. Harris is published in the journals Urology and Investigative Urology. A native of Dayton, Texas, he is married and has three children.

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John A. Henderson IV, M.D.
Board-certified Urologist John A. Henderson IV, M.D.

Dr. John A. Henderson IV is a graduate of Baylor University and the University of Texas Medical Branch at Galveston. Dr. Henderson interned and completed his residency at the University of Texas Medical Branch at Galveston. He has been certified by the American Board of Urology since 1988. Dr. Henderson is published in the Journal of Pediatric Surgery. A native of Beaumont, Texas, he is married and has four children.

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Jenny N. Nguyen, M.D.
Board-eligible Urologist Jenny N. Nguyen, M.D.

Dr. Jenny Nguyen is a graduate of The University of Texas in Austin with a degree in Biology. She is a graduate of the University of Texas Medical School in Houston. Dr. Nguyen interned at the University of Texas Medical School in General Surgery. She was a Chief Resident during her Residency in Urology at the University of Texas Medical School. Dr. Nguyen completed a Clinical Fellowship at Columbia University Irving School Medical Center in New York, New York, in female urology. While at Columbia she was an Assistant Attending in Clinical Urology. Dr. Nguyen is published in Prostate Cancer and Prostatic Diseases.

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