Gregory Robert Thoreson, M.D.
Urologist
Dr. Thoreson BPH Webinar
Dr. Thoreson PCa Webinar
Gregory R. Thoreson, MD, FACS is a board-certified urologist specializing in prostate disease, urologic oncology, robotic surgery, men’s health, stone disease, recurrent urinary tract infections, and advanced urologic care. He is a Partner with Urology Clinics of North Texas and is committed to delivering evidence-based, patient-centered care using the latest diagnostic and treatment technologies.
Dr. Thoreson earned his Bachelor of Science in Biochemistry from The University of Texas at Austin and his Doctor of Medicine from The University of Texas Health Science Center at San Antonio. He completed his General Surgery internship and Urology residency at UT Southwestern Medical Center in Dallas.
In addition to his clinical practice, Dr. Thoreson serves as Affiliate Faculty in the Department of Surgery at Dell Medical School at The University of Texas at Austin, Adjunct Assistant Professor in the Erik Jonsson School of Engineering and Computer Science at The University of Texas at Dallas, and Associate Clinical Professor in the Department of Surgery at Texas A&M Health Science Center.
Dr. Thoreson serves as Assistant Director of Genitourinary Research and is a member of the Surgical Quality Assurance Peer Review Committee at Baylor University Medical Center. His leadership roles have included serving as Medical Director of the Department of Clinical Research at Urology Clinics of North Texas. He has served as principal investigator and sub-investigator on numerous clinical trials evaluating therapies for prostate cancer, bladder cancer, benign prostatic hyperplasia (BPH), overactive bladder, and other urologic conditions.
His research interests include the development of next-generation medical technologies, clinical outcomes research, artificial intelligence applications in healthcare, prostate cancer diagnostics, and innovative approaches to improving surgical and perioperative care. He is a co-investigator on an NIH-supported Small Business Technology Transfer (STTR) grant focused on the development of advanced medical device technologies.
Dr. Thoreson has authored peer-reviewed publications in prostate cancer diagnostics, perioperative outcomes, biomarker development, and emerging urologic technologies. He has also served as an invited international lecturer on prostate cancer, participating in programs focused on advances in diagnosis, treatment selection, and emerging therapeutics. He remains actively involved in clinical research and translational collaborations aimed at improving patient outcomes and advancing the future of urologic care.
Dr. Thoreson is a Fellow of the American College of Surgeons and a Diplomate of the American Board of Urology.
Education:
- University of Texas at Austin, Bachelor of Science in Biochemistry
- University of Texas Health Science Center at San Antonio, Doctor of Medicine
- UT Southwestern Medical Center, Internship in General Surgery
- UT Southwestern Medical Center, Residency in Urology
Professional Appointments:
- Partner, Urology Clinics of North Texas
- Former Medical Director, Department of Clinical Research, Urology Clinics of North Texas
- Assistant Director of Genitourinary Research, Baylor Scott & White
- Affiliate Faculty, Department of Surgery, Dell Medical School, The University of Texas at Austin
- Adjunct Assistant Professor, Erik Jonsson School of Engineering and Computer Science, The University of Texas at Dallas
- Associate Clinical Professor, Department of Surgery, Texas A&M Health Science Center
- Member, Surgical Quality Assurance Peer Review Committee, Baylor University Medical Center
- Fellow, American College of Surgeons (FACS)
- Diplomate, American Board of Urology
Research, Clinical Trials, and Innovation:
- Principal Investigator and Sub-Investigator on multiple national and international clinical trials evaluating therapies for prostate cancer, bladder cancer, benign prostatic hyperplasia (BPH), overactive bladder, and advanced urologic disease.
- North Texas Lead Investigator for the WATER IV Clinical Trial evaluating Aquablation therapy in men with localized prostate cancer.
- Co-Investigator on an NIH-funded STTR grant supporting development of next-generation medical device technologies.
- Presenter and author at national and international scientific meetings, including the American Urological Association (AUA), American Society of Clinical Oncology (ASCO), and ASCO Genitourinary Cancers Symposium (ASCO GU).
- Active collaborator with academic and engineering programs focused on medical technology development.
- Ongoing development of prospective clinical research evaluating blood-based screening approaches for the early detection of prostate cancer.
Selected Publications:
- Anderton PD, Waddimba AC, Saed MM, et al. Trends in Perioperative Urinary Catheter Utilization by Surgical Procedure Type in the United States, 2010-2017. World Journal of Surgery. 2026.
- Lazarovich A, Vigneswaran H, Palsdottir T, et al. A Comparison of Stockholm3, Serum Biomarkers, and Risk Calculators to Predict Prostate Cancer in a Racially and Ethnically Diverse Cohort. Journal of Urology. 2025.
- Vigneswaran HT, Eklund M, Discacciati A, et al. Stockholm3 in a Multiethnic Cohort for Prostate Cancer Detection (SEPTA): A Prospective Multicentered Trial. Journal of Clinical Oncology. 2024.
- de Almeida SR Jr, Thomas J, Mason MM, et al. Optimum Threshold of the 4Kscore for Biopsy in Men with Negative or Indeterminate MRI. BJUI Compass. 2023.
- Fulgham P, Barr P, Bowman R, et al. Short-Term Androgen Deprivation Therapy and 18F-Flotufolastat PSMA PET/CT Imaging for Prostate Cancer Staging: A Pilot Study. 2025.
Additional publications available through PubMed: https://pubmed.ncbi.nlm.nih.gov/?term=thoreson+gr
- Prostate Cancer
- Elevated PSA
- Benign Prostatic Hyperplasia (BPH)
- Urinary Retention
- Hematuria (Blood in the Urine)
- Bladder Cancer
- Kidney Cancer
- Kidney Stones
- Overactive Bladder
- Urinary Incontinence
- Recurrent Urinary Tract Infections
- Urethral Stricture Disease
- Erectile Dysfunction
- Peyronie’s Disease
- Low Testosterone
- Male Infertility
- Hydrocele
- Enlarged Prostate
- Complex Voiding Dysfunction
- Men’s Health Conditions
Prostate and BPH Procedures
- Aquablation Therapy
- Robotic Simple Prostatectomy
- MRI Fusion Prostate Biopsy
- Transperineal Prostate Biopsy
- Rezūm™ Water Vapor Therapy
- Transurethral Resection of the Prostate (TURP)
Robotic and Cancer Surgery
- Robotic Radical Prostatectomy
- Robotic Partial Nephrectomy
- Robotic Radical Nephrectomy
- Robotic Reconstructive Surgery
Stone Disease Procedures
- Ureteroscopy with Laser Lithotripsy
- Percutaneous Nephrolithotomy (PCNL)
- Ureteral Stent Placement
- Shock Wave Lithotripsy (ESWL)
Bladder and General Urology Procedures
- Cystoscopy
- Bladder Biopsy
- Transurethral Resection of Bladder Tumor (TURBT)
- Intravesical Botox Therapy
Reconstructive and Men’s Health Procedures
- Optilume® Drug-Coated Balloon Therapy
- Hydrocelectomy
- Vasectomy
Gregory R. Thoreson, MD, FACS is a board-certified urologist specializing in prostate disease, urologic oncology, robotic surgery, men’s health, stone disease, recurrent urinary tract infections, and advanced urologic care. He is a Partner with Urology Clinics of North Texas and is committed to delivering evidence-based, patient-centered care using the latest diagnostic and treatment technologies.
Dr. Thoreson earned his Bachelor of Science in Biochemistry from The University of Texas at Austin and his Doctor of Medicine from The University of Texas Health Science Center at San Antonio. He completed his General Surgery internship and Urology residency at UT Southwestern Medical Center in Dallas.
In addition to his clinical practice, Dr. Thoreson serves as Affiliate Faculty in the Department of Surgery at Dell Medical School at The University of Texas at Austin, Adjunct Assistant Professor in the Erik Jonsson School of Engineering and Computer Science at The University of Texas at Dallas, and Associate Clinical Professor in the Department of Surgery at Texas A&M Health Science Center.
Dr. Thoreson serves as Assistant Director of Genitourinary Research and is a member of the Surgical Quality Assurance Peer Review Committee at Baylor University Medical Center. His leadership roles have included serving as Medical Director of the Department of Clinical Research at Urology Clinics of North Texas. He has served as principal investigator and sub-investigator on numerous clinical trials evaluating therapies for prostate cancer, bladder cancer, benign prostatic hyperplasia (BPH), overactive bladder, and other urologic conditions.
His research interests include the development of next-generation medical technologies, clinical outcomes research, artificial intelligence applications in healthcare, prostate cancer diagnostics, and innovative approaches to improving surgical and perioperative care. He is a co-investigator on an NIH-supported Small Business Technology Transfer (STTR) grant focused on the development of advanced medical device technologies.
Dr. Thoreson has authored peer-reviewed publications in prostate cancer diagnostics, perioperative outcomes, biomarker development, and emerging urologic technologies. He has also served as an invited international lecturer on prostate cancer, participating in programs focused on advances in diagnosis, treatment selection, and emerging therapeutics. He remains actively involved in clinical research and translational collaborations aimed at improving patient outcomes and advancing the future of urologic care.
Dr. Thoreson is a Fellow of the American College of Surgeons and a Diplomate of the American Board of Urology.
Education:
- University of Texas at Austin, Bachelor of Science in Biochemistry
- University of Texas Health Science Center at San Antonio, Doctor of Medicine
- UT Southwestern Medical Center, Internship in General Surgery
- UT Southwestern Medical Center, Residency in Urology
Professional Appointments:
- Partner, Urology Clinics of North Texas
- Former Medical Director, Department of Clinical Research, Urology Clinics of North Texas
- Assistant Director of Genitourinary Research, Baylor Scott & White
- Affiliate Faculty, Department of Surgery, Dell Medical School, The University of Texas at Austin
- Adjunct Assistant Professor, Erik Jonsson School of Engineering and Computer Science, The University of Texas at Dallas
- Associate Clinical Professor, Department of Surgery, Texas A&M Health Science Center
- Member, Surgical Quality Assurance Peer Review Committee, Baylor University Medical Center
- Fellow, American College of Surgeons (FACS)
- Diplomate, American Board of Urology
Research, Clinical Trials, and Innovation:
- Principal Investigator and Sub-Investigator on multiple national and international clinical trials evaluating therapies for prostate cancer, bladder cancer, benign prostatic hyperplasia (BPH), overactive bladder, and advanced urologic disease.
- North Texas Lead Investigator for the WATER IV Clinical Trial evaluating Aquablation therapy in men with localized prostate cancer.
- Co-Investigator on an NIH-funded STTR grant supporting development of next-generation medical device technologies.
- Presenter and author at national and international scientific meetings, including the American Urological Association (AUA), American Society of Clinical Oncology (ASCO), and ASCO Genitourinary Cancers Symposium (ASCO GU).
- Active collaborator with academic and engineering programs focused on medical technology development.
- Ongoing development of prospective clinical research evaluating blood-based screening approaches for the early detection of prostate cancer.
Selected Publications:
- Anderton PD, Waddimba AC, Saed MM, et al. Trends in Perioperative Urinary Catheter Utilization by Surgical Procedure Type in the United States, 2010-2017. World Journal of Surgery. 2026.
- Lazarovich A, Vigneswaran H, Palsdottir T, et al. A Comparison of Stockholm3, Serum Biomarkers, and Risk Calculators to Predict Prostate Cancer in a Racially and Ethnically Diverse Cohort. Journal of Urology. 2025.
- Vigneswaran HT, Eklund M, Discacciati A, et al. Stockholm3 in a Multiethnic Cohort for Prostate Cancer Detection (SEPTA): A Prospective Multicentered Trial. Journal of Clinical Oncology. 2024.
- de Almeida SR Jr, Thomas J, Mason MM, et al. Optimum Threshold of the 4Kscore for Biopsy in Men with Negative or Indeterminate MRI. BJUI Compass. 2023.
- Fulgham P, Barr P, Bowman R, et al. Short-Term Androgen Deprivation Therapy and 18F-Flotufolastat PSMA PET/CT Imaging for Prostate Cancer Staging: A Pilot Study. 2025.
Additional publications available through PubMed: https://pubmed.ncbi.nlm.nih.gov/?term=thoreson+gr
- Prostate Cancer
- Elevated PSA
- Benign Prostatic Hyperplasia (BPH)
- Urinary Retention
- Hematuria (Blood in the Urine)
- Bladder Cancer
- Kidney Cancer
- Kidney Stones
- Overactive Bladder
- Urinary Incontinence
- Recurrent Urinary Tract Infections
- Urethral Stricture Disease
- Erectile Dysfunction
- Peyronie’s Disease
- Low Testosterone
- Male Infertility
- Hydrocele
- Enlarged Prostate
- Complex Voiding Dysfunction
- Men’s Health Conditions
Prostate and BPH Procedures
- Aquablation Therapy
- Robotic Simple Prostatectomy
- MRI Fusion Prostate Biopsy
- Transperineal Prostate Biopsy
- Rezūm™ Water Vapor Therapy
- Transurethral Resection of the Prostate (TURP)
Robotic and Cancer Surgery
- Robotic Radical Prostatectomy
- Robotic Partial Nephrectomy
- Robotic Radical Nephrectomy
- Robotic Reconstructive Surgery
Stone Disease Procedures
- Ureteroscopy with Laser Lithotripsy
- Percutaneous Nephrolithotomy (PCNL)
- Ureteral Stent Placement
- Shock Wave Lithotripsy (ESWL)
Bladder and General Urology Procedures
- Cystoscopy
- Bladder Biopsy
- Transurethral Resection of Bladder Tumor (TURBT)
- Intravesical Botox Therapy
Reconstructive and Men’s Health Procedures
- Optilume® Drug-Coated Balloon Therapy
- Hydrocelectomy
- Vasectomy
