Our Doctors


J. Brantley Thrasher, M.D., F.A.C.S.

Professor and William L. Valk Chair of Urology
Fellow of the American College of Surgeons (FACS)
Trustee, American Board of Urology (ABU)
South Central Section Representative to the American Urological Association (AUA)
AUA Board of Directors

Specialist in:

  • Urologic Cancer Surgery
  • Robotic Minimally Invasive Surgery
  • Reconstructive Surgery



Tomas L. Griebling, M.D., M.P.H., F.A.C.S.

John P. Wolf 33° Masonic Distinguished Professor of Urology
Fellow of the American College of Surgeons
Diplomate American Board of Urology
Professor and Vice-Chair - Department of Urology
Faculty Associate - The Landon Center on Aging
Assistant Dean for Student Affairs, and Director - Orr Academic Society
Urology Residency Program Director

Specialist in:

  • Female Urology
  • Neurourology
  • Urinary Incontinence
  • Interstitial Cystitis
  • Geriatric Urology 



Priya Padmanabhan, M.D., M.P.H

Assistant Professor of Urology
Diplomate American Board of Urology



Specialist in:

  • Female Urology
  • Female Reconstruction
  • Female and Male Incontinence
  • Neurourology



Joshua A Broghammer, M.D., F.A.C.S.

Assistant Professor of Urology
Fellow of the American College of Surgeons (FACS)
Diplomate American Board of Urology

Specialist in:

  • Genitourinary Trauma and Reconstruction
  • Urethral Strictures
  • Male Incontinence



Jeffrey Maxwell Holzbeierlein, M.D., F.A.C.S.

Associate Professor of Urology
John W. Weigel Distinguished Professor of Urology
Director of Clinical Research and High Risk Prostate Cancer
Fellow of the American College of Surgeons (FACS)
Diplomate American Board of Urology

Specialist in:

  • Urologic Cancer Surgery
  • Robotic Minimally Invasive Urologic Surgery
  • Prostate Cancer Research



David A. Duchene, M.D.

Associate Professor of Urology
Director, Minimally Invasive Urological Surgery Lab
Diplomate American Board of Urology

Specialist in:

  • Urologic Cancer Surgery
  • Robotic Minimally Invasive Urologic Surgery
  • Adrenal Disorders
  • Renal Reconstruction
  • Kidney Stones



Moben Mirza, M.D.

Assistant Professor of Urology
Diplomate of the American Board of Urology



Specialist in:

  • Urologic Cancer Surgery
  • Robotic Minimally Invasive Urologic Surgery



Ajay K. Nangia, MBBS, F.A.C.S.

Associate Professor of Urology
Director of Andrology and Associate Program Director for Urology Residency Training
Fellow of the American College of Surgeons (FACS)
Diplomate American Board of Urology

Specialist in:

  • Male Infertility
  • Microsurgical Reconstruction / Vasectomy Reversal
  • Men's Sexual Health
  • Male Contraception
  • Kidney Stones



John W. Weigel, M.D., F.A.C.S.

Professor of Urology
Fellow of the American College of Surgeons (FACS)
Diplomate American Board of Urology


Specialist in:

  • General Urology



Paul Christenson, M.D., F.A.C.S.

Associate Professor of Urology
Fellow of the American College of Surgeons (FACS)
Diplomate American Board of Urology


Specialist in:

  • General Urology
  • Female Urology
  • Kidney Stones



John M. Gatti, M.D., F.A.A.P.

Assistant Clinical Professor of Urology
Diplomate American Board of Urology


Specialist in:

  • Pediatric Urology
  • Pediatric Robotic Surgery 



J. Pat Murphy, M.D., F.A.A.P., F.A.C.S.

Clinical Professor of Urology
Diplomate American Board of Urology


Specialist in:

  • Pediatric Urology



Benyi Li, M.D., PhD.

Assistant Professor of Urology
Director of Basic Science Research
Prostate Cancer Research






Dev Karan, PhD.

Assistant Professor
Department of Urology and VA Medical Center
Kansas Mesonic Cancer Research Institute






Marilyn Labinski, RN

Clinical Research Nurse