Faculty

Cynthia Smith MD

Chair Department of Urology
Residency Program Director
Professor

Dr. Smith sees patients at the Bernhard Mittemeyer Clinic at TTUHSC. She is a board-certified urologist fellowship trained in pediatric urology. Her clinical interests include pediatric urology, urodynamics and voiding dysfunction, neurogenic bladder and urologic ultrasound.

J. Thomas Cammack MD

Associate Chair
Professor
Director of Robotics Program University Medical Center

Dr. Cammack is a general urologist who sees patients at the Bernhard Mittemeyer Clinic at TTUHSC. His clinical interests include stones, BPH, oncology and robotic surgery.

Werner de Riese MD, PhD

Professor Department of Urology

Dr. DeRiese sees patients at Bernard Mittemeyer Clinic at TTHUSC where he specializes in urologic oncology and renal transplant. 

Allan Haynes MD

Associate Dean Office of Faculty Affairs and Development
Operating Room Medical Director University Medical Center
Professor Department of Urology,
Academy of Communication in Healthcare Instructor

Dr. Haynes is a general urologist who sees patients at the Bernhard Mittemeyer Clinic at TTUHSC. His interests include faculty development and resident education and instruction.

Melissa T. Sanford MD

Assistant Resident Director
Assistant Professor
UMC Endowment of Excellence Professorship
Division Chief of Female Pelvic Medicine and Reconstructive Surgery
Academy of Communication in Healthcare Instructor

Dr. Sanford sees patients at the Bernhard Mittemeyer Clinic at TTUHSC and UMC Southwest Medical Clinic. She is a board certified urologist fellowship trained in pelvic medicine and reconstructive surgery. Her clinical interests include pelvic organ prolapse, urinary incontinence, genitourinary reconstruction, and neurogenic bladder.

Pranav Sharma MD

Associate Professor
Clinical Medical Director
Division Chief of Urologic Oncology
Affiliate Southwest Cancer Center University Medical Center

Dr. Sharma sees patients at the Bernhard Mittemeyer Clinic at TTUHSC.  He is a board-certified urologist fellowship trained in urologic oncology. His clinical interests include bladder, prostate, kidney, testicular, penile, and adrenal cancers as well as retroperitoneal sarcomas.

Matthew Timberlake MD

Assistant Program Director
Assistant Professor Department of Urology
Assistant Professor Department of Pediatrics
 Division Chief of Pediatric Urology

Dr. Timberlake sees patients at Covenant Children’s Hospital. He is a board-certified urologist fellowship trained in pediatric urology. His clinical interests include robotic and minimally invasive surgery, congenital urinary tract obstruction, undescended testes, vesicoureteral reflux, hypospadias, neurogenic bladder, pediatric renal tumors, perinatal urology, and complex reconstructive urologic surgery.

Andrea B. Hirsch FNP-C

Nurse Practitioner

Ms. Hirsch sees patients at the Bernhard Mittemeyer Clinic at TTUHSC. She is a board certified urologic nurse practitioner with over 15 years of experience. She enjoys seeing both adults and children. Her clinical interests include urinary tract infections, urinary incontinence, nocturnal enuresis, voiding dysfunction, nephrolithiasis, and benign prostatic hypertrophy.

Melissa Bowyer, APRN, FNP-C

Nurse Practitioner

Melissa Bowyer is a family nurse practitioner who sees adult patients at the Bernhard Mittemeyer Clinic at TTUHSC. Melissa provides general urologic care but specializes in men’s sexual health and hormone optimization. She is a passionate educator and a compassionate clinician who works alongside each patient to help them identify and achieve their sexual and urinary health goals and improve their quality of life. 

Kristen Sharma, FNP-BC

Nurse Practitioner

Mrs. Sharma sees patients at the UMC Southwest Medical Clinic. She is a certified family nurse practitioner. Her clinical interests include recurrent urinary tract infections, urinary incontinence, pelvic organ prolapse, and neurogenic bladder. 

Mariana Moncrief, PA-C

Physician Assistant

Mariana Moncrief is a physician assistant that assists in robotic surgery, performs bedside procedures, and manages inpatient care. Mariana has interests in women's sexual health and urologic oncology. She serves as a preceptor to physician assistant students and enjoys teaching.