Our dedicated providers maintain a patient-centered approach to medicine and offer treatment options for urologic cancers, kidney stones and incontinence. The most rewarding aspect is helping to improve a patient's overall quality of life. Fauquier Health Urology offers telemedicine services to provide "virtual" care visits to patients in need of care. Given the current environment of COVID-19, social distancing is a new norm. Telemedicine services makes this possible. Patients should not wait for care.

Appointments may be made by calling 540.316.5670 or Schedule an Appointment Online.

Telemedicine appointments are available by phone. Call us today and ask to see if telemedicine is right for you.


Medical Staff

Dr. Brian DeCastro
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Dr. Brian DeCastro

Dr. Brian DeCastro is a skilled urologist, equipped with a patient care philosophy of “the patient comes first." While he enjoys all aspects of urology, Dr. DeCastro is particularly interested in the prevention and management of kidney stones, advancements in testosterone replacement and any area that allows him to improve his patients’ quality of life. As a former Army service member, Dr. DeCastro understands the importance of a supportive community and brings a level of warmth and professionalism to every procedure he is a part of.

Education and Training

After earning his Doctor of Medicine degree from SUNY Upstate Medical University in 2002, Dr. DeCastro completed his internship and residency program in general surgery and urology at Madigan Army Medical Center in Tacoma, Washington. Dr. DeCastro served as Chief of Urology at Winn Army Community Hospital in Fort Stewart Georgia for the past five years. He is board certified in urology.

Dr. Kathryn Sullivan
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Dr. Kathryn Sullivan

As a major in the United States Air Force, Dr. Sullivan was a caring and compassionate physician for active duty military and their dependents.  While many people think of urologists as only treating men, she clarifies, “Women, like men, can have kidney stones, bladder cancer, kidney cancer, and incontinence.”  Dr. Sullivan focuses on providing excellent, patient-centered care, every day.

Education and Training

After earning her Doctor of Medicine degree from the George Washington School of Medicine in 2005, Dr. Sullivan completed the University of Colorado Hospital Internship and Residency Program.  She served as the Chief of Urology at Travis Air Force Base in California for three years. She is board certified in Urology.


  • Bladder Cancer
  • Bladder Sling Surgery
  • Cystoscopy
  • Erectile Dysfunction
  • Hematuria/Blood in Urine
  • Incontinence
  • Incontinence/Overactive Bladder
  • Kidney Stones/Lithotripsy
  • Lithotripsy
  • Low Testosterone/Testosterone Replacement
  • Male Infertility
  • Pelvic Floor Disorder
  • Prostate/PSA Disorders           
  • Prostate Cancer
  • Testicluar Cancer/Testicular Pain
  • Vasectomy
  • Vasectomy Reversal

Hours of Operation

  • Monday–Friday 8am – 4:30pm

Location and Contact

210 W. Shirley Ave., Suite 159
Warrenton, VA 20186