Inova Urology - Fair Oaks
3650 Joseph Siewick Dr. Suite 305 Fairfax, VA 22033
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Fax: 571-665-6770
Sun Closed
Mon 9:00AM-5:00PM
Tue 9:00AM-5:00PM
Wed 9:00AM-5:00PM
Thu 9:00AM-5:00PM
Fri 9:00AM-5:00PM
Sat Closed

Leaders in Urologic Specialty Care

Inova Urology provides compassionate, patient-centered healthcare and innovative treatments for urologic conditions within our community and beyond. With specialized training, our providers offer thorough evaluation and advanced treatment options for a broad spectrum of genitourinary health issues. Our team is deeply committed to patient care, education, and research, driving advancements in the understanding and treatment of urologic diseases.

Our services

Inova Urology offers advanced techniques for the evaluation and management of genitourinary conditions. This includes:

  • Minimally invasive robotic surgery for the treatment of benign and malignant conditions of the kidneys, adrenal glands, prostate and bladder
  • Comprehensive evaluation of urinary incontinence and dysfunction through video urodynamic testing and both surgical and nonsurgical treatment options
  • Benign prostatic hyperplasia treatments ranging from medical therapy to surgical techniques such as prostatic urethral lift, transurethral resection of the prostate, holmium laser enucleation of the prostate and robotic simple prostatectomy
  • Elevated prostate-specific antigen (PSA) evaluation with MRI fusion prostate biopsies and advanced genomic testing
  • Treatment for men's health conditions such as Peyronie’s disease, surgical and medical management of erectile dysfunction, and testosterone replacement
  • Kidney and bladder stone prevention and treatment with laser lithotripsy, ureteroscopy, extracorporeal shockwave lithotripsy and percutaneous nephrolithotomy
  • Urologic reconstructive surgery
  • Urologic scrotal surgery for testicular masses and scrotal swelling (e.g., hydroceles, spermatoceles)
  • Adult circumcision
  • Elective sterilization evaluation and treatment with vasectomy

Inova Urology also works closely with their colleagues in medical and radiation oncology to provide multidisciplinary, comprehensive cancer care for kidney, ureter, bladder, prostate, urethral, testicular and adrenal cancers.

Our commitment to education and advancement of knowledge

Several of our providers are actively involved in research and education, holding faculty positions at the University of Virginia. They contribute to the education of students and participate in training family medicine residents.

Learn more about Inova’s Genitourinary Cancer Program.

Meet our team

Brian DeCastro, MD
Brian J. DeCastro, MD
Years of Experience
Robert Hart, MD
Robert R. Hart, MD
Years of Experience
Jonathan Mobley, MD
Jonathan M. Mobley, MD
Clinical Interests
Kidney Cancer, Minimally Invasive Surgery, Prostate Cancer, Robotic Surgery
Years of Experience
Michael Helbig, MD
Michael W. Helbig, MD
Years of Experience
Roula Dandalides, DNP, FNP
Roula S. Dandalides, DNP, FNP
Family Nurse Practitioner
Waleed Eisa, MD
Waleed A. Eisa, MD
Years of Experience

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