As a urologist, Dr. David Chang is highly trained to treat disorders of the male and female urinary tract (bladder, ureter, kidney, and urethra) and the male reproductive system. Urology is classified as a surgical subspecialty, but since a wide variety of clinical problems are encountered when treating urological conditions, knowledge of internal medicine, pediatrics, gynecology, and other specialties is required.

Dr. Chang treats a variety of urological conditions including the following:

• Adrenal cancer
• Benign prostatic hyperplasia (BPH; enlarged prostate)
• Bladder cancer
• Bladder control problems
• Erectile dysfunction/impotence
• Female sexual dysfunction
• Hematuria (blood in urine)
• Interstitial cystitis
• Kidney cancer
• Kidney stones
• Male infertility
• Peyronie's disease
• Prostate cancer
• Prostatitis
• Sexually transmitted diseases (STDs)
• Testicular cancer
• Testosterone deficiency
• Upper tract tumors
• Urethral and penile cancer
• Urinary incontinence
• Urinary tract infection
• Varicocele
• Vasectomy