For urological care in Chula Vista's Eastlake area, Douglas J. Darlin, MD, practices through the Sharp Rees-Stealy Otay Ranch medical center on East Palomar Street within the Otay Ranch corridor. The third-floor urology suite shares the 1400 East Palomar campus with an on-site Sharp Rees-Stealy Otay Ranch Pharmacy, streamlining prescription fulfillment for alpha-blocker and 5-alpha-reductase inhibitor regimens prescribed after consultation. Board-certified by the American Board of Urology, Darlin graduated from Loyola University Chicago Stritch School of Medicine in 1988 and completed urology residency at Kaiser Permanente Southern California in 1994. Pre-procedural laboratory panels for PSA, creatinine, and urinalysis route through Quest Diagnostics to expedite diagnostic workflows ahead of cystoscopy and lithotripsy scheduling. Clinical focus areas include bladder, kidney, and prostate malignancies alongside incontinence management and extracorporeal shock-wave lithotripsy for renal calculi exceeding five millimeters in diameter.