Ariel Griffin, PA-c, sees patients for a variety of urologic conditions in Colorado Urology's Boulder office, working closely with Drs. Melouk and Clark. She is passionate about developing a strong patient-provider relationship, delivering exceptional health care especially to underserved populations, and providing patient education with a focus on preventative medicine.

Dr. Koerner's impressive academic career started at Stanford University, where she majored in human biology, swam competitively, and attained All-American both academically and athletically. She was named to the Stanford University Athletic Director's Honor Roll as well as the Pac-10 All-Academic team on numerous occasions.

Colorado Urology's experienced team of urologists and healthcare professionals is dedicated to providing the highest quality care for our patients. Colorado Urology's Boulder clinic offers a range of services, from routine check-ups and preventive care to the diagnosis and treatment of complex urological conditions.

A practicing urologist for over 25 years, Dr. Clark has maintained an up-to-date approach to urologic care. His areas of expertise include cancers of the genitourinary tract (bladder, kidney, prostate, etc), urinary stone disease (kidney, ureter, bladder), neuromodulation (implanting nerve stimulators for bladder dysfunction), and the newest laser techniques for prostate conditions.