Phone: 303-985-2550
Fax: 303-985-2586


At Foothills Urology, patients never walk their path alone –we guide them through their urology care from the first office visit to the last.

Our board certified physicians and medical staff are committed to providing the finest quality care in a compassionate, unhurried and comfortable environment.  As a team, we deliver personalized care to each of our patients.  We offer patient options and explain the processes of each procedure so they always know what to expect.

Our state of the art offices are located in the beautiful Red Rocks Medical Center, which provides an on-site surgery center and imaging center.

We treat many conditions including:

  • Urologic Oncology – including prostate, bladder and kidney cancer
  • Male Conditions – including enlarged prostate (BPH), elevated PSA, low testosterone and impotence
  • Female Conditions – including urinary tract infections, stress incontinence and pelvic floor prolapse
  • Incontinence and Voiding Dysfunction
  • Kidney Stones

Our board-certified physicians have expertise in all facets of urologic care with specialization in ROBOTIC and LAPAROSCOPIC surgery, FEMALE UROLOGY, male health and all urologic cancers.

Our Physicians

David J. Cahn, MD, is certified by the American Board of Urology and has been in private practice since 1999. He received the Outstanding Clinical Faculty Award at the CU School of Medicine and is the past President of the Rocky Mountain Urology Society.
Wesleyan University, Middleton, CT, BA Degree
Albert Einstein College of Medicine, Bronx, New York, M.D
Urology Residency, Montefiore Medical Center, Bronx, New York
Fellowship in Neuro-Urology, University of Colorado.

Diane M. Hartman, MD, is one of the few female urologists in the Denver area and specializes in robotic (daVinci) surgery.  She served as chief resident in urologic surgery at University of Colorado Health Science Center (UCHSC) and began private practice in 1994.
University of Denver, B.S. Degree, Biology and Chemistry, cum laude
University of Colorado, School of Medicine, M.D. with honors
Urologic Surgery Residency, UCHSC 

Derek K. Zukosky, DO, is board certified in Urological Surgery, specializing in robotic surgery and is a surgical trainer for daVinci.  Following his Michigan urology residency, he was invited for a urologic laproscopic surgery fellowship at the University of Heidelberg in Heidelberg Germany.
Michigan State University, B.S. Degree in Science and Mathematics
Michigan State University, D. O.
Urology Residency, Botsford General Hospital, Farmington Hills, Michigan
Fellowship in Urologic Laparoscopic Surgery, University of Heidelberg, Heidelberg Germany

Theodore C. Ning, M.D.