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Philip Koi, MD,FACS

  • Primary Specialties: Female Incontinence, Female Urology, General Urology, InterStim Neuromodulation Therapy for OAB, Kidney Stones, Laparoscopic Surgery, Minimally Invasive Surgery, Prostate Disease, Robotic surgery, Urologic Cancers, Vasectomy Including No-Scalpel
  • Languages Spoken: English, Mandarin Chinese
  • Gender: Male

About This Provider

Dr. Koi’s areas of clinical specialty include urologic cancer, kidney stones, prostatic diseases, female urology (including incontinence), da Vinci Robot Surgical System, no-needle/no-scalpel vasectomy, in-office minimally invasive prostate procedures, and laparoscopic surgery.

He joined Arizona Urology Specialists in 2009 and was previously in practice at Canyon State Urology.

About Dr. Koi

Dr. Koi’s work has been published in numerous scientific publications including:

Mason BM, Koi PT, Hafron J, Milhoua P, Hoenig DM. Safety and efficacy of synchronous percutaneous nephrostolithotomy and contralateral ureterorenoscopy for bilateral calculi. J Endourol. 2008 May;22(5):889-93.

Milhoua PM, Koi PT, Lowe D, and Ghavamian R. Issue of prostate gland size, laparoscopic radical prostatectomy, and continence revisited. Urology. 2008 Mar;71(3):417-20.

Milhoua PM, Koi PT, Hakimi AA, Li M, and Ghavamian R. Laparoscopic nephrectomy for the management of renal medullary carcinoma in a child. J Pediatric Urol. 2008 Feb;4(1):90-2.

Sergeyev I, Koi PT, Jacobs SL, Godelman A, Hoenig DM. Outcome of percutaneous surgery stratified according to body mass index and kidney stone size. Surg Laparosc Endosc Percutan Tech. 2007 Jun;17(3):179-83.

Koi P, Milhoua PM, Monrose V, Disanto ME, Melman A. Expression of Myosin Isoforms in the Smooth Muscle of Human Corpus Cavernosum. Int J Impot Res. 2007 Jan-Feb;19(1):62-8.

Milhoua PM, Knoll A, Koi P, Hoenig D, and Ghavamian R. Laparoscopic pelvic nephrectomy in preparation for renal transplantation. JSLS 2006 Oct-Dec;10(4):538-40.

Dr. Koi grew up in Southern California. He enjoys spending time with his wife and three children. Dr. Koi is an avid football and basketball fan.


  • American College of Surgeons
  • American Urological Association
  • Association of Clinical Urologists
  • Western Section American Urological Association
  • Phoenix Urological Society
  • College
  • Undergraduate University of California Los Angeles
    Los Angeles, CA
  • Medical School
  • Medical Degree Tufts University
    Boston, MA
  • Internship
  • Surgical Albert Einstein College of Medicine
    New York City, NY
  • Residency
  • Urology Albert Einstein College of Medicine
    New York City, NY
  • Board Certification
  • American Board of Urology