Biography & Education


Dr. Marr graduated from Oregon Health & Science University (OHSU) and later completed a general surgery residency, urology, and renal transplant residency at OHSU. He finished a research fellowship at Northwestern University in Chicago, IL. Dr. Marr focuses on bladder cancer, kidney cancer, and general urology at The Oregon Clinic - Urology. He is also a volunteer for the International Volunteers of Urology, the Wallace Medical Concern, the Safehaven Community Outreach program and is an organizer for Physicians for Social Responsibility at OHSU.

Other Interests: 

Dr. Marr's personal interests include traveling, basketball, distance running, flying, hiking, and golfing.

Areas of expertise

Benign Prostatic Hyperplasia (BPH), Bladder Cancer, General Urology, Kidney Cancer, Minimally Invasive Surgery

  • United States Air Force Academy, Colorado Springs, CO, 1988-1990
  • B.S., Biology, Western Oregon University, Monmouth, OR, March, 1993
  • M.D., Oregon Health & Science University (OHSU), Portland, OR, 2001
  • General Surgery Residency, Oregon Health & Science University (OHSU), Portland, OR, 2001-2003
  • Research Fellowship, Northwestern University, Chicago, IL, January-July, 2006
  • Urology and Renal Transplant Residency, Oregon Health & Science University (OHSU), Portland, OR, 2001-2007
  • English

Care Locations

The Oregon Clinic-Urology
5050 NE Hoyt St.
Suite 514
Portland , OR 97213
Fax 503-488-2340
The Oregon Clinic-Urology at Milwaukie
10330 SE 32nd Ave
Suite 210
Milwaukie , OR 97222
The Oregon Clinic-Urology at Oregon City
1510 Division St.
Suite 10
Oregon City , OR 97045


Board Certifications
  • Urology
Services Provided