Mercy Clinics



      Mercy Iowa City Urology
2943 Northgate Drive
Iowa City, IA 52245
Phone 319-338-1197
    Temporary Hours
Telehealth appointments
Monday through Friday, 8 a.m. - 5 p.m. 
In-clinic appointments
Monday through Friday, 8 a.m. - 3:30 p.m.

Patient Health History Form | Patient Demographic Form | Patient Portal

Dr. Brunkhorst is designated as an Urolift Center of Excellence. Learn more.


Luke Brunkhorst, DO
Dr. Brunkhorst received his medical education from Des Moines University, completed his residency at Michigan State University, and is certified by the American Osteopathic Board of Surgery – Urology. He has special interests in robotic surgery and minimally invasive surgery. His specialties include Surgical Oncology for Bladder, Prostate and Kidney Cancer, Bladder Disorders, Urinary Incontinence, Kidney Stone Diseases (Medical and Surgical Care), Prostate Disorders, and Sexual Dysfunction. Dr. Brunkhorst performs UroLift procedures . Dr. Brunkhorst is located in Iowa City and Mt. Pleasant.

Margaret Ekroth, MD
Dr. Ekroth received her medical education from the University of Iowa. She completed her training in urology at State University of New York Upstate. She is a member of the American Urological Association (AUA) and the Society of Women in Urology (SWIU). Dr. Ekroth has been with Mercy Urology since 2012. Her specialties include Urologic Oncology, Stone disease, Benign prostatic hyperlasia (BPH), Urinary Incontinence. Dr. Ekroth is located in Iowa City and Washington.

James G. McCoy, MD 
Dr. McCoy received his medical education from the University of Iowa and completed his residency and internship at University of Iowa Hospitals and Clinics. He is board certified with the American Board of Urology and member of the American Urological Association (AUA), Iowa Urologic Society, and Iowa Medical Society. A native of Mason City, Iowa. Dr. McCoy is located in Iowa City, Fairfield and Muscatine.
Ashley Umoren, ARNP, FNP-C
Ashley Umoren earned her Associate Degree in Nursing from North Iowa Area Community College, a Bachelor of Science in Nursing from Kaplan University, a Master of Science in Nursing in Leadership and Management from Western Governor’s University, and a Post-Master’s Certificate in Family Nurse Practitioner from Kaplan University. She is a member of the American Academy of Nurse Practitioners and Society of Urologic Nurses and Associates. Ashley is board certified by the American Academy of Nurse Practitioners. She specializes in recurrent UTI treatment, incontinence, and male health issues.
Treatments include:
  • Bladder cancer
  • Cystocele
  • Enlarged prostate
  • Erectile dysfunction
  • Frequent urination
  • Hematuria
  • Interstitial cystitis (bladder pain syndrome BPS)
  • Kidney/ureteral stones
  • Kidney cancer
  • Neurogenic bladder
  • Prostate cancer
  • Urinary incontinence
  • Urinary tract infection

For other procedures not listed here, contact the clinic.

Many surgeries we perform are minimally invasive, providing the patient a shorter hospital stay, less time away from home or work, less discomfort and bleeding, as well as shorter recovery period.

  • Cystoscopy
  • Botox ®
  • Interstim TM Therapy
  • Robotic surgery
  • Prostate ultrasounds
  • PTNS
  • Urodynamics
  • UroLift. Learn More

Outreach Clinics:
Mercy Urology Clinic - Washington Clinic
Washington County Hospital, 400 E. Polk St.
Washington, IA 52353
Phone 319-338-1197

Mercy Urology Clinic - Fairfield Clinic
Jefferson County Hospital, 200 S. Main St.
Fairfield, IA 52556
Phone 319-338-1197

Mercy Urology Clinic - Mt. Pleasant Clinic
Henry County Hospital, 501 S. White St.
Mt. Pleasant, IA 52641
Phone 319-385-6512

Mercy Urology Clinic - Muscatine Clinic
1616 Cedarwood Dr. Ste 201
Muscatine, IA 52761
Phone 319-338-1197