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What is a Urologist?

They are physicians who specialize in the genitourinary tract—the kidneys, urinary bladder, adrenal glands, urethra and male reproductive organs—and male fertility. Urologists are also trained in the surgical and medical treatment of diseases that affect these organs.

A urologist is a medical specialist who undergoes training in diseases of the male and female urinary systems, as well as the male reproductive system. Due to the variety of clinical problems encountered, urologists must have a wide range of knowledge regarding internal medicine, gynecology, pediatrics and other specialties. Urologists are also trained as surgeons and offer patients surgical options for many urologic health conditions. A urologist might treat bladder problems, urinary tract infections (UTIs), bladder and kidney cancer, kidney blockage, and kidney stones

Why would I need to see a Urologist?

Dr. Jonathan Fialkov, MD
Crystal Johnson, MSN, ARNP

(641) 782-3944

First Floor of the Medical Arts Plaza
Suite 203

  • You Have Trouble With Bladder Control

  • You Have Difficulty or Pain While Urinating

  • There's Blood in Your Urine

  • You Have To Urinate Frequently

  • You're Experiencing Erectile Dysfunction

  • Your Sex Drive Has Decreased

  • You Notice Penile or Testicular Abnormalities

  • You Have Pain in Your Lower Stomach or Groin Region

Urology at Greater Regional Health

Dr. Fialkov is a Rezum provider, 1 of 3 in the state of Iowa. Rezūm™ is a non-surgical outpatient therapy that uses natural energy stored in water vapor to shrink excess prostate tissue causing symptoms such as irregular urine flow, a weak stream, straining or getting up at night to urinate, all while preserving sexual function. There are no incisions, no general anesthesia, and most patients return to regular activities within a few days.


Dr. Fialkov is passionate about his care, you receive same week appointment and treatments. No referral needed.


Dr. Fialkov and Crystal Johnson are your urology health care team.


My mission is to provide the highest quality care in a respectful and compassionate manner to all ages.

Jonathan Fialkov, MD

I strive to provide compassionate care by listening to my patients concerns and working to achieve their goals.

Crystal Johnson, MSN, ARNP