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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?

  • 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

Our Providers

Jonathan Fialkov, MD
Crystal Johnson, MSN, ARNP

Contact Us

Specialty Clinic Suite 203

First Floor Medical Arts Plaza

1700 W. Townline St

Creston, IA 50801



8 a.m.- 5 p.m.

Urology at Greater Regional Health


Dr. Fialkov is a Rezūm™ 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.

Hormone Pellet Therapy

Greater Regional Urology also offers Hormone Pellet Therapy. Pellet implants are used to treat hormone imbalances in the body. In a quick office procedure, Crystal Johnson, MSN, ARNP, inserts a prescribed number of rice-grain-sized pellets under the skin near the hip. Hormone Pellet Therapy is used to treat menopause, low testosterone, loss of bone density, sexual dysfunction, muscle or strength loss and mood disorders. 


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

Learn More about Urology

Meet Our Providers


Jonathan Fialkov

Crystal Johnson,


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

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