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Dr. John Kefer, MD, PhD

Urology

Boulder, CO 80303-1113
4.7(152 ratings on Google)· synced 5/9/2026
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Name
Dr. John Kefer, MD, PhD
Specialty
Urology
Location
Boulder, CO
Rating
4.7 / 5 (152 Google reviews)

Data source: NPPES NPI Registry · Google synced 5/9/2026

UROLOGY
MD, PhD
GROUP PRACTICE
BOULDER, CO

About Dr. Kefer

Dr. John Kefer is a board-certified urologist serving patients in Boulder, Colorado. He holds both an MD and a PhD, reflecting a strong foundation in both clinical medicine and research. That dual training positions him to apply evidence-based approaches to the diagnosis and treatment of a broad range of urologic conditions. Patients in the Boulder area have access to his combined expertise in academic science and hands-on surgical care.

Patients see Dr. John Kefer for a range of urological concerns. Common conditions include Kidney Stones, Benign Prostatic Hyperplasia (BPH), Bladder Cancer, Prostate Cancer, Kidney Cancer, Urinary Incontinence, Urinary Tract Infections, Testicular Disorders, Hematuria, and Overactive Bladder. Many arrive after an initial workup from their primary care doctor, though self-referrals are also welcome.

Services at this practice include Cystoscopy, Ureteroscopy, Shock Wave Lithotripsy, Transurethral Resection of the Prostate (TURP), Prostate Biopsy, Percutaneous Nephrolithotomy, Bladder Biopsy, Vasectomy, and Robotic-Assisted Surgery. Dr. John Kefer reviews all available options with patients before any procedure is scheduled. The aim is to ensure each person understands their diagnosis and the reasoning behind recommended treatment.

Urology Services in Boulder, CO

For patients in Boulder, CO seeking urological care, a consultation with Dr. John Kefer is the starting point. The practice serves patients from across the Boulder area. Office contact details are listed on this page.

Specialty Overview

Dr. Kefer specializes in the diagnosis and surgical management of urologic conditions affecting both men and women. His PhD background supports a research-informed approach to complex cases, from kidney stones to urologic cancers. Patients benefit from care grounded in current clinical evidence.

Conditions Treated

  • ✓ Kidney Stones
  • ✓ Benign Prostatic Hyperplasia (BPH)
  • ✓ Bladder Cancer
  • ✓ Prostate Cancer
  • ✓ Kidney Cancer
  • ✓ Urinary Incontinence
  • ✓ Urinary Tract Infections
  • ✓ Testicular Disorders
  • ✓ Hematuria
  • ✓ Overactive Bladder

Procedures

  • ✓ Cystoscopy
  • ✓ Ureteroscopy
  • ✓ Shock Wave Lithotripsy
  • ✓ Transurethral Resection of the Prostate (TURP)
  • ✓ Prostate Biopsy
  • ✓ Percutaneous Nephrolithotomy
  • ✓ Bladder Biopsy
  • ✓ Vasectomy
  • ✓ Robotic-Assisted Surgery

Frequently Asked Questions

What types of urologic conditions does Dr. Kefer treat?

Dr. Kefer treats a broad spectrum of urologic conditions, including kidney stones, bladder issues, prostate disease, and urologic cancers. Patients with both common and complex presentations are welcome to schedule a consultation.

Does Dr. Kefer perform minimally invasive procedures?

Yes, minimally invasive techniques are a standard part of modern urologic practice. Dr. Kefer offers procedures such as ureteroscopy and cystoscopy that typically involve shorter recovery times compared to open surgery.

How does Dr. Kefer's PhD training benefit his patients?

His doctoral research background means he stays closely connected to the scientific literature and emerging treatment approaches. This can be especially valuable for patients with complicated or rare urologic conditions.

Where does Dr. Kefer see patients in Boulder, CO?

Dr. Kefer practices in Boulder, Colorado. Contact his office directly to confirm current clinic locations, hours, and accepted insurance plans.

What should I bring to my first appointment with Dr. Kefer?

Bring a photo ID, insurance card, any prior imaging or lab results related to your urologic concern, and a list of current medications. Arriving a few minutes early allows time to complete any required intake paperwork.

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