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Dr. John Kefer, MD

Dr. John Kefer, MD

Age 50 Urology M
(91) 91 reviews

Telehealth available

Accepting New Patients


Dr. John Kefer, MD works in Boulder, CO as an Urology Specialist and has 20 years experience.
He is board certified in Urology and graduated from LOYOLA UNIV OF CHICAGO STRITCH SCH OF MED in 2003. Dr. Kefer has has worked on more claims relating to Enlarged Prostate (BPH), Polyuria and Urinary Stones than other providers in the area. At present, Dr. Kefer has received an average rating of 4.5 from patients and has been reviewed 91 times. He is affiliated with Good Samaritan Medical Center, Avista Adventist Hospital and Foothills Hospital. His office accepts new patients and has telehealth appointments. Dr. Kefer practices at Colorado Urology in Boulder, CO and has additional offices in Westminster, CO and Lafayette, CO.


  • Loyola University of Chicago / Stritch School of Medicine, Medical School — 2003

Insurance Accepted

  • AARP
  • Aetna
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • First Health
  • Healthfirst
  • HealthPartners
  • Humana
  • Medicare
  • MultiPlan
  • PHCS
  • Rocky Mountain Health Plans
  • Tricare
  • UnitedHealthCare

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Patient Satisfaction

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Aug 18, 2022
Just celebrated the 4 year anniversary of my radical proctectomy performed by Dr. Kefer. This is my sixth year under the care of Dr. Kefer (2 yrs under active surveillance, 4 years post op). Dr. Kefer is a fundamentally great human being with exceptional clinical and surgical skills. If you are considering prostate surgery, I know the associated stress and concern. The side effects of the surgery for me have been non-existent and I remain cancer free. I have much gratitude for Dr. Kefer, he totally exceeded my expectations.
The toughest part of prostate removal surgery is t — Aug 18, 2022
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Frequently Asked Questions

Dr. John Kefer, MD accepts new patients on Medical News Today. See Dr. Kefer's profile to make an appointment.

Dr. Kefer accepts telehealth appointments. See Dr. Kefer's profile to make an appointment.

Dr. Kefer accepts AARP, Aetna and Anthem as well as many others.

Dr. Kefer's office is located at 4743 Arapahoe Ave Ste 104 Boulder, CO 80303. Find other locations and directions on MedicalNewsToday.

Dr. Kefer frequently sees patients for Enlarged Prostate (BPH), Polyuria and Urinary Stones. Check Dr. Kefer's experience on other conditions or procedures on their MedicalNewsToday profile.

Dr. Kefer has a star rating of 4.5/5 and has been reviewed 91 times.

Dr. Kefer is board certified in Urology.

Dr. Kefer has been practicing as an Urology Specialist for 20 years.

Hospital Affiliations

  • Good Samaritan Medical Center
  • Avista Adventist Hospital
  • Foothills Hospital


  1. Colorado Urology

    1. 1
      Advanced Urology Pllc
      4743 Arapahoe Ave Ste 104, Boulder, CO 80303 (303) 444-9000
  1. Alpine Urology

    1. 2
      Alpine Urology
      500 W 144th Ave Ste 220, Westminster, CO 80023 (720) 536-3011
  1. Rocky Mountain Pediatric Urology

    1. 3
      Advanced Urology Pllc
      300 Exempla Cir Ste 250, Lafayette, CO 80026 (303) 985-2550

Know Before You Go

Preventive care: what doctors want you to know

Preventive care can help identify current or future health and medical concerns before they become major.

  1. Hepatitis C Screening: Questions for the Doctor

    Everyone ages 18 to 79 needs to get tested for hepatitis C. (USPSTF)

  2. Protect Yourself from Seasonal Flu

    Get the flu vaccine every year to protect yourself and others from the flu. (ACIP)

  3. Get Your Well-Woman Visit Every Year

    See a doctor or nurse for a checkup once a year. (HRSA)

  4. Talk with Your Doctor About Depression

    Talk with your doctor about how you are feeling if you have been sad, down, or hopeless. (USPSTF)

  5. Get Screened for Cervical Cancer

    Get a Pap test every 3 years. If you get a Pap test and an HPV test, you can get screened every 5 years instead. (USPSTF)

  6. Watch for Warning Signs of Relationship Violence

    If you think your partner might be abusive, talk with your doctor about getting help. (USPSTF)

  7. Get Tested for HIV

    Get tested for HIV at least once. You may need to get tested more often depending on your risk. (USPSTF)

  8. Get Your Blood Pressure Checked

    Get your blood pressure checked regularly — at least every 5 years.  (USPSTF)

  9. Drink Alcohol Only in Moderation

    If you are concerned about your drinking, ask your doctor about screening and counseling. (USPSTF)

  10. Get Enough Folic Acid

    Learn why women your age need folic acid. (USPSTF)

  11. Get Vaccines to Protect Your Health (Adults Ages 19 to 49)

    Get important adult shots (vaccinations). (ACIP)

  12. Quit Smoking

    If you smoke, ask your doctor about services to help you quit. (USPSTF)

  13. Talk with Your Doctor About Drug Misuse

    If you’re worried about your drug use, talk with a doctor about getting help. (USPSTF)

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