Summary

Dr. Stephen Williams specializes in urology, bringing four decades of medical expertise to his practice. He earned his medical degree from Loyola University of Chicago Stritch School of Medicine and completed his residency training at the University of Kansas Medical Center. With 41 years of experience treating urological conditions, Dr. Williams has developed extensive knowledge in managing complex cases within his specialty.

Dr. Williams practices at Kaiser Permanente Los Angeles Medical Center and Kaiser Permanente West Los Angeles Medical Center in Los Angeles, California, with hospital affiliations at Kaiser Permanente Riverside Medical Center. His clinical focus centers on treating prostate cancer, including advanced and recurrent cases. He regularly performs prostate-specific antigen testing and blood work to monitor patient health. Patients have given Dr. Williams an average rating of 4.2 out of 5 stars for his care.

Overview based on verified provider data

Quick Facts

  • 4.2
  • 41 years of experience
  • 22 insurance plans accepted
  • University Of Kansas Medical Center
  • 1 specialty
  • 7 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Stephen Guion Williams has 3 locations

Kaiser Permanente Los Angeles Medical Center

4867 W Sunset BlvdLos Angeles, CA 90027

Valley View Hospital

1906 Blake AveGlenwood Springs, CO 81601

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Dr. Stephen Guion Williams JR., MD
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Dr. Stephen Guion Williams JR., MDComprehensive UrologyDr. Justin Houman, MD, FACSDr. Kiarash Michel, MD
UrologyUrologyUrologyUrology
Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
4.6 
41 Years of Experience 33 Years of Experience 12 Years of Experience 33 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish, Farsi Speaks English, Spanish
Los Angeles , CALos Angeles , CALos Angeles , CALos Angeles , CA
Med School: Loyola University Of Chicago Stritch School Of Medicine Med School: University Of Rochester School Of Medicine Med School: University Of Washington School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Stephen Guion Williams

  • AARP
  • Aetna
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CalOptima - Medicaid (Managed)
  • Cigna
  • Contra Costa Health Plan
  • Humana
  • Inland Empire Health Plan
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Mutual of Omaha - Medicare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • UnitedHealthcare Oxford
  • WPS Health Plan

Medical Specialties

Dr. Stephen Guion Williams has the following specialty

Specialty Expertise

Dr. Stephen Guion Williams has the following 7 areas of expertise

  • Bladder Issues
  • Erectile Dysfunction (ED)
  • Kidney Stones
  • Overactive Urinary Bladder
  • Prostate Cancer
  • Prostatitis
  • Urologic Emergencies

Certifications, License, & Education

41 Years Experience

Dr. Stephen Guion Williams holds active and expired medical licenses in the states of Colorado and California.

Medical License

Medical Doctor with an active medical license in the state of Colorado that expires in 2027 and an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at University Of Kansas Medical Center.

Medical School

Graduated from Loyola University Of Chicago Stritch School Of Medicine in 1993 and LOYOLA UNIVERSITY CHICAGO STRITCH SCHOOL OF MEDICINE in 1985.

NPI Number

Dr. Williams' NPI number is 1093886079.

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Frequently Asked Questions

How can I make an appointment with Dr. Stephen Williams?
You can find contact information for Dr. Stephen Williams here on Vitals.
Is Dr. Stephen Williams accepting new patients?
Dr. Stephen Williams has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Stephen Williams affiliated with?
Dr. Stephen Williams is affiliated with Kaiser Permanente Riverside Medical Center.
Does Dr. Stephen Williams accept virtual/telehealth appointments?
Dr. Stephen Williams has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Stephen Williams accept my insurance?
You can see the insurance plans that Dr. Stephen Williams accepts on their Vitals profile.

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