Urology Group of Southern California
Urology Group of Southern California

Only Available During Office Hours

Schedule an Appointment


John Kowalczyk, DO, FACOS

Robert Naraghi, MD

Sara Minsavage, PA-C

Sagie De Guzman, ANP-C


Office Locations:

1127 Wilshire Blvd, Suite 805

Los Angeles, CA 90017

Tel: (213) 977-1176

Fax: (213) 977-0668


14860 Roscoe Blvd, Ste 200

Panorama City, CA  91402

(One Monday per month only)


Contact & Appointments:

Please call our main office at

(213) 977-1176 during regular

business hours to make

an appointment - Or click the "Call

Us Now" button above and we'll

call you!

Office Hours

Office Hours:

Monday 9:00AM - 5:00 PM

Tuesday 9:00AM - 5:00 PM

Wednesday 9:00AM - 5:00 PM

Thursday 9:00AM - 5:00 PM

Friday  9:00AM - 5:00 PM

Closed Saturday and Sunday



Connect With Us

John J Kowalczyk, DO FACOS

1127 Wilshire Blvd
90017 Los Angeles


I have been a patient with Dr. Kowalczyk for years, and he's always been a very calm and friendly person to work with, and he is every efficient and... more
Three voicemail messages I left after spending the night in the ER with a kidney stone, one for the doctor, two for nurse assistants and no call back two... more
This is a review of the office not the doctor. The doctor may be the best in the world but I wouldn't know. Never even got close to making an... more


Urology Group of Southern California

1127 Wilshire Blvd
90017 Los Angeles


The doctors are nice and knowledgeable, and I am confident I am getting good care. That being said, the logistics could really be improved, waited an hour... more
I have been a patient of Dr. K for over 10 years. He is one of the best if not THE best urologist in the country. He his dedicated to his patients, his... more
I know some people have complained about this place however I have had nothing but great experiences each and every time I go. I know there were problems... more


Four Providers, One Philosophy

Pictured (left to right): Sagie De Guzman ANP-C, John Kowalczyk DO, Sara Minsavage PA-C,
Robert Naraghi MD

The Urology Group of Southern California (UGofSC) treats a full range of male and female urologic conditions. At the Urology Group of Southern California, patients will discover a comprehensive, one-stop treatment facility for all situations related to the kidneys, bladder and urethra. Our downtown Los Angeles Clinic is located close to three major hospitals: Good Samaritan Hospital, St. Vincent Medical Center and California Hospital Medical Center. We also have referring relationships with the physicians of the Urology Department at USC/Keck Medical Center.

What Does a Urologist Do?

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