Urology Group of Southern California
Urology Group of Southern California

Schedule an Appointment


John Kowalczyk, DO, FACOS

Robert Naraghi, MD

Barton Tanenbaum, MD

Joel Abbott, MD

Milan Shah, MD

Brandon Haynes, MD

Sagie De Guzman, ANP-C

Sara Minsavage, PA-C


Office Locations


Downtown L.A.:

1127 Wilshire Blvd, Suite 805

Los Angeles, CA 90017

Tel: (213) 977-1176

Fax: (213) 977-0668



1500 S. Central Ave., Suite 200A
Glendale, CA  91204

(Monday PM, Weds. PM & Friday PM)


Contact & Appointments

Please call our office at

(213) 977-1176 during regular

business hours to make

an appointment - Or email us at appointments@ugofsc.com

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

MANY Providers, One Philosophy

Pictured (left to right): Sagie De Guzman ANP-C, John Kowalczyk DO, Sara Minsavage PA-C,
Robert Naraghi MD (Not Shown: Barton Tanenbaum, MD, Joel Abbott, DO, Milan Shah, MD,
Brandon Haynes, 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 two major hospitals: Good Samaritan Hospital 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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© John J. Kowalczyk, DO, Inc