3 Best Urologists in Fullerton, CA

Expert-recommended Top 3 Urologists in Fullerton, California. All of our urologists actually face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!

10+ YEARS IN TBR
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MICHAEL GAZZANIGA, MD, FACS

SOUTHLAND UROLOGY
1400 North Harbor Boulevard, Suite 300,
Fullerton, CA 92835 Directions

Since 1996

Specialty:

Erectile Dysfunction Hydrocele Low Testosterone Male Infertility Premature Ejaculation Spermatocele Sexually Transmitted Infections Testicular Torsion Varicocele Testicular Cancer Benign Prostatic Hyperplasia (BPH) Kidney Cancer Kidney Failure Kidney Stones Bladder Cancer Bladder Prolapse Hematuria Interstitial Cystitis Kegel Exercises Loss of Bladder Control Neurogenic Bladder Overactive Bladder Female Urinary Incontinence Male Urinary Incontinence Pelvic Organ Prolapse Urinary Tract Infections

" Dr. Michael Gazzaniga graduated from Dartmouth Medical School. He finished his internship, residency, and fellowship at the University of California, Irvine. Dr. Michael Gazzaniga is board-certified in urology by the American Board of Urology. He has a special interest in bladder problems, minimally invasive surgery, robotic surgery, and Urolift. Dr. Gazzaniga is highly experienced in the diagnosis and treatment of urinary conditions, particularly in the area of urinary calculi and their removal. He has published articles on topics that include laparoscopic surgery and prostate cancer. Dr. Michael Gazzaniga has been assigned by Intuitive Surgical to proctor urologists throughout the United States. He has performed over 100 urological procedures in his office. Dr. Michael Gazzaniga communicates with patients in English. His office accepts new patients and telehealth appointments. His service is also available in Yorba Linda.

2026 Highlights: Dr. Michael Gazzaniga has served as Chief of Surgery and was director of the Urologic Oncology division at St Jude Medical Center. "

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Physician of Excellence Award by the Orange Coast Magazine
License #A65760

Contact:

(714) 870-5970

Mon-Fri: 8:30am - 5pm
Sat & Sun: Closed

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7+ YEARS IN TBR
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ALI ALAVI, MD

1915 Sunny Crest Drive,
Fullerton, CA 92835 Directions

Since 1996

Specialty:

Benign Prostatic Hyperplasia (BPH) Kidney Stones Menopause Prostate Cancer Vaginitis Male and Female Incontinence Enlarged Prostate Urinary Tract Infection Erectile Dysfunction Interstitial Cystitis Minimally Invasive Surgeries Robotic and Laparoscopic Surgery

" Dr. Ali Alavi is certified by the American Board of Urology; he earned his medical degree from the esteemed University of Virginia. Dr. Alavi completed his internship and residency at the University of Miami, where he acquired extensive knowledge and experience in diagnosing and treating various urological conditions. His areas of specialization encompass nerve-sparing robotic prostatectomy, renal surgery, male and female incontinence, impotence, erectile dysfunction, and interstitial cystitis. Affiliated with Placentia-Linda Hospital and St. Jude Medical Center, both esteemed medical facilities, Dr. Alavi's practice warmly welcomes new patients and facilitates telehealth appointments, ensuring convenient access to care from the comfort of patients' homes.

2026 Highlights: Dr. Ali Alavi has extensive experience in Urinary Calculi & Removal. "

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License #A79874

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Alexa Chai, MD - Fullerton, CA Urologists - Doctor Portrait Image
Alexa Chai, MD - Fullerton, CA Urologists - Hospital Exterior Image
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ALEXA CHAI, MD

FULLERTON UROLOGY
1915 Sunny Crest Drive,
Fullerton, CA 92835 Directions

Since 2009

Specialty:

Adrenal Mass Non Malignant Adrenal Neoplasm Asthenospermia Atrophy of Testis Azoospermia Balanitis Benign Prostatic Hypertrophy Bladder Cancer Bladder Disease Bladder Stone Bladder Uterine Fistula Carcinoma in Situ of Penis Circumcision Cystitis Cystocele Cystoscopy Dysuria Ejaculatory Dysfunction Endoscopic Surgery for Bladder Cancer Endourology Enterovesical Fistula Enuresis Epididymitis Erectile Disorder Erectile Dysfunction Extracorporeal Shockwave Lithotripsy of the Kidney Frequent Urinary Tract Infections

" Dr. Alexa Chai finished her medical degree from the Mercer University School of Medicine. She did her internship and residency at the State University of New York at Buffalo Health Sciences Center. She is board-certified in Urology by the American Board of Urology. Her specialties include Female Urology, Incontinence, Minimally Invasive Surgeries, Kidney Stone Disease, Robotic and Laparoscopic Surgery, and Erectile Dysfunction. Dr. Alexa Chai is affiliated with medical facilities Providence St. Jude Medical Center and UCI Health-Placentia Linda. She accepts new patients and telehealth appointments. Dr. Alexa Chai is fluent in English and Korean.

2026 Highlights: Dr. Alexa Chai has expertise in treating kidney removal surgery, among other conditions. "

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License # A131086

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