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John M Hessl, MD is a Doctor primarily located in San Mateo, CA. Their specialties include Urology. John M Hessl is affiliated with Mills-Peninsula Health Services.

Specialties & Expertise

John M Hessl has the following 1 specialty.


A urologist is a physician who specializes in diagnosing and treating conditions affecting the male reproductive system, as well as the urinary tracts of both males and females.

These doctors cover the kidneys, ureter, urinary bladder, adrenal glands, urethra, and the male reproductive organs which include the testes, epididymis, vas deferens, seminal vesicles, prostate and penis. Some common disorders that urologists treat are urinary tract infections (UTI), stress incontinence, benign prostatic hyperplasia, kidney stones, erectile dysfunction, kidney cancer, prostate cancer, testicular cancer, and cystitis. These urological specialists also perform vasectomies and vasectomy reversals.

Locations & Directions

101 S San Mateo Dr
San Mateo, CA 94401