3 Best Nephrologists in San Francisco, CA

Expert-recommended Top 3 Nephrologists in San Francisco, California. All of our kidney specialists 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!

Steven Katznelson, MD - San Francisco, CA Nephrologists - Doctor Portrait Image
7+ YEARS ON TBR

STEVEN KATZNELSON, MD

1100 Van Ness Avenue Fl 3,
San Francisco, CA 94109 Directions

Since 1988

Specialty:

✓Heartburn ✓Check-up ✓Kidney Transplant (Renal Transplant) ✓Vaccination ✓Organ Transplantation ✓Immunization and Weight Loss

" Dr. Steven Katznelson practices patient care that is patient-centered and evidence-based. He received his medical degree from University of California (San Francisco) School of Medicine and has been in practice for more than 20 years. He believes that medical care should be directed not only to the patient but also to their families and other loved ones. He values open communication with both his patients and their local health care teams. Dr. Steven Katznelson provides the best possible kidney transplant care to each patient and their loved ones.

2026 Highlights: Dr. Steven Katznelson specializes in diagnosing and managing kidney disease, including monitoring how other chronic conditions, such as diabetes and high blood pressure, affect the kidneys. Nephrologists typically do not perform surgery."

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License #G66893

Contact:

(415) 600-1070

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

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JOHN W. RIORDAN, MD

SUTTER HEALTH 2100 Webster Street, Suite 320,
San Francisco, CA 94115 Directions

Since 1987

Specialty:

✓Chronic Renal Disease ✓Iron Deficiency Anemia ✓Acute Renal Failure ✓Nephrotic Syndrome ✓Diabetes Mellitus (DM) ✓Vitamin D Deficiency ✓Rheumatoid Arthritis ✓Heart Failure ✓Infectious Liver Disease

" Dr. John W. Riordan completed his medical degree from the University of Texas Medical Branch, Galveston. He finished his internship and residency at the University of Texas Health Science Center, San Antonio. Dr. John W. Riordan did his fellowship at the University of California, San Francisco Medical Center. He is board-certified in Nephrology. He has over 35 years of experience in the nephrology field. Dr. John W. Riordan has extensive experience in Glomerulonephritis and Nephropathy. He has hospital affiliations with California Pacific Medical Center. Dr. John W. Riordan is fluent in English, Spanish, and French.

2026 Highlights: Dr. John W. Riordan accepts 15 insurance plans. He is board-certified by the American Board of Internal Medicine in Nephrology."

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License # A52155

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Michael F. Borah, MD - San Francisco, CA Nephrologists - Doctor Portrait Image
6+ YEARS ON TBR
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MICHAEL F. BORAH, MD

SUTTER HEALTH 2100 Webster Street, Suite 405,
San Francisco, CA 94115 Directions

Since 1970

Specialty:

✓Chronic Renal Disease ✓Dialysis ✓Chronic Kidney Disease (CKD) ✓Kidney Biopsy ✓Transplant ✓Hemodialysis ✓End-Stage Renal Disease (ESRD) ✓Urinalysis ✓Peritoneal Dialysis

" Dr. Michael F. Borah obtained his medical degree from New York University School of Medicine in 1969. He has completed his residency and fellowship at Moffitt Cancer Center, University of South Florida. He also finished his internship at Albert Einstein College of Medicine-Jacobi. Dr. Michael has undergone numerous trainings in nephrology, through which he gained vast experience and knowledge. He is board-certified in Nephrology. He is currently practicing at California Pacific Medical Center. The medical center is fully equipped with the latest technology and advanced facilities to treat patients effectively. Dr. Michael F. Borah is fluent in French and English.

2026 Highlights: Dr. Michael F. Borah accepts new patients."

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License #G20356

Contact:

(415) 923-3456

By Appointment

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