Dr. John Riordan II, MD

Dr. John Riordan II, MD

Nephrology  ·  
Male  ·  
Age 58
Dr. John Riordan II, MD is a nephrology specialist in Torrance, CA and has been practicing for 31 years. He graduated from University Of Texas Medical Branch At Galveston in 1987 and specializes in nephrology.

3445 Pacific Coast Hwy Ste 100

Torrance, CA 90505

Contact Information

(310) 257-0508

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Cigna
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Riordan II

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Top Care Areas

See how frequently Dr. Riordan II performs your care needs compared to other doctors.

Nephritis and Nephropathy
very high
more than 91% of peers
more than 88% of peers
Chronic Kidney Diseases
more than 74% of peers

Dr. Riordan II's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

1  Specialties

  • Nephrology

1  Board Certifications

  • Nephrology
    Accredited by: American Board of Internal Medicine*

46  Conditions Treated

  • Acidosis
  • Acute Glomerulonephritis
  • Acute Kidney Failure
  • Amyloidosis
  • Autoimmune Diseases
  • Bone Disorders
  • Brain Disorders
  • Calcium Metabolism Disorders
  • Chronic Glomerulonephritis
  • Chronic Kidney Diseases
  • Classic Polyarteritis Nodosa
  • Congenital Polycystic Kidney Disease
  • Dehydration
  • Diabetes Insipidus, Nephrogenic
  • Diabetes With Renal Manifestations
  • Diabetic Ketoacidosis
  • End-Stage Renal Disease
  • Gout
  • Hepatitis B - Immune Response
  • Hydronephrosis
  • Hypercalcemia
  • Hyperkalemia
  • Hypertension
  • Hypertensive Chronic Kidney Disease
  • Hypertensive Heart and Chronic Kidney Disease
  • Hypokalemia
  • Hypotension (Excluding Maternal)
  • Kidney Disease
  • Kidney Stones
  • Limb Swelling
  • Limb Swelling Caused by Fluid Overload
  • Magnesium Metabolism Disorders
  • Mineral Metabolism Disorders
  • Nephritis and Nephropathy
  • Nephrotic Syndrome
  • Parathyroid (Gland) Disease
  • Phosphorus Metabolism Disorders
  • Renal Artery Arteriosclerotic Disease
  • Renal Hyperparathyroidism
  • Renal Osteodystrophy
  • Secondary Renovascular Hypertension
  • Small Kidney
  • Systemic Vasculitis
  • Tuberous Sclerosis
  • Vascular Disease
  • Vitamin D Deficiency


Read Less

3  Procedures

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • University Of Texas Medical Branch At Galveston
    Medical School | Graduated 1987
  • University Of Texas Health Science Center
    Internship Hospital | Completed
  • University Of Texas Health Science Center
    Residency Hospital | Completed
  • Ucsf Medical Center
    Fellowship Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Riordan II has no media or publications listed.

Languages Spoken

  • English
  • French
  • Spanish

Memberships & Professional Affiliations

Dr. Riordan II does not have any memberships or affiliations listed. If you are Dr. Riordan II and would like to add memberships or affiliations, please update your profile.

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