Dr. John W. Riordan
- Gender: Male
- Experience: 34 years
- Graduated from: University Of Texas Medical Branch At Galveston
- Graduation year: 1987
- Sole propriator: No
- NPI: 1619040227
Dr. John W. Riordan M.D.
Nephrologist
He is located at 2100 Webster Street Suite 320 in San Francisco, CA 94115. Can help patients with the following: Abdominal Pain, Bladder Control, Diarrhea, Hypercalcemia, Hyperkalemia, Kidney Stones. His National Provider Identifier (NPI) number is 1619040227. Appointment can be made via the phone number (415) 923-3815. He is affiliated with 2 practices and 4 hospitals.
Conditions treated
Dr. John William Riordan, being an nephrologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John W. Riordan.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Blood in Urine
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Gout
- Headache
- Heart Disease
- Hemolytic Uremic Syndrome (HUS)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hydronephrosis
- Hypercalcemia
- Hyperkalemia
- Hyperlipidemia
- Hyperparathyroidism
- Hyponatremia
- Influenza
- Inguinal Hernia
- Kidney Cancer
- Kidney Failure
- Kidney Infection
- Kidney Stones
- Low Blood Pressure
- Low Potassium
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Polycystic Kidney Disease (PKD)
- Prescription Refill
- Rhabdomyolysis
- Urethritis
- Urinary Tract Infection (UTI)
- Vitamin D Deficiency
Procedures Performed by Dr. John W. Riordan
Medicare Enrollment
Dr. John W. Riordan is enrolled to bill Medicare as a Practitioner - Nephrology .
Bills through: Renal Medical Associates
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Mallinckrodt | $233 |
| Questcor Pharmaceuticals | $131 |
| Amgen | $109 |
Other
| Food and Beverage | $501 |
Studies
UNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated in 1987Additional Specialities
- Internist
- Specialist
Affiliated hospitals
Looking for more Nephrologists?
Out of the 19 nephrologists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: Suite 405 2100 Webster Street San Francisco, 94115, CA
- Gender: Male
- Address: Suite 202 2100 Webster Street San Francisco, 94115, CA
- Gender: Male
- Address: 2340 Clay Street San Francisco, 94115, CA
- Gender: Male
- Address: 2340 Clay Street San Francisco, 94115, CA
- Gender: Male
- Address: 2200 Ofarrell Street San Francisco, 94115, CA
- Gender: Male
- Address: 2200 Ofarrell Street San Francisco, 94115, CA
- Gender: Male
- Address: Suite 203 2299 Post Street San Francisco, 94115, CA
- Gender: Male
- Address: 105 North Bascom Avenue Suite 202 San Jose, 95128, CA
- Gender: Male
- Address: Div Im Nephrology, Ste 5C 4921 Parkview Place Saint Louis, 63110, MO
- Gender: Female
- Address: 1420 West 43rd Avenue Suite A Pine Bluff, 71603, AR
Questions & Answers
Has Dr. John William Riordan affiliation with hospitals?
Dr. John William Riordan is affiliated with NOVATO COMMUNITY HOSPITAL. For the full list of hospitals see this list.
What conditions does Dr. John William Riordan treat?
Dr. John William Riordan provides treatment for Abdominal Pain, Bladder Control, Diarrhea, Hypercalcemia, Hyperkalemia, Kidney Stones. For the full list see this list.
Where can you meet with Dr. John William Riordan?
Dr. John William Riordan's office is located at 2100 Webster Street Suite 320 in San Francisco, CA 94115.
Does Dr. John William Riordan have affiliation with practices?
Dr. John William Riordan is affiliated with John W Riordan MD. For the full list of practices see this list.