Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Riordan, Nephrologist in San Francisco, CA?
Dr. John Riordan, MD is a Nephrologist, who primarily practices in San Francisco, CA with 1 additional practice location. He is board certified. Dr. Riordan graduated from Texas A&M University and completed his residency at The University of Texas Health Science Center at San Antonio. Dr. Riordan is fluent in English and Spanish, and is currently seeing new patients. Dr. Riordan’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Riordan’s office at (415) 923-3815.
Where did Dr. Riordan go to medical school and complete their residency?
Residency: The University of Texas Health Science Center at San Antonio
Medical School: Texas A&M University
What languages does Dr. Riordan speak?
Dr. Riordan and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Riordan treat?
As a Nephrologist, Dr. Riordan diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Riordan. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- End-Stage Kidney Disease
- Chronic Kidney Disease Stage 3b
- Chronic Kidney Disease, Stage 4 (Severe)
- Chronic Kidney Disease, Stage 3a
- Chronic Kidney Disease, Stage 3
- Chronic Kidney Disease Stage 5
- Kidney Failure
- Chronic Kidney Disease (CKD)
- Helping Your Child Adapt to Life with Chronic Kidney Disease
- Chronic Kidney Disease
- ESRD
- End-Stage Renal Failure
- CKD Stage 3b
- Moderate Chronic Kidney Disease
- CKD Stage 4
- Severe Chronic Kidney Disease
- CKD Stage 3a
- CKD Stage 3
- CKD Stage 5
- End-Stage Renal Disease
ICD-10 Codes:
- N186: End stage renal disease
- N1832: Chronic kidney disease, stage 3b
- N184: Chronic kidney disease, stage 4 (severe)
- N1831: Chronic kidney disease, stage 3a
- N1830: Chronic kidney disease, stage 3 unspecified
- N185: Chronic kidney disease, stage 5
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Acute Kidney Failure
- Kidney Failure
- Acute Renal Failure
- Sudden Kidney Failure
ICD-10 Codes:
- N179: Acute kidney failure, unspecified
Also known as:
- Protein in Urine
- Persistent Protein in Urine
- Urine and Urination
- Proteinuria
- Albuminuria
- Foamy urine
- Persistent proteinuria
- Ongoing protein in urine
ICD-10 Codes:
- R809: Proteinuria, unspecified
- R801: Persistent proteinuria, unspecified
Also known as:
- Dialysis Dependence
- Dialysis
- Helping Your Child Adapt to Life with Chronic Kidney Disease
- Kidney Dialysis
- Renal Replacement Therapy
- On Dialysis
ICD-10 Codes:
- Z992: Dependence on renal dialysis
Also known as:
- Type 2 Diabetes
- Type 2 Diabetes with Kidney Disease
- Type 2 Diabetes with Chronic Kidney Disease
- Diabetes Type 2
- Type 2 diabetes
- Diabetic Kidney Problems
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
- Diabetic Nephropathy
- Kidney Damage from Type 2 Diabetes
- Type 2 Diabetes Kidney Complications
- Diabetic Chronic Kidney Disease
- Long-term Kidney Failure from Type 2 Diabetes
- Type 2 Diabetes End-Stage Renal Disease
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
- E1121: Type 2 diabetes mellitus with diabetic nephropathy
- E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease
Also known as:
- Immune Deficiency
- Immune System and Disorder
- Weak Immune System
- Immune System Disorder
ICD-10 Codes:
- D849: Immunodeficiency, unspecified
Also known as:
- Low Sodium Levels
- Fluid and Electrolyte Balance
- Sodium
- Hyponatremia
- Low Blood Sodium
- Sodium Deficiency
ICD-10 Codes:
- E871: Hypo-osmolality and hyponatremia
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- Kidney Inflammation
- Kidney Disease
- Nephritis
- Glomerulonephritis
- Inflamed Kidneys
ICD-10 Codes:
- N059: Unspecified nephritic syndrome with unspecified morphologic changes
Also known as:
- Isolated Protein in Urine
- Kidney Disease
- Urine and Urination
- Proteinuria
- Excess Protein in Urine
- Kidney Protein Leak
ICD-10 Codes:
- N069: Isolated proteinuria with unspecified morphologic lesion
Also known as:
- Kidney Stones
- Renal Calculi
- Nephrolithiasis
- Kidney Calculi
ICD-10 Codes:
- N200: Calculus of kidney
Which procedures does Dr. Riordan perform as a Nephrologist?
As a Nephrologist, procedures performed by a Dr. John Riordan may include:
- Dialysis
- Kidney and Urinary Perfusion Scan
- Kidney Biopsy
- Kidney Transplant
- Kidney Ultrasound
- Nephrology Consultation
- Nephrology Follow Up
- Peritoneal Dialysis
For detailed information, please contact Dr. Riordan's office.
Does Dr. Riordan accept my insurance?
Dr. Riordan accepts most major insurance plans. Important: Please call our office at (415) 923-3815 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Riordan accept in San Francisco, CA?
Dr. Riordan in San Francisco, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
BCBS Unspecified
Blue Shield of California
Centene
CVS Health (formerly Aetna)
Medicare
Other Provider Networks
San Francisco Health Plan
Sutter Health
UnitedHealthcare
View All Insurances
Where is Dr. Riordan's office located?
Dr. John Riordan's Primary Practice
2100 Webster St Ste 320
San Francisco, CA 94115
(415) 923-3815
What is Dr. Riordan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Riordan's National Provider Identifier (NPI) number is 1619040227.
What common questions do patients ask about Dr. Riordan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Riordan
What is Dr. John Riordan's specialty?
Dr. Riordan is a Nephrologist near San Francisco, CA. An internist who manages disorders related to the kidneys, including high blood pressure, fluid and mineral balance, and dialysis for waste removal when kidney function is impaired. This specialist also collaborates with surgeons regarding kidney transplantation. Contact Dr. Riordan to book an appointment today.
Is this Dr. John Riordan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Riordan is affiliated with California Pacific Medical Center - Van Ness Campus which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Nephrologist?
Explore Nephrologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is John Riordan accepting new patients in San Francisco, CA?
Yes, Dr. John Riordan is accepting new patients at this time.
Does Dr. John Riordan offer online booking?
Please contact Dr. Riordan's office at (415) 923-3815 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Riordan?
Please contact Dr. Riordan's office at (415) 923-3815 for information regarding telehealth appointment availability or for scheduling assistance.
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