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. 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 Kaiser Permanente, Medicaid, Medicare, Aetna, Cigna, UnitedHealthcare 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 a Nephrologist like Dr. Riordan typically 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. Learn more about our claims-based healthcare methodology.
Also known as:
- End-Stage Kidney Disease
- Chronic Kidney Disease Stage 3b
- Chronic Kidney Disease, Stage 4 (Severe)
- Chronic Kidney Disease, Stage 3a
- 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
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
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
- Urine and Urination
- Proteinuria
- Albuminuria
- Foamy urine
ICD-10 Codes:
- R809: Proteinuria, unspecified
What procedures does a Nephrologist like Dr. Riordan typically perform?
As a Nephrologist, Dr. Riordan performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Kidney Biopsy
- Renal biopsy
- Percutaneous kidney biopsy
- Needle kidney biopsy
CPT Codes:
- 50200: Renal biopsy; percutaneous, by trocar or needle
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
Alignment Healthcare
All Other Third Party
BCBS Unspecified
Blue Shield of California
Centene Corporation
CVS Health (formerly Aetna)
Medicare
State of California
UnitedHealth Group
Unknown
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.
What does a Nephrologist do?
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.
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
When to see a Nephrologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Nephrologist. Explore 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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