• FNMG Building

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The Nephrology Group, Inc. is a physician group specializing in the care of patients with kidney disease and related illnesses. Click here to refer a patient.
We make it easy and convenient for you to set an appointment with your doctor using our online appointment scheduler. Click here to Schedule an Appointment
TNG provides detailed information of all of its patients rights. Click here to read more
At TNG we strive for excellence in Patient services. Please provide your suggestions which will help us serve you better. Click here to leave a suggestion

Welcome to The Nephrology Group, Inc. 

If you have an upcoming appointment or need to be scheduled urgently, questions or any concerns, contact us at 559-228-6600.

The Nephrology Group, Inc. (TNG) is Central California’s largest Nephrology Practice. Since founded in 1975, our physicians are committed to providing quality care to patients with acute kidney failure, hypertension, chronic kidney disease, polycystic kidney disease, hemodialysis, peritoneal dialysis and other kidney related illnesses. Our physicians are available 24/7/365 for urgent consultations and referrals, hospital or in clinic. In addition to our multiple office locations, we have an Ambulatory Surgery Center which offer services to our pre-dialysis and dialysis patients.


  • Anemia Management Clinic

    Anemia is a condition in which a patient is deficient in red blood cells or hemoglobin in the blood. 

  • Hospital Services

    At  The Nephrology Group, Inc, world-class patient care, comfortable stay and professional medical expertise are ensured.

  • Outpatient/Home Dialysis

    Take a positive step towards better kidney health and enroll yourself in our outpatient dialysis program.


  • Vascular Access / Peripheral Artery Disease

    Peripheral artery disease program ensures treatment by helping patients quit addictive substances. 

  • Chronic Kidney Disease Program

    We help patients with chronic kidney disease with Glomerulonephropathy, Interstitial treatments.

  • Patient Services

    Patient procedures, treatments and hospitalization is made as simple and easy as possible. 

  • Laboratory Services

    Our laboratory conducts urinalysis to find measures of creatinine levels, GFR & BUN.

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