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St. Luke’s Clinic – Nephrology: Twin Falls

Our team offers a full spectrum of nephrologic care for people facing kidney issues such as kidney injury, kidney stones, electrolyte abnormalities, chronic kidney disease, and end-stage renal disease. We also care for patients pre- and post-kidney transplant and manage the treatment of patients with hypertensionWe’re dedicated to caring for you with knowledge, skill, and a deep commitment to your best health and quality of life.

You can count on us to provide consultation, screening, education, and treatment in our clinic, hemodialysis and peritoneal dialysis care, and hospital care, if needed. 
  • Location & Contact Info

    746 N. College Rd.
    Genoa Building, Suite D
    Twin Falls, ID 83301
    (208) 814-7230
    Fax: (208) 734-1178

    Accepting New Patients

  • Office Hours

    Mon - Thu: 8 a.m. - 5 p.m.
    Fri: 8 a.m. - 2 p.m.
  • Before Your Visit

  • For Current Patients

  • After-hours & Weekends

    Our physicians are available 24 hours a day, seven days a week. After hours, please call (208) 814-1000. In an emergency, call 911 immediately or go directly to the nearest emergency department.


  • Nephrology


    Kenneth A. Cogen, MD practiced nephrology in the Seattle area prior to moving to Idaho. Dr. Cogen's interests include hypertension, chronic kidney disease, dialysis, and renal transplantation.


    Accepting new patients
  • Nephrology


    Michelle L. Myers, DO has professional interest in caring for patients with chronic kidney disease, especially the management of nutritional aspects of kidney disease, and treatment of difficult-to-control hypertension. 


    Accepting new patients
  • Nephrology


    Nagraj Narasimhan, MD specializes in the practice of nephrology and hypertension. He received his training at Oregon Health Science University and has a special interest in kidney transplants, having been a member of the OHSU transplant team.


    Accepting new patients


Kidney Stones

Crystals formed in the kidney that cause pain and potential blockage in the urinary tract.