Our team of kidney doctors, advanced practice providers, nurses, dietitians and social workers work together closely to give your child the best treatment.



Advanced Practice Providers


Registered Nurses

  • Jonelle Coombs, BSN, RN
  • Eleanora Diehl, RN
  • Sophan Einfeld, RN, BSN
  • Tina Kvale, BSN, RN, CNN
  • Mitzi Limesand, BSN, RN
  • Melinda Powers, BSN, RN, CPN
  • Cathy Watt, BSN, RN, CNN


  • Hector Diaz, RD
  • Peggy Solan, RDN, CD
  • Kirsten Thompson, MPH, RDN

Social Workers

  • Jamie Olsen, MA, LICSW (Dialysis, Nephrology)
  • Kathryn Thurber-Smith, LICSW (Nephrology)
  • Marion Wilson, MSW LICSW (Dialysis)
  • Libby Winstanley, MSW (Dialysis)

Contact Us

For more information, contact Nephrology at 206-987-2524. If you would like an appointment, ask your child’s primary care provider for a referral.

Providers, see how to refer a patient.