Meet Your Team

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.