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Stefanie Leniszewski, MS, RDN, CDCES

Photo of Stefanie Leniszewski MS, RDN, CDCES


Phone: (425) 791-3087


Diabetes & Nutrition
Philosophy: As a Registered Dietitian Nutritionist and Certified Diabetes Care and Education Specialist, my role is to provide support, education, and encouragement to patients. My approach is to meet my patients where they are and to partner with them to develop individualized steps toward optimal health and well-being.

Specialty: Registered Dietitian Nutritionist

Location training and type of degree: 

  • Bachelor of Science, Exercise Science and Kinesiology, Washington State University, Pullman, WA
  • Master of Science, Nutrition, University of Utah, Salt Lake City, UT

Internship organization/location:

  • Dietetic Internship – University of Utah, Salt Lake City, UT


  • Certified Diabetes Care & Education Specialist (CDCES)
  • Certificate of Training in Childhood and Adolescent Weight Management

Professional interests:

  • Diabetes (all types)
  • Digestive disorders
  • Cardiovascular nutrition
  • Pediatric nutrition
  • Sports nutrition

Special training:

  • Insulin Pumps: Medtronic, OmniPod, Tandem
  • Continuous Glucose Monitors (CGM): Dexcom, Medtronic, Libre, Eversense

Affiliated organizations and positions held:

  • American Association of Diabetes Care & Education Specialists
  • Academy of Nutrition and Dietetics: Diabetes Care and Education Practice Group and Sports, Cardiovascular, and Wellness Nutrition Practice Group
  • Washington Association of Diabetes Educators, Secretary, 2007

Professional speaking:

  • Northwest Hospital School Nurses Conference: Insulin Pumps in Schools, 2015
  • Parent Designated Adult Training, Riverview School District, Issaquah School District
  • JDRF Northwest Family Outreach Event, 2015
  •  American Diabetes Association Family Retreat, 2013

Personal interests:

When not working, I spend my time coordinating the schedule of 3 fairly busy kids. I also enjoy running, hiking, paddle boarding, and snow skiing. As a family, we travel quite a bit and have logged thousands of miles on the road and in the air.

Practice status:

Active—Accepting New Patients

We accept most insurance plans.