Medical Nutrition Therapy Services

Need help eating right to stay well? Registered Dietitian/Nutritionist (RDN) services are available at WhidbeyHealth by appointment.

Our Registered Dietitians work with clients to use food and nutrition as a way of managing their health.  

Services cover:

  • Diabetes
  • Chronic Kidney Disease
  • Cardiac/Heart Health
  • Weight Management
  • Gastrointestinal Issues



Learn More About Our Dietitians

Erin Simms RDN

Dietitian Erin Simms, RDN, CD, CNSC, CDE, is a Registered Dietitian/Nutritionist certified in Washington State. She is also a Certified Nutrition Support Clinician and a Certified Diabetic Educator and participates in our Accredited Diabetes Education Program. Simms received her Bachelor of Science degree in Human Nutrition from the University of Massachusetts-Amherst and completed her dietetic internship at the Medical College of Virginia in Richmond. She works in both our in-patient and out-patient settings, providing individualized Medical Nutrition Therapy as well as supporting the nutrition needs of our Diabetes and Oncology services.

Maggie McGinnis RDN

Dietitian Maggie McGinnis, MS, RDN, CD is a Registered Dietitian/Nutritionist and Certified Nutrition Education Specialist certified in Washington State. She has Bachelor of Science degree in Nutrition and Dietetics from Seattle Pacific University and a Master’s in Nutrition Education from Eastern Illinois University. McGinnis primarily works with the in-patient population at WhidbeyHealth Medical Center providing nutrition assessment and medical nutrition therapy counseling. She also teaches the nutrition classes now in the Health Education Center on the lower level of the new wing.

If you would like to make an appointment, ask your Primary Care Provider for a referral using this form
for Medical Nutrition Therapy at WhidbeyHealth Medical Center.

Contact our dietitians directly with questions you may have at 360.678.7656 ext. 3202 or 360.321.7656 ext. 3202. 
To schedule an appointment, call Central Scheduling Services: 360.678.7607