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DR. ELIZABETH HOPE SIMS-DAY ND
NPI 1841709714
Naturopath in Woodinville, WA

Active since September 23, 2017
17924 140TH AVE NE STE 100, WOODINVILLE, WA 98072(425) 408-0040(425) 381-4833 Get Directions Write a Review

NPPES record last updated: March 1, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 1, 2025, Jul 21, 2022, Nov 10, 2017 and 1 more (4 updates tracked since 2017).

About Dr. Elizabeth Hope Sims-day Nd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ELIZABETH HOPE SIMS-DAY ND (NPI 1841709714) is an individual naturopath provider in Woodinville, Washington, licensed in Washington (60807288) and active in the NPI registry since September 2017.

NPPES Registry Identity

NPI1841709714
Entity TypeIndividualFemale
Primary Taxonomy175F00000X
Provider Legal NameDR. ELIZABETH HOPE SIMS-DAYCredential: ND
Location Address17924 140TH AVE NE STE 100Woodinville, WA 98072-4315
Mailing Address17924 140th Ave Ne Ste 100Woodinville, WA 98072-4315 · (425) 408-0040 · Fax (425) 381-4833
Phone(425) 408-0040
Fax(425) 381-4833
Sole ProprietorYes
Enumeration DateSeptember 23, 2017
Last NPPES UpdateMarch 1, 20254 updates tracked since enumeration
NPPES CertifiedMarch 1, 2025
✔ NPI 1841709714 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNaturopathOther Service Providers
Taxonomy Code175F00000X
License✔ Licensed in WA · 60807288
Definition
Diagnoses, treats, and cares for patients, using system of practice that bases treatment of physiological functions and abnormal conditions on natural laws governing human body: Utilizes physiological, psychological, and mechanical methods, such as air, water, light, heat, earth, phototherapy, food and herb therapy, psychotherapy, electrotherapy, physiotherapy, minor and orificial surgery, mechanotherapy, naturopathic corrections and manipulation, and natural methods or modalities, together with natural medicines, natural processed foods, and herbs and nature's remedies. Excludes major surgery, therapeutic use of x ray and radium, and use of drugs, except those assimilable substances containing elements or compounds which are components of body tissues and are physiologically compatible to body processes for maintenance of life.
17924 140TH AVE NE STE 100, Woodinville, WA 98072
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELEONORA NAYDIS N.D., L.AC.
Naturopath
17924 140TH AVE NE STE 100
WOODINVILLE, WA 98072
King County (425) 408-0040
DR. ALLISON APFELBAUM N.D.
Naturopath
17924 140TH AVE NE STE 100
WOODINVILLE, WA 98072
King County (425) 408-0040

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Elizabeth Sims-day's NPI number?

The NPI number for Elizabeth Sims-day is 1841709714. It was assigned to this individual provider in the NPPES registry on September 23, 2017.

Where is Elizabeth Sims-day located?

Elizabeth Sims-day practices at 17924 140th Ave NE Ste 100, Woodinville, WA 98072. The listed phone number is (425) 408-0040.

What is Elizabeth Sims-day's specialty?

The primary specialty registered for this NPI is Naturopath with taxonomy code 175F00000X.

What insurance does Elizabeth Sims-day accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Elizabeth Sims-day as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Elizabeth Sims-day was last updated on March 1, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.