Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARLENE HILLYER
NPI 1336442334
Dietitian, Registered in Vancouver, WA

Q: What is Marlene Hillyer's NPI number?

The NPI number for Marlene Hillyer is 1336442334. It was assigned to this individual provider in the NPPES registry on December 13, 2010. The provider is also known as Marlene Maltby.

Q: What is Marlene Hillyer's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Q: When was this NPI record last updated?

The NPPES record for Marlene Hillyer was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 13, 2010

101 E 8TH ST STE 110, VANCOUVER, WA 98660(360) 209-4050 Get Directions Write a Review

NPPES record last updated: August 28, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 28, 2026, Aug 8, 2026, Mar 10, 2025 and 7 more (10 updates tracked since 2017).

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About Marlene Hillyer NPPES

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

MARLENE HILLYER (NPI 1336442334) is an individual dietitian, registered in Vancouver, Washington, licensed in Washington (DI60202010) and active in the NPI registry since December 2010. She maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1336442334

Entity TypeIndividualFemale

Primary Taxonomy133V00000X

Provider Legal NameMARLENE HILLYER

Location Address101 E 8TH ST STE 110Vancouver, WA 98660-3294

Mailing Address8301b 5th Ave NeSeattle, WA 98115-4118

Phone(360) 209-4050

Sole ProprietorNo

Enumeration DateDecember 13, 2010

Last NPPES UpdateAugust 28, 202610 updates tracked since enumeration

NPPES CertifiedAugust 28, 2026

✔ NPI 1336442334 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

License✔ Licensed in WA · DI60202010

Definition

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

Also ListedDietitian, Registered · Nutrition, PediatricTaxonomy 133VN1004X

101 E 8TH ST STE 110, Vancouver, WA 98660

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Other Names 1

Former Name (1)Marlene Maltby

Secondary Practice Location 1

Location 18301B 5th Ave NESeattle, WA 98115-4118 · Phone (360) 209-4050

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, PacificSource Health Plans, Regence BlueCross BlueShield of Oregon.Insurance ›

Other Providers at the Same Location NPPES 20

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

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