Marlene Hillyer, RDN
NPI 1336442334 · Registered Dietitian · Seattle, WA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marlene Hillyer, RDN is a Registered Dietitian provider in Seattle, WA (NPI 1336442334).
Provider details
- NPI number
- 1336442334
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN
- Sex
- Female
- Sole proprietor
- Yes
- License
- DI60202010 (WA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-12-13
- Last updated
- 2025-10-29
- Certified
- 2025-10-29
Frequently asked questions
- What is Marlene Hillyer's NPI number?
- Marlene Hillyer's National Provider Identifier (NPI) is 1336442334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marlene Hillyer's specialty?
- Marlene Hillyer is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Marlene Hillyer located?
- Marlene Hillyer's practice location on file with NPPES is 8301b 5th Ave Ne, Seattle, WA 98115-4118.
- What is Marlene Hillyer's phone number?
- The practice phone number listed in the NPPES registry for Marlene Hillyer is (206) 799-7010.
- Does Marlene Hillyer accept Medicare?
- Marlene Hillyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marlene Hillyer's NPI active?
- Yes — Marlene Hillyer's NPI (1336442334) is active in the NPPES registry as of the last update on 2025-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.