Individual provider Active NPI

Marlene Hillyer

  • Registered Dietitian
  • Vancouver, WA
National Provider Identifier
1336442334
Registry record updated Aug 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
License
DI60202010 Issued in WA
Practice address
101 E 8TH St Ste 110
Vancouver, WA 98660-3294
Phone
(360) 209-4050
NPI assigned
Dec 13, 2010
Last updated
Aug 28, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 28, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Nutrition Registered Dietitian 133VN1004X
Registered Dietitian 133V00000X DI60202010 WA Primary

Addresses

Primary practice location

101 E 8TH St Ste 110
Vancouver, WA 98660-3294

Mailing address

8301B 5TH Ave NE
Seattle, WA 98115-4118

Other practice location 1

8301B 5th Ave NE
Seattle, WA 98115-4118
Phone (360) 209-4050

Other names 1

  • Marlene Maltby Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
DI60202010WAMDRegistered Dietitian

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1292198400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787875200000",
    "number": "1336442334",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8301B 5TH AVE NE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981154118"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 E 8TH ST STE 110",
            "city": "VANCOUVER",
            "state": "WA",
            "postal_code": "986603294",
            "telephone_number": "360-209-4050"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8301B 5th Ave NE",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981154118",
            "country_code": "US",
            "telephone_number": "360-209-4050",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HILLYER",
        "first_name": "MARLENE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-12-13",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133VN1004X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered, Nutrition, Pediatric",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "WA",
            "license": "DI60202010",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARLENE",
            "last_name": "MALTBY",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Vancouver, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.