Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marissa Lee Darling, RD

Registered Dietitian in Everett, WA · enumerated 2016.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1699131284

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Registry record

Entity type Individual (Type 1)

Name Marissa Lee Darling

Credential RD

Sex Female

Practice address 1019 112th St Sw, Everett, WA, 98204

Phone (425) 551-6200

Enumeration date Jan 12, 2016

Last updated in NPPES May 29, 2018

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 1201 (CT) Secondary

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 60827582 (WA) Primary

RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration. About the RD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Marissa Darling?

Marissa Darling is registered in NPPES with the primary taxonomy of Registered Dietitian. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-05-29.