Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Optum Care Washington Pllc

Q: What is the NPI number for Optum Care Washington Pllc?

The NPI for Optum Care Washington Pllc is 1588812879, a Type 2 (organization) record in the CMS NPPES registry.

Durable Medical Equipment & Medical Supplies in Everett, WA · enumerated 2008 · authorized official George Go, Board President.

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

National Provider Identifier

1588812879

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Registry record

Entity type Organization (Type 2)

Legal business name Optum Care Washington Pllc

Other name <Unavail>

Parent organization Everett Physicians, Inc. P.S.

Practice address 4027 Hoyt Ave, Everett, WA, 98201

Phone (425) 339-5489

Enumeration date Aug 29, 2008

Last updated in NPPES Apr 10, 2024

Taxonomy & classification

332B00000X Durable Medical Equipment & Medical Supplies Suppliers Primary

Authorized official

Name George Go

Title Board President

Phone (425) 259-0966

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

Who is the authorized official for Optum Care Washington Pllc?

NPPES lists George Go (Board President) as the authorized official for this organization.

What is the NPI number for Optum Care Washington Pllc?

The NPI for Optum Care Washington Pllc is 1588812879, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-10.