Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Simon Elloway, MD

Family Medicine Physician in Chehalis, WA · enumerated 2006.

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

National Provider Identifier

1811057870

Verified

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Registry record

Entity type Individual (Type 1)

Name Simon Elloway

Credential MD

Sex Male

Practice address Chehalis, WA, 98532

Phone (360) 748-4461

Fax (360) 748-1626

Enumeration date Dec 11, 2006

Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MD00008970 (WA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
1006287	Medicaid	WA	-
L00110	Other	WA	REGENCE BLUESHIELD
89270	Other	WA	LABORS AND INDUSTRIES

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 is the NPI number for Simon Elloway?

The National Provider Identifier (NPI) for Simon Elloway is 1811057870, a Type 1 (individual) record in the CMS NPPES registry.

Where does Simon Elloway practice?

The practice location on file with NPPES is in Chehalis, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.