Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Louie E Tsiktsiris, MD

Rheumatology Physician in Everett, WA · enumerated 2005.

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

National Provider Identifier

1720086168

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Registry record

Entity type Individual (Type 1)

Name Louie E Tsiktsiris

Credential MD

Sex Male

Practice address 3901 Hoyt Ave, Everett, WA, 98201

Phone (425) 339-5445

Fax (425) 303-3097

Enumeration date Jul 11, 2005

Last updated in NPPES May 14, 2026

Taxonomy & licenses

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License MD60614080 (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
89130H7	Medicaid	NC	-
2056359	Medicaid	WA	-

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.

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Frequently asked questions

What is the NPI number for Louie Tsiktsiris?

The National Provider Identifier (NPI) for Louie Tsiktsiris is 1720086168, a Type 1 (individual) record in the CMS NPPES registry.

Where does Louie Tsiktsiris practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-14.