Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Julie Myers Thomas, MD

Q: What is the NPI number for Julie Thomas?

The National Provider Identifier (NPI) for Julie Thomas is 1558447276, a Type 1 (individual) record in the CMS NPPES registry.

Internal Medicine Physician in Mercer Island, WA · enumerated 2006.

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

National Provider Identifier

1558447276

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Registry record

Entity type Individual (Type 1)

Name Julie Myers Thomas

Credential MD

Sex Female

Practice address 3236 78th Ave Se, Ste 200, Mercer Island, WA, 98040

Phone (206) 275-5060

Fax (206) 275-5061

Enumeration date Oct 27, 2006

Last updated in NPPES Oct 9, 2020

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD00037996 (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
2000423	Other	-	INTERNAL ID-MOTOR VEHICLE ID
110236123	Other	WA	RAILROAD MEDICARE
245772	Other	WA	LNI
8248916	Medicaid	WA	-
4767TH	Other	WA	REGENCE
P00773104	Other	WA	PALMETTO RR MEDICARE

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 Julie Thomas?

The National Provider Identifier (NPI) for Julie Thomas is 1558447276, a Type 1 (individual) record in the CMS NPPES registry.

Where does Julie Thomas practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-09.