Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Charles E Nussbaum, MD

Neurological Surgery Physician in Seattle, WA · enumerated 2006.

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

National Provider Identifier

1144233966

Verified

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Registry record

Entity type Individual (Type 1)

Name Charles E Nussbaum

Credential MD

Sex Male

Practice address 1100 9th Ave, Seattle, WA, 98101

Phone (206) 223-6600

Enumeration date Aug 14, 2006

Last updated in NPPES Jun 4, 2019

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License MD00027304 (WA) Secondary

207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License MD00027304 (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
MD8523W	Other	WA	ALASKA MEDICAID
0039591	Other	WA	LABOR & INDUSTRY
8118077	Medicaid	WA	-
NU4423	Other	WA	BLUE SHIELD
140006459	Other	-	RAILROAD MEDICARE
US0861499	Other	WA	AETNA/USHC SPECIALIST

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 Charles Nussbaum?

The National Provider Identifier (NPI) for Charles Nussbaum is 1144233966, a Type 1 (individual) record in the CMS NPPES registry.

Where does Charles Nussbaum practice?

The practice location on file with NPPES is in Seattle, 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 2019-06-04.