Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dick Guang-Iong Hwang, M.D., PH.D.

Q: What is the NPI number for Dick Hwang?

The National Provider Identifier (NPI) for Dick Hwang is 1407047558, a Type 1 (individual) record in the CMS NPPES registry.

Anatomic Pathology & Clinical Pathology Physician in Seattle, WA · enumerated 2007.

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

National Provider Identifier

1407047558

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Registry record

Entity type Individual (Type 1)

Name Dick Guang-Iong Hwang

Credential M.D., PH.D.

Sex Male

Practice address 825 Eastlake Ave E, Seattle, WA, 98109

Phone (206) 520-5000

Enumeration date Aug 5, 2007

Last updated in NPPES Aug 11, 2025

Taxonomy & licenses

207ZH0000X Hematology (Pathology) Physician Allopathic & Osteopathic Physicians · License MD60288034 (WA) Secondary

207ZP0105X Clinical Pathology/Laboratory Medicine Physician Allopathic & Osteopathic Physicians · License MD60288034 (WA) Secondary

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License MD60288034 (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
1407047558	Medicaid	WA	-
0297074	Other	WA	LABOR AND INDUSTRY
P01114180	Other	WA	RAILROAD MEDICARE
1407047558	Other	WA	MONTANA DSHS

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 Dick Hwang?

The National Provider Identifier (NPI) for Dick Hwang is 1407047558, a Type 1 (individual) record in the CMS NPPES registry.

Where does Dick Hwang practice?

The practice location on file with NPPES is in Seattle, 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 2025-08-11.