Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karl Sy-Cherng Chiang, MD

Vascular & Interventional Radiology Physician in Greenville, NC · enumerated 2005.

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

National Provider Identifier

1598747446

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Registry record

Entity type Individual (Type 1)

Name Karl Sy-Cherng Chiang

Credential MD

Sex Male

Practice address 2101 W Arlington Blvd Ste 210, Greenville, NC, 27834

Phone (252) 752-5000

Fax (252) 931-7694

Enumeration date Nov 16, 2005

Last updated in NPPES Apr 28, 2022

Taxonomy & licenses

2085R0204X Vascular & Interventional Radiology Physician Allopathic & Osteopathic Physicians · License 36675 (NC) 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
1598747446	Medicaid	NC	-
1598747446	Other	NC	BLUE CROSS BLUE SHIELD NORTH CAROLINA

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 specialty is Karl Chiang?

Karl Chiang is registered in NPPES with the primary taxonomy of Vascular & Interventional Radiology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-28.