Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marion L Arnett, MD

Specialist in Spartanburg, SC · enumerated 2006.

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

National Provider Identifier

1669433710

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Registry record

Entity type Individual (Type 1)

Name Marion L Arnett

Credential MD

Sex Male

Practice address 391 Serpentine Dr, Suite 500, Spartanburg, SC, 29303

Phone (864) 585-8221

Fax (864) 216-4290

Enumeration date Mar 29, 2006

Last updated in NPPES Jan 10, 2008

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 7484 (SC) 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
074840	Medicaid	SC	-

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 Marion Arnett?

Marion Arnett is registered in NPPES with the primary taxonomy of Specialist. 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 2008-01-10.