Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

William H Barber, MD

Q: What is the NPI number for William H Barber, MD?

The NPI for William H Barber, MD is 1669806378, a Type 2 (organization) record in the CMS NPPES registry.

Surgery Physician in Greenville, MS · enumerated 2013 · authorized official William Barber, Owner.

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

National Provider Identifier

1669806378

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Registry record

Entity type Organization (Type 2)

Legal business name William H Barber, MD

Practice address 344 Arnold Ave, Greenville, MS, 38701

Phone (662) 332-8131

Enumeration date Aug 29, 2013

Last updated in NPPES Aug 29, 2013

Taxonomy & classification

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 13654 (MS) Primary

Authorized official

Name William Barber

Title Owner

Phone (662) 332-8131

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 William H Barber, MD?

The NPI for William H Barber, MD is 1669806378, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for William H Barber, MD?

NPPES lists William Barber (Owner) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-29.