Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. William P Walker III, MD

Internal Medicine Physician in Shallotte, NC · enumerated 2005.

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

National Provider Identifier

1578564142

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Registry record

Entity type Individual (Type 1)

Name Mr. William P Walker III

Credential MD

Sex Male

Practice address 712 Village Rd Sw, Suite 206, Shallotte, NC, 28470

Phone (910) 755-6232

Fax (910) 755-5984

Enumeration date Aug 9, 2005

Last updated in NPPES Aug 24, 2012

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 9500754 (NC) Primary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 9500754 (NC) Secondary

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
304049	Medicaid	SC	-
561931514	Other	NC	UNITED HEALTHCARE
85373	Other	NC	BCBS
8985373	Medicaid	NC	-

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

How do I verify William Walker's NPI record?

Cross-check NPI 1578564142 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1578564142 active?

Yes, as of the latest NPPES snapshot, NPI 1578564142 is active (record last updated 2012-08-24).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-08-24.