Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Russell Alan Williams, MD

Surgery Physician in Louisville, KY · enumerated 2005.

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

National Provider Identifier

1578551008

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Registry record

Entity type Individual (Type 1)

Name Russell Alan Williams

Credential MD

Sex Male

Practice address 201 Abraham Flexner Way, Ste 902, Louisville, KY, 40202

Phone (502) 583-5948

Fax (502) 583-1804

Enumeration date Oct 10, 2005

Last updated in NPPES Jan 23, 2019

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 24718 (KY) 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
K209590-KOHMG	Other	KY	KY MEDICARE
64247182	Medicaid	KY	-

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 Russell Williams?

Russell Williams is registered in NPPES with the primary taxonomy of Surgery 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 2019-01-23.