Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Keith D Williams, M.D.

Orthopaedic Surgery of the Spine Physician in Germantown, TN · enumerated 2005.

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

National Provider Identifier

1154318947

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Registry record

Entity type Individual (Type 1)

Name Dr. Keith D Williams

Credential M.D.

Sex Male

Practice address 1400 S Germantown Rd, Germantown, TN, 38138

Phone (901) 759-3100

Enumeration date Oct 5, 2005

Last updated in NPPES Oct 6, 2022

Taxonomy & licenses

207XS0117X Orthopaedic Surgery of the Spine Physician Allopathic & Osteopathic Physicians · License 21571 (TN) 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
00124453	Medicaid	MS	-
004420759	Medicaid	MS	-
Q016958	Medicaid	TN	-
120338001	Medicaid	AR	-

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.

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Frequently asked questions

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.

What specialty is Keith Williams?

Keith Williams is registered in NPPES with the primary taxonomy of Orthopaedic Surgery of the Spine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-10-06.