Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William H Light, M.D.

Internal Medicine Physician in Germantown, TN · enumerated 2006 · practices at William H Light MD PC.

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

National Provider Identifier

1881646099

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Registry record

Entity type Individual (Type 1)

Name Dr. William H Light

Credential M.D.

Sex Male

Practice address 7715 Wolf River Blvd, Germantown, TN, 38138

Phone (901) 328-6031

Fax (901) 328-6035

Enumeration date May 16, 2006

Last updated in NPPES Oct 25, 2016

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 13583 (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
3139108	Other	TN	BLUE CROSS OF TENNESSEE

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

Where does William Light practice?

The practice location on file with NPPES is in Germantown, TN. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for William Light?

The National Provider Identifier (NPI) for William Light is 1881646099, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-10-25.