Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William J Curtis, MD

Ophthalmology Physician in Lexington, KY · enumerated 2005.

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

National Provider Identifier

1871598672

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Registry record

Entity type Individual (Type 1)

Name William J Curtis

Credential MD

Sex Male

Practice address 601 Perimeter Dr, Ste 200, Lexington, KY, 40517

Phone (859) 278-9393

Fax (859) 278-0923

Enumeration date Jun 17, 2005

Last updated in NPPES Jan 21, 2016

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 31282 (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
64312820	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 is the NPI number for William Curtis?

The National Provider Identifier (NPI) for William Curtis is 1871598672, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Curtis practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-01-21.