Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christi Willen, MD

Pediatric Ophthalmology and Strabismus Specialist Physician in Lexington, KY · enumerated 2007.

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

National Provider Identifier

1639387509

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Registry record

Entity type Individual (Type 1)

Name Christi Willen

Credential MD

Sex Female

Practice address 110 Conn Ter Ste 550, Lexington, KY, 40508

Phone (859) 323-5867

Enumeration date May 21, 2007

Last updated in NPPES Mar 17, 2018

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 41751 (KY) Secondary

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 26852 (AL) Secondary

207WX0110X Pediatric Ophthalmology and Strabismus Specialist Physician Allopathic & Osteopathic Physicians · License 4151 (KY) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Christi Willen?

Christi Willen is registered in NPPES with the primary taxonomy of Pediatric Ophthalmology and Strabismus Specialist 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 2018-03-17.