Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nikolaos Trichopoulos, M.D.

Ophthalmology Physician in Louisville, KY · enumerated 2007 · practices at University Kidney Center Bluegrass LLC.

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

National Provider Identifier

1891900189

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Registry record

Entity type Individual (Type 1)

Name Nikolaos Trichopoulos

Credential M.D.

Sex Male

Practice address 1935 Bluegrass Ave, Suite 200, Louisville, KY, 40215

Phone (502) 364-0033

Fax (502) 361-4488

Enumeration date May 11, 2007

Last updated in NPPES Jun 11, 2015

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 57378 (WI) Secondary

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 48044 (KY) Primary

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 01074950A (IN) Secondary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Nikolaos Trichopoulos practice?

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

What is the NPI number for Nikolaos Trichopoulos?

The National Provider Identifier (NPI) for Nikolaos Trichopoulos is 1891900189, 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 2015-06-11.