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

Other identifiers

Identifier	Type	State	Issuer
311473421	Other	OH	TAX ID

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.