Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Virag Jr., DMD,MSD

Q: What is the NPI number for John Virag?

The National Provider Identifier (NPI) for John Virag is 1831207810, a Type 1 (individual) record in the CMS NPPES registry.

Dentist in Louisville, KY · enumerated 2006.

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

National Provider Identifier

1831207810

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Registry record

Entity type Individual (Type 1)

Name Dr. John Virag Jr.

Credential DMD,MSD

Sex Male

Practice address 501 S Preston St, #236, Louisville, KY, 40202

Phone (502) 852-6928

Enumeration date Aug 29, 2006

Last updated in NPPES Nov 15, 2007

Taxonomy & licenses

122300000X Dentist Dental Providers · License 6311 (KY) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD 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

What is the NPI number for John Virag?

The National Provider Identifier (NPI) for John Virag is 1831207810, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Virag practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-15.