Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomas Dresser Irons, MD

Student in an Organized Health Care Education/Training Program in Las Vegas, NV · enumerated 2022.

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

National Provider Identifier

1598414427

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Registry record

Entity type Individual (Type 1)

Name Thomas Dresser Irons

Credential MD

Sex Male

Practice address 1701 W Charleston Blvd Ste 490, Las Vegas, NV, 89102

Phone (227) 370-2671

Enumeration date Mar 19, 2022

Last updated in NPPES Mar 13, 2026

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License LL3813 (NV) Secondary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1598414427 active?

Yes, as of the latest NPPES snapshot, NPI 1598414427 is active (record last updated 2026-03-13).

How do I verify Thomas Irons's NPI record?

Cross-check NPI 1598414427 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Matthew Kelecy Student in an Organized Health Care Education/Training Program · Las Vegas, NV NPI 1841797867 Mary Froehlich Student in an Organized Health Care Education/Training Program · Las Vegas, NV NPI 1154880904 Aradhana Mehta Plastic Surgery Physician · Las Vegas, NV NPI 1346700754 Cory Colombini Student in an Organized Health Care Education/Training Program · Las Vegas, NV NPI 1912585415 Nathan Lloyd Student in an Organized Health Care Education/Training Program · Las Vegas, NV NPI 1093394173 Paul Kim Student in an Organized Health Care Education/Training Program · Las Vegas, NV NPI 1699424572 Seungwon Jong Student in an Organized Health Care Education/Training Program · Las Vegas, NV NPI 1407505225 Brent Blackwell Student in an Organized Health Care Education/Training Program · Las Vegas, NV NPI 1275282188

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-13.