DR. THOMAS WEST GREIG MD, MPH, MSIST
NPI 1104788017
Preventive Medicine - Aerospace Medicine in Oakton, VA

Q: What is Thomas Greig's NPI number?

The NPI number for Thomas Greig is 1104788017. It was assigned to this individual provider in the NPPES registry on November 29, 2025.

Q: What is Thomas Greig's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Aerospace Medicine, with taxonomy code 2083A0100X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Greig was last updated on November 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 29, 2025

11711 LARIAT LN, OAKTON, VA 22124(571) 265-9340 Get Directions Write a Review

NPPES record last updated: November 29, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Thomas West Greig Md, Mph, Msist NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS WEST GREIG MD, MPH, MSIST (NPI 1104788017) is an individual aerospace medicine provider in Oakton, Virginia, licensed in Georgia (037222) and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1104788017

Entity TypeIndividualMale

Primary Taxonomy2083A0100X

Provider Legal NameDR. THOMAS WEST GREIGCredential: MD, MPH, MSIST

Location Address11711 LARIAT LNOakton, VA 22124-2323

Mailing Address11711 Lariat LnOakton, VA 22124-2323 · (571) 265-9340

Phone(571) 265-9340

Sole ProprietorYes

Enumeration DateNovember 29, 2025

NPPES CertifiedNovember 29, 2025

✔ NPI 1104788017 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPreventive Medicine · Aerospace MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083A0100X

License✔ Licensed in GA · 037222

Definition

Aerospace medicine focuses on the clinical care, research, and operational support of the health, safety, and performance of crewmembers and passengers of air and space vehicles, together with the support personnel who assist operation of such vehicles. This population often works and lives in remote, isolated, extreme, or enclosed environments under conditions of physical and psychological stress. Practitioners strive for an optimal human-machine match in occupational settings rich with environmental hazards and engineering countermeasures.

Also ListedPreventive Medicine · Clinical InformaticsTaxonomy 2083C0008X · License 037222 (GA)

Also ListedPreventive Medicine · Preventive Medicine/Occupational Environmental MedicineTaxonomy 2083P0500X · License 037222 (GA)

Also ListedPreventive Medicine · Occupational MedicineTaxonomy 2083X0100X · License 037222 (GA)

11711 LARIAT LN, Oakton, VA 22124

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Greig's NPI number?

The NPI number for Thomas Greig is 1104788017. It was assigned to this individual provider in the NPPES registry on November 29, 2025.

Where is Thomas Greig located?

Thomas Greig practices at 11711 Lariat Ln, Oakton, VA 22124. The listed phone number is (571) 265-9340.

What is Thomas Greig's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Aerospace Medicine, with taxonomy code 2083A0100X.

When was this NPI record last updated?

The NPPES record for Thomas Greig was last updated on November 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.