Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomas J Gregus, MD

Anesthesiology Physician in Chesapeake, VA · enumerated 2005.

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

National Provider Identifier

1285625426

Verified

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Registry record

Entity type Individual (Type 1)

Name Thomas J Gregus

Credential MD

Sex Male

Practice address 429 Mill Stone Rd, Chesapeake, VA, 23322

Phone (757) 460-1383

Enumeration date Nov 4, 2005

Last updated in NPPES Oct 22, 2007

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 0101046781 (VA) 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

What is the NPI number for Thomas Gregus?

The National Provider Identifier (NPI) for Thomas Gregus is 1285625426, a Type 1 (individual) record in the CMS NPPES registry.

Where does Thomas Gregus practice?

The practice location on file with NPPES is in Chesapeake, VA. 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 2007-10-22.