Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Gregory John Thomson, M.D.

Orthopaedic Trauma Physician in Jackson, WY · enumerated 2006.

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

National Provider Identifier

1992870471

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Registry record

Entity type Individual (Type 1)

Name Dr. Gregory John Thomson

Credential M.D.

Sex Male

Practice address Jackson, WY, 83001

Phone (833) 437-4863

Fax (949) 561-4107

Enumeration date Nov 21, 2006

Last updated in NPPES Dec 19, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207XX0801X Orthopaedic Trauma Physician Allopathic & Osteopathic Physicians · License MEDS7811 (AK) Secondary

207XX0801X Orthopaedic Trauma Physician Allopathic & Osteopathic Physicians · License 12812A (WY) Primary

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
262452	Medicaid	OR	-
158337	Other	WA	WASH L & I
1114511	Medicaid	WA	-

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 Gregory Thomson practice?

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

What is the NPI number for Gregory Thomson?

The National Provider Identifier (NPI) for Gregory Thomson is 1992870471, 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 2020-12-19.