Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gregory Robert Thoreson, M.D.

Urology Physician in Dallas, TX · enumerated 2010.

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

National Provider Identifier

1093034126

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Registry record

Entity type Individual (Type 1)

Name Gregory Robert Thoreson

Credential M.D.

Sex Male

Practice address 3417 Gaston Ave, Suite 830, Dallas, TX, 75246

Phone (214) 826-6021

Fax (214) 823-9745

Enumeration date May 28, 2010

Last updated in NPPES Jan 19, 2017

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License Q4316 (TX) 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
348940302	Medicaid	TX	-
348940301	Medicaid	TX	-
348940303	Medicaid	TX	-

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 Gregory Thoreson?

The National Provider Identifier (NPI) for Gregory Thoreson is 1093034126, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Thoreson practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-01-19.