Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Richard D Gregory MD Inc A Professional Corporation

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Fresno, CA · enumerated 2009 · authorized official Richard Gregory, President.

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

National Provider Identifier

1639304462

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Registry record

Entity type Organization (Type 2)

Legal business name Richard D Gregory MD Inc A Professional Corporation

Practice address 1241 E Alluvial Ave, 101, Fresno, CA, 93720

Phone (559) 431-6226

Fax (559) 440-9005

Enumeration date May 22, 2009

Last updated in NPPES May 22, 2009

Taxonomy & classification

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License G75677 (CA) Primary

Authorized official

Name Richard Gregory

Title President

Phone (559) 431-6226

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.

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Frequently asked questions

What is the NPI number for Richard D Gregory MD Inc A Professional Corporation?

The NPI for Richard D Gregory MD Inc A Professional Corporation is 1639304462, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Richard D Gregory MD Inc A Professional Corporation?

NPPES lists Richard Gregory (President) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-05-22.