Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

S. Thomas Rayburn III, MD, P.A.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Little Rock, AR · enumerated 2012 · authorized official Samuel Rayburn, President.

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

National Provider Identifier

1740550805

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Registry record

Entity type Organization (Type 2)

Legal business name S. Thomas Rayburn III, MD, P.A.

Practice address 9601 Baptist Health Dr, Ste. 570, Little Rock, AR, 72205

Phone (501) 223-5757

Fax (501) 223-5758

Enumeration date Jan 6, 2012

Last updated in NPPES Jan 6, 2012

Taxonomy & classification

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License E2209 (AR) Primary

Authorized official

Name Samuel Rayburn

Title President

Phone (501) 223-5757

Other identifiers

Identifier	Type	State	Issuer
137308001	Medicaid	AR	-

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 type of organization is S. Thomas Rayburn III, MD, P.A.?

S. Thomas Rayburn III, MD, P.A. is registered in NPPES as a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-01-06.