Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Greenville Health System

Q: What is the NPI number for Greenville Health System?

The NPI for Greenville Health System is 1952351249, a Type 2 (organization) record in the CMS NPPES registry.

Comprehensive Outpatient Rehabilitation Facility (CORF) in Greenville, SC · enumerated 2006 · authorized official Michael Riordan, President/Ceo.

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

National Provider Identifier

1952351249

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Registry record

Entity type Organization (Type 2)

Legal business name Greenville Health System

Other name <Unavail>

Practice address 100 Augusta St, Greenville, SC, 29601

Phone (864) 455-2600

Enumeration date May 10, 2006

Last updated in NPPES Aug 17, 2018

Taxonomy & classification

261QR0401X Comprehensive Outpatient Rehabilitation Facility (CORF) Ambulatory Health Care Facilities Primary

Authorized official

Name Michael Riordan

Title President/Ceo

Phone (864) 797-7808

Other identifiers

Identifier	Type	State	Issuer
GP2654	Medicaid	SC	-
7202309	Other	SC	AETNA
1137663	Other	SC	CIGNA
20018231	Other	SC	SELECT HEALTH

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

Who is the authorized official for Greenville Health System?

NPPES lists Michael Riordan (President/Ceo) as the authorized official for this organization.

What is the NPI number for Greenville Health System?

The NPI for Greenville Health System is 1952351249, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Dana Rutland Pediatric Physical Therapist · Greenville, SC NPI 1447261177 Sheldon Herring Clinical Neuropsychologist · Greenville, SC NPI 1043362833 Anita Mcquillen Clinical Neuropsychologist · Greenville, SC NPI 1821140633 Joseph Hammond Clinical Neuropsychologist · Greenville, SC NPI 1437545373 Prisma Health-Upstate Comprehensive Outpatient Rehabilitation Facility (CORF) · Greenville, SC NPI 1861947756 Marlene Cabrera Psychologist · Greenville, SC NPI 1306394853 Charlotte Howell Occupational Therapist · Greenville, SC NPI 1740703289 Stephen Brown Clinical Psychologist · Greenville, SC NPI 1699291963

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-08-17.