Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Stephen Greer, DO

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Greenwood, SC · enumerated 2006.

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

National Provider Identifier

1306868666

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Registry record

Entity type Individual (Type 1)

Name Dr. Stephen Greer

Credential DO

Sex Male

Practice address 1506 Spring St, Greenwood, SC, 29646

Phone (864) 725-7900

Fax (864) 725-7910

Enumeration date Jul 24, 2006

Last updated in NPPES Mar 19, 2026

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License A-1348-05 (NM) Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 34003010 (OH) Secondary

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License 649 (SC) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
79902740	Medicaid	NM	-

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 Stephen Greer?

The National Provider Identifier (NPI) for Stephen Greer is 1306868666, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephen Greer practice?

The practice location on file with NPPES is in Greenwood, SC. 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 2026-03-19.