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Stephen A Yost, MD

Family Medicine Physician in Spartanburg, SC · enumerated 2006.

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

National Provider Identifier

1154375954

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Registry record

Entity type Individual (Type 1)
Name Stephen A Yost
Credential MD
Sex Male
Practice address 3021 Reidville Rd, Spartanburg, SC, 29301
Phone (864) 576-9201
Fax (864) 576-6584
Enumeration date May 19, 2006
Last updated in NPPES Feb 14, 2012

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 9917 (SC) 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
P00386823 Other GA MEDICARE RAILROAD PTAN#
GP4988 Other SC MEDICAID GROUP NO.
099173 Medicaid SC -

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 Yost?
The National Provider Identifier (NPI) for Stephen Yost is 1154375954, a Type 1 (individual) record in the CMS NPPES registry.
Where does Stephen Yost practice?
The practice location on file with NPPES is in Spartanburg, SC. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-02-14.