Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mara Argyriou, PT

Physical Therapist in Cayce, SC · enumerated 2020 · practices at Vertex Pt Specialists, LLC.

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

National Provider Identifier

1639785538

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Registry record

Entity type Individual (Type 1)

Name Mara Argyriou

Credential PT

Sex Female

Practice address 1105 12th St, Cayce, SC, 29033

Phone (803) 973-0100

Fax (803) 973-0117

Enumeration date Sep 17, 2020

Last updated in NPPES Sep 24, 2021

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 10422 (SC) Primary

PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT credential

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

How do I verify Mara Argyriou's NPI record?

Cross-check NPI 1639785538 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1639785538 active?

Yes, as of the latest NPPES snapshot, NPI 1639785538 is active (record last updated 2021-09-24).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-24.