Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Margaret Anne Marshall, PTA

Physical Therapy Assistant in San Antonio, TX · enumerated 2018 · practices at Gruenepointe 1 Casa Rio, LLC.

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

National Provider Identifier

1861973117

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Registry record

Entity type Individual (Type 1)

Name Ms. Margaret Anne Marshall

Credential PTA

Sex Female

Practice address 6211 S New Braunfels Ave, San Antonio, TX, 78223

Phone (210) 531-0569

Enumeration date Aug 24, 2018

Last updated in NPPES Aug 24, 2018

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 202267 (TX) Primary

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

Where does Margaret Marshall practice?

The practice location on file with NPPES is in San Antonio, TX. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Margaret Marshall?

The National Provider Identifier (NPI) for Margaret Marshall is 1861973117, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-08-24.