Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Rachel Marquardt, M.A.,CCC-SLP

Speech-Language Pathologist in Abita Springs, LA · enumerated 2019 · practices at Optimal Therapy Solutions, LLC.

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

National Provider Identifier

1801357165

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Registry record

Entity type Individual (Type 1)

Name Mrs. Rachel Marquardt

Credential M.A.,CCC-SLP

Sex Female

Practice address 72286 Kustenmacher Rd, Abita Springs, LA, 70420

Phone (985) 463-6890

Enumeration date Mar 28, 2019

Last updated in NPPES Feb 15, 2023

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 8169 (LA) 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 Rachel Marquardt practice?

The practice location on file with NPPES is in Abita Springs, LA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Rachel Marquardt?

The National Provider Identifier (NPI) for Rachel Marquardt is 1801357165, a Type 1 (individual) record in the CMS NPPES registry.

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Optimal Therapy Solutions, LLC Speech-Language Pathologist · Abita Springs, LA NPI 1407553811

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-02-15.