Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mrs. Lisa Marie Marshall, OTR/L

Occupational Therapist in Newark, DE · enumerated 2006.

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

National Provider Identifier

1174553507

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Registry record

Entity type Individual (Type 1)

Name Mrs. Lisa Marie Marshall

Credential OTR/L

Sex Female

Practice address Newark, DE, 19711

Phone (302) 709-0440

Fax (302) 709-0443

Enumeration date Jul 3, 2006

Last updated in NPPES Nov 22, 2011

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License U1-0000146 (DE) Primary

Other identifiers

Identifier	Type	State	Issuer
1000035510	Medicaid	DE	-

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Lisa Marshall practice?

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

What is the NPI number for Lisa Marshall?

The National Provider Identifier (NPI) for Lisa Marshall is 1174553507, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-22.