Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allison Lynn Lewandowski, OD

Optometrist in Sioux Falls, SD · enumerated 2026.

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

National Provider Identifier

1801713102

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Registry record

Entity type Individual (Type 1)

Name Allison Lynn Lewandowski

Credential OD

Sex Female

Practice address 3101 W 57th St, Sioux Falls, SD, 57108

Phone (605) 361-3937

Fax (605) 371-7199

Enumeration date Jun 30, 2026

Last updated in NPPES Jun 30, 2026

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 847 (SD) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Allison Lewandowski?

The National Provider Identifier (NPI) for Allison Lewandowski is 1801713102, a Type 1 (individual) record in the CMS NPPES registry.

Where does Allison Lewandowski practice?

The practice location on file with NPPES is in Sioux Falls, SD. 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 2026-06-30.