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Dr. Greta I Steinbach-Wallis, O.D.

Optometrist in Wilmington, DE · enumerated 2006 · practices at Ophthalmic Partners of Delaware, PA.

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

National Provider Identifier

1346289162

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Registry record

Entity type Individual (Type 1)
Name Dr. Greta I Steinbach-Wallis
Credential O.D.
Sex Female
Practice address 3501 Silverside Rd, Naamans Building, Wilmington, DE, 19810
Fax (302) 477-2653
Enumeration date Jun 6, 2006
Last updated in NPPES Mar 28, 2016

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License I3-0001135 (DE) Primary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier Type State Issuer
0000061422 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.

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Frequently asked questions

What is the NPI number for Greta Steinbach-Wallis?
The National Provider Identifier (NPI) for Greta Steinbach-Wallis is 1346289162, a Type 1 (individual) record in the CMS NPPES registry.
Where does Greta Steinbach-Wallis practice?
The practice location on file with NPPES is in Wilmington, DE. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-28.