Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Estelle Steynberg, PHARMACIST

Pharmacist in San Luis Obispo, CA · enumerated 2014.

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

National Provider Identifier

1043621402

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Registry record

Entity type Individual (Type 1)

Name Estelle Steynberg

Credential PHARMACIST

Sex Female

Practice address Highway 1, San Luis Obispo, CA, 93409

Phone (805) 547-7900

Enumeration date May 19, 2014

Last updated in NPPES May 19, 2014

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 45286 (CA) 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

What is the NPI number for Estelle Steynberg?

The National Provider Identifier (NPI) for Estelle Steynberg is 1043621402, a Type 1 (individual) record in the CMS NPPES registry.

Where does Estelle Steynberg practice?

The practice location on file with NPPES is in San Luis Obispo, CA. 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 2014-05-19.