Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Amber Joy Herrera

Social Worker in San Leandro, CA · enumerated 2010.

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

National Provider Identifier

1982936902

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Registry record

Entity type Individual (Type 1)

Name Amber Joy Herrera

Sex Female

Practice address 545 Estudillo Ave, San Leandro, CA, 94577

Phone (510) 352-9200

Fax (510) 352-8184

Enumeration date Feb 1, 2010

Last updated in NPPES Feb 15, 2012

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 27298 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Amber Herrera?

Amber Herrera is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-02-15.