Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sergio Machado Sr.

Dental Assistant in South Gate, CA · enumerated 2015 · practices at Celerina B Medina MD Inc.

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

National Provider Identifier

1396111993

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Registry record

Entity type Individual (Type 1)

Name Sergio Machado Sr.

Sex Male

Practice address 4149 Tweedy Blvd, Suite J, South Gate, CA, 90280

Phone (323) 807-7404

Enumeration date Aug 18, 2015

Last updated in NPPES Aug 18, 2015

Taxonomy & licenses

126800000X Dental Assistant Dental Providers · License 58435 (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

Where does Sergio Machado practice?

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

What is the NPI number for Sergio Machado?

The National Provider Identifier (NPI) for Sergio Machado is 1396111993, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-08-18.