Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Louise Montellano

Pharmacy Technician in San Antonio, TX · enumerated 2024.

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

National Provider Identifier

1215766464

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Registry record

Entity type Individual (Type 1)

Name Mary Louise Montellano

Sex Female

Practice address 4821 Broadway, San Antonio, TX, 78209

Phone (210) 824-0515

Enumeration date Jul 27, 2024

Last updated in NPPES Jul 27, 2024

Taxonomy & licenses

183700000X Pharmacy Technician Pharmacy Service Providers · License 42328 (TX) 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 Mary Montellano?

Mary Montellano is registered in NPPES with the primary taxonomy of Pharmacy Technician. 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 2024-07-27.