Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Oscar G Martinez Jr., LPN

Licensed Practical Nurse in Corvallis, OR · enumerated 2012.

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

National Provider Identifier

1740552918

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Registry record

Entity type Individual (Type 1)

Name Mr. Oscar G Martinez Jr.

Credential LPN

Sex Male

Practice address 3570 Se Shoreline Dr, Corvallis, OR, 97333

Phone (541) 221-2478

Enumeration date Feb 3, 2012

Last updated in NPPES Feb 3, 2012

Taxonomy & licenses

164W00000X Licensed Practical Nurse Nursing Service Providers · License 201130664LPN (OR) Primary

164W00000X Licensed Practical Nurse Nursing Service Providers · License 303813 (TX) Secondary

164X00000X Licensed Vocational Nurse Nursing Service Providers · License 264258 (CA) Secondary

LPN · Licensed Practical Nurse: A nurse providing basic care under the direction of RNs and physicians. About the LPN credential

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 is the NPI number for Oscar Martinez?

The National Provider Identifier (NPI) for Oscar Martinez is 1740552918, a Type 1 (individual) record in the CMS NPPES registry.

Where does Oscar Martinez practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-02-03.