Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Luis Omar Ontiveros, MD

Family Medicine Physician in Commerce, CA · enumerated 2008.

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

National Provider Identifier

1841442738

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Registry record

Entity type Individual (Type 1)

Name Dr. Luis Omar Ontiveros

Credential MD

Sex Male

Practice address Commerce, CA, 90022

Phone (323) 853-6060

Fax (213) 995-9894

Enumeration date Oct 22, 2008

Last updated in NPPES Jan 1, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 13301 (NV) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License A101545 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
1841442738	Medicaid	NV	-

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 Luis Ontiveros?

The National Provider Identifier (NPI) for Luis Ontiveros is 1841442738, a Type 1 (individual) record in the CMS NPPES registry.

Where does Luis Ontiveros practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-01-01.