Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ernesto Cortez, D.O.

Family Medicine Physician in Bellflower, CA · enumerated 2006.

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

National Provider Identifier

1164436408

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Ernesto Cortez

Credential D.O.

Sex Male

Practice address 10251 Artesia Blvd, Bellflower, CA, 90706

Phone (562) 867-8681

Fax (562) 925-2721

Enumeration date Jul 29, 2006

Last updated in NPPES Jun 2, 2026

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 20A6055 (CA) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 6055 (CA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
080179413	Other	CA	RAILROAD MEDICARE
020A60550	Other	CA	BLUE SHIELD
080179413	Other	CA	MEDICARE RAILROAD
00AX60550	Medicaid	CA	-

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 Ernesto Cortez?

The National Provider Identifier (NPI) for Ernesto Cortez is 1164436408, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ernesto Cortez practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-02.