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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. EUGENE CHEN MD
NPI 1417933243
Pediatrics in Costa Mesa, CA

Active since December 22, 2005
1640 NEWPORT BLVD STE 340, COSTA MESA, CA 92627(949) 645-4670(949) 722-6866 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Jun 6, 2026 (2 updates tracked since 2026).

About Dr. Eugene Chen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. EUGENE CHEN MD (NPI 1417933243) is an individual pediatrics provider in Costa Mesa, California, licensed in California (A75342) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1417933243
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. EUGENE CHENCredential: MD
Location Address1640 NEWPORT BLVD STE 340Costa Mesa, CA 92627-7730
Mailing Address1640 Newport Blvd Ste 340Costa Mesa, CA 92627-7730 · (949) 645-4670 · Fax (949) 722-6866
Phone(949) 645-4670
Fax(949) 722-6866
Sole ProprietorNo
Enumeration DateDecember 22, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPPES CertifiedJune 6, 2026
✔ NPI 1417933243 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A75342
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
1640 NEWPORT BLVD STE 340, Costa Mesa, CA 92627
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. HILDA DE LA TORRE MENDOZA M.D.
Pediatrics
1640 NEWPORT BLVD STE 340
COSTA MESA, CA 92627
Orange County (949) 645-4670

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Eugene Chen's NPI number?

The NPI number for Eugene Chen is 1417933243. It was assigned to this individual provider in the NPPES registry on December 22, 2005.

Where is Eugene Chen located?

Eugene Chen practices at 1640 Newport Blvd Ste 340, Costa Mesa, CA 92627. The listed phone number is (949) 645-4670.

What is Eugene Chen's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

What insurance does Eugene Chen accept?

Health plans from Blue Cross and Blue Shield of Texas list Eugene Chen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Eugene Chen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.