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DR. HELEN C KOO M.D.
NPI 1477596864
Pediatrics in Montebello, CA

Active since June 13, 2006
265 E BEVERLY BLVD, 2ND FLOOR, MONTEBELLO, CA 90640(323) 721-4922(323) 721-3484 Get Directions Write a Review

NPPES record last updated: April 18, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Helen C Koo M.d. NPPES

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

DR. HELEN C KOO M.D. (NPI 1477596864) is an individual pediatrics provider in Montebello, California, licensed in California (00A267560) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1477596864
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. HELEN C KOOCredential: M.D.
Location Address265 E BEVERLY BLVD, 2ND FLOORMontebello, CA 90640-3776
Mailing Address265 E Beverly Blvd, 2nd FloorMontebello, CA 90640-3776 · (323) 721-4922 · Fax (323) 721-3484
Phone(323) 721-4922
Fax(323) 721-3484
Sole ProprietorYes
Enumeration DateJune 13, 2006
Last NPPES UpdateApril 18, 2025
NPPES CertifiedApril 18, 2025
✔ NPI 1477596864 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · 00A267560
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.
265 E BEVERLY BLVD, Montebello, CA 90640
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Other Names 1

Other Name (5)Dr. Helen S Koo M.d.

Other Identifiers 2

OtherEIN 953772927Federal Employer Id No.
Medicaid00A267560CA

Other Providers at the Same Location NPPES

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

A&K PHARMACY INC.
Pharmacy
265 E BEVERLY BLVD
MONTEBELLO, CA 90640
Los Angeles County (323) 722-1999

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 Helen Koo's NPI number?

The NPI number for Helen Koo is 1477596864. It was assigned to this individual provider in the NPPES registry on June 13, 2006. The provider is also known as Dr. Helen S Koo M.D..

Where is Helen Koo located?

Helen Koo practices at 265 E Beverly Blvd 2nd Floor, Montebello, CA 90640. The listed phone number is (323) 721-4922.

What is Helen Koo's specialty?

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

When was this NPI record last updated?

The NPPES record for Helen Koo was last updated on April 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.