What is Helen Koo's NPI number?

Helen Koo's National Provider Identifier (NPI) is 1477596864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Helen Koo's specialty?

Helen Koo is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is Helen Koo located?

Helen Koo's practice location on file with NPPES is 265 E Beverly Blvd, Montebello, CA 90640-3776.

What is Helen Koo's phone number?

The practice phone number listed in the NPPES registry for Helen Koo is (323) 721-4922.

Is Helen Koo's NPI active?

Yes — Helen Koo's NPI (1477596864) is active in the NPPES registry as of the last update on 2025-04-18.

IndividualActive

Helen Koo, M.D.

NPI 1477596864 · Pediatrics Physician · Montebello, CA

Helen Koo, M.D. is a Pediatrics Physician provider in Montebello, CA (NPI 1477596864).

Provider details

NPI number: 1477596864
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Female
Sole proprietor: Yes
License: 00A267560 (CA)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense 00A267560 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

265 E Beverly Blvd

2nd Floor

Montebello, CA 90640-3776

Phone: (323) 721-4922

Fax: (323) 721-3484

Street-level locationGet directions

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Mailing address