Helen C Koo, M.D.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

00A267560 Issued in CA

Practice address

265 E Beverly Blvd
2ND Floor
Montebello, CA 90640-3776

Phone

(323) 721-4922

Fax

(323) 721-3484

NPI assigned

Jun 13, 2006

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 2

Other names 1

• Dr. Helen S Koo Other name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1150156800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744934400000",
    "number": "1477596864",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "265 E BEVERLY BLVD",
            "address_2": "2ND FLOOR",
            "city": "MONTEBELLO",
            "state": "CA",
            "postal_code": "906403776",
            "telephone_number": "323-721-4922",
            "fax_number": "323-721-3484"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "265 E BEVERLY BLVD",
            "address_2": "2ND FLOOR",
            "city": "MONTEBELLO",
            "state": "CA",
            "postal_code": "906403776",
            "telephone_number": "323-721-4922",
            "fax_number": "323-721-3484"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOO",
        "first_name": "HELEN",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-06-13",
        "last_updated": "2025-04-18",
        "certification_date": "2025-04-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "00A267560",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FEDERAL EMPLOYER ID NO.",
            "identifier": "EIN 953772927",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A267560",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "HELEN",
            "last_name": "KOO",
            "middle_name": "S",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Leslie Ann Klein, DO
• KMTV Inc.
• Dale Knox, M.D.
• Sumithra Kommareddy, M.D.
• Sung D Kong, ACUPUNCTURIST
• Koshki and Naminik Dental Corp
• Douglas Kraus, M.S., ED.S., N.C.C.
• Krishna Narayanan, M. D. Professional Corp
• Karen Kubo
• Alicia Xiaoxiliu Kuhn, O.D.

• Pediatrics Physician in Montebello, CA
• Providers in Montebello, CA by specialty
• Pediatrics Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.