Organization Active NPI

Los Angeles Hematology Oncology Medical Group

  • Specialist
  • Tarzana, CA
National Provider Identifier
1831056738
Registry record updated Jan 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
SpecialistTaxonomy code 174400000X
Legal business name
LOS ANGELES HEMATOLOGY ONCOLOGY MEDICAL GROUP
Practice address
5525 Etiwanda Ave Ste 200
Tarzana, CA 91356-6131
Phone
(747) 317-4148
Fax
(866) 246-1269
NPI assigned
Jan 5, 2026
Organization subpart
Yes
Parent organization
LOS ANGELES HEMATOLOGY ONCOLOGY MEDICAL GROUPAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Jan 5, 2026

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

Authorized official

Name
Boris Bagdasarian
Title
DO
Phone
(818) 409-0105

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
SpecialistGroup: 193200000X MULTI-SPECIALTY GROUP 174400000X Primary

Addresses

Primary practice location

5525 Etiwanda Ave Ste 200
Tarzana, CA 91356-6131

Mailing address

541 W Colorado St Ste 205
Glendale, CA 91204-3640
Phone (323) 254-0046

National Provider Directory

National Provider Directory
Tax ID family
Los Angeles Hematol Onc22 organizations share this tax ID, including this one
Part of
Los Angeles Hematol Onc

Other organizations with this tax ID 21

Organizations that report the same tax identification number in the National Provider Directory.

View all 21

NPI Registry JSON

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

{
    "created_epoch": "1767571200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767571200000",
    "number": "1831056738",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "541 W COLORADO ST STE 205",
            "city": "GLENDALE",
            "state": "CA",
            "postal_code": "912043640",
            "telephone_number": "323-254-0046",
            "fax_number": "323-488-9782"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5525 ETIWANDA AVE STE 200",
            "city": "TARZANA",
            "state": "CA",
            "postal_code": "913566131",
            "telephone_number": "747-317-4148",
            "fax_number": "866-246-1269"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LOS ANGELES HEMATOLOGY ONCOLOGY MEDICAL GROUP",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "LOS ANGELES HEMATOLOGY ONCOLOGY MEDICAL GROUP",
        "enumeration_date": "2026-01-05",
        "last_updated": "2026-01-05",
        "certification_date": "2026-01-05",
        "status": "A",
        "authorized_official_last_name": "BAGDASARIAN",
        "authorized_official_first_name": "BORIS",
        "authorized_official_title_or_position": "DO",
        "authorized_official_telephone_number": "818-409-0105"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Specialist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tarzana, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 5, 2026; 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.