Individual provider Active NPI

Emma Longo, MD, MPH

  • Surgery Physician
  • Los Angeles, CA
National Provider Identifier
1740045293
Registry record updated May 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
PTL20473 Issued in CA
Practice address
2051 Marengo St
Los Angeles, CA 90033-1352
Phone
(323) 409-1000
NPI assigned
Feb 14, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 26, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X PTL20473 CA Primary

Addresses

Primary practice location

2051 Marengo St
Los Angeles, CA 90033-1352

Mailing address

1520 San Pablo St Ste 4300
Los Angeles, CA 90033-5330
Phone (323) 442-1900

Other practice location 1

1500 San Pablo St
Los Angeles, CA 90033-5313
Phone (800) 872-2273

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
PTL20473CAMDSurgery Physician

NPI Registry JSON

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

{
    "created_epoch": "1707868800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779753600000",
    "number": "1740045293",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1520 SAN PABLO ST STE 4300",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900335330",
            "telephone_number": "323-442-1900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2051 MARENGO ST",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900331352",
            "telephone_number": "323-409-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 San Pablo St",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900335313",
            "country_code": "US",
            "telephone_number": "800-872-2273",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LONGO",
        "first_name": "EMMA",
        "name_prefix": "Dr.",
        "credential": "MD, MPH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-02-14",
        "last_updated": "2026-05-26",
        "certification_date": "2026-05-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "PTL20473",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 26, 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.