Individual provider Active NPI

Gigi Ja Nea Simmons, MD

  • Addiction Medicine (Family Medicine) Physician
  • Los Angeles, CA
National Provider Identifier
1891288957
Registry record updated Oct 6, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction Medicine (Family Medicine) PhysicianTaxonomy code 207QA0401X
License
A173667 Issued in CA
Practice address
1670 E 120TH St
Los Angeles, CA 90059-3026
Phone
(424) 338-1000
NPI assigned
Jun 12, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 6, 2022

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction Medicine (Family Medicine) Physician 207QA0401X A173667 CA Primary

Addresses

Primary practice location

1670 E 120TH St
Los Angeles, CA 90059-3026

Mailing address

10000 Imperial Hwy Apt G201
Downey, CA 90242-3279
Phone (630) 863-3506

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220513001840 CA Practitioner - Family Practice 0840607909 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2015
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1670 E 120TH St
Los Angeles, CA 90059-3026

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A173667CAMDAddiction Medicine (Family Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Los Angeles CurrentSince Apr 25, 2025 Accepting new patients
County of Los Angeles CurrentSince Apr 25, 2025 Accepting new patients

Locations

1000 S Fremont Ave
Bldg A11
Alhambra, CA 91803
Phone (626) 457-4240

1670 E 120th St
Los Angeles, CA 90059
Phone (424) 338-1000

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1528761600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1665014400000",
    "number": "1891288957",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10000 IMPERIAL HWY APT G201",
            "city": "DOWNEY",
            "state": "CA",
            "postal_code": "902423279",
            "telephone_number": "630-863-3506"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1670 E 120TH ST",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900593026",
            "telephone_number": "424-338-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMMONS",
        "first_name": "GIGI",
        "middle_name": "JA NEA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-06-12",
        "last_updated": "2022-10-06",
        "certification_date": "2022-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QA0401X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Addiction Medicine",
            "state": "CA",
            "license": "A173667",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

Verify at the official NPI Registry.