Individual provider Active NPI

Karlon Howard Johnson, M.D.

  • Family Medicine Physician
  • Hawthorne, CA
National Provider Identifier
1144325473
Registry record updated Jan 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
G70613 Issued in CA
Practice address
4455 W 117TH St Ste 300
Hawthorne, CA 90250-2240
Phone
(310) 645-0444
NPI assigned
Sep 13, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X G70613 CA Primary

Addresses

Primary practice location

4455 W 117TH St Ste 300
Hawthorne, CA 90250-2240

Mailing address

4455 W 117TH St Ste 300
Hawthorne, CA 90250-2240
Phone (310) 645-0444

Other identifiers 1

IdentifierTypeStateIssuer
00G706130MedicaidCA

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
I20040518001602 CA Practitioner - Family Practice 5092706184 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Howard University College of Medicine, 1989
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Northeast Community ClinicGroup PAC ID 5193710275, 21 clinicians

Practice addresses (Care Compare)

4455 W 117TH St
Hawthorne, CA 90250-2240

Hospital & facility affiliations

  • Supportive Home Health Care Corp Home health agency, Encino, CA, CCN 058459

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G70613CAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northeast Community Clinic CurrentSince Jan 14, 2012 Accepting new patients
Northeast Community Clinic Family Medicine Current Accepting new patients
Northeast Community Clinic CurrentSince Jan 14, 2012 Accepting new patients

Locations

2550 W Main St
Ste 301
Alhambra, CA 91801
Phone (626) 457-6900

1403 Lomita Blvd
Ste 103
Harbor City, CA 90710
Phone (310) 784-1800

1403 Lomita Blvd
Ste 100
Harbor City, CA 90710
Phone (310) 534-7600

4455 W 117th St
Ste 200
Hawthorne, CA 90250
Phone (310) 219-2000

4455 W 117th St
Ste 300
Hawthorne, CA 90250
Phone (310) 645-0444

1414 S Grand Ave
Ste 380
Los Angeles, CA 90015
Phone (213) 222-1300

1414 S Grand Ave
Ste 200
Los Angeles, CA 90015
Phone (213) 742-6200

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 3

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": "1158105600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768435200000",
    "number": "1144325473",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4455 W 117TH ST STE 300",
            "city": "HAWTHORNE",
            "state": "CA",
            "postal_code": "902502240",
            "telephone_number": "310-645-0444"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4455 W 117TH ST STE 300",
            "city": "HAWTHORNE",
            "state": "CA",
            "postal_code": "902502240",
            "telephone_number": "310-645-0444"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "KARLON",
        "middle_name": "HOWARD",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-13",
        "last_updated": "2026-01-15",
        "certification_date": "2026-01-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "G70613",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G706130",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Hawthorne, CA

Sources for this page

Verify at the official NPI Registry.