K-Day Inc

Primary specialty

PACE Provider OrganizationTaxonomy code 251T00000X

Legal business name

K-DAY INC

Doing business as

K-Day PACE

Practice address

303 S Union Ave
Los Angeles, CA 90017-1111

Phone

(213) 757-2080

Fax

(213) 757-2083

NPI assigned

Feb 26, 2025

Organization subpart

No

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

Authorized official

Name

Ray Hahn

Title

Ceo

Phone

(310) 435-1351

Specialties & licenses 1

Addresses

Other names 1

• K-Day PACE Doing business as

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Justin Youngbin Rheem, M.D.

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1205246113
  NPD

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

{
    "created_epoch": "1740528000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1740528000000",
    "number": "1932906120",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "303 S UNION AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900171111",
            "telephone_number": "213-757-2080",
            "fax_number": "213-757-2083"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "303 S UNION AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900171111",
            "telephone_number": "213-757-2080",
            "fax_number": "213-757-2083"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "K-DAY INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-02-26",
        "last_updated": "2025-02-26",
        "certification_date": "2025-02-26",
        "status": "A",
        "authorized_official_last_name": "HAHN",
        "authorized_official_first_name": "RAY",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "310-435-1351"
    },
    "taxonomies": [
        {
            "code": "251T00000X",
            "taxonomy_group": "",
            "desc": "Program of All-Inclusive Care for the Elderly (PACE) Provider Organization",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "K-Day PACE",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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• PACE Provider Organization in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• PACE Provider Organization in California

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