KCS, Inc.

Primary specialty

Federally Qualified Health Center (FQHC)Taxonomy code 261QF0400X

Legal business name

KCS, INC.

Doing business as

KCS Health Center

Practice address

19742 Macarthur Blvd Ste 250
Irvine, CA 92612-2488

Phone

(714) 503-6550

Fax

(714) 409-3094

NPI assigned

Jan 28, 2021

Last updated

Feb 12, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Mr. Kay AhnNPI 1669044277

Title

Chief Operations Officer and Cio

Phone

(714) 527-6561

Specialties & licenses 1

Addresses

Other names 1

• KCS Health Center Doing business as

Part of

Korean Community Services

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Kay Ahn, ED.M

  • Addiction (Substance Use Disorder) Counselor
  • Anaheim, CA
  • NPI 1669044277
  Authorized official Same address or phone

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

{
    "created_epoch": "1611792000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1770854400000",
    "number": "1487245973",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "451 W LINCOLN AVE STE 100",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928052912",
            "telephone_number": "714-503-6550",
            "fax_number": "714-409-3075"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19742 MACARTHUR BLVD STE 250",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926122488",
            "telephone_number": "714-503-6550",
            "fax_number": "714-409-3094"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "KCS, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-01-28",
        "last_updated": "2026-02-12",
        "certification_date": "2026-02-12",
        "status": "A",
        "authorized_official_last_name": "AHN",
        "authorized_official_first_name": "KAY",
        "authorized_official_title_or_position": "CHIEF OPERATIONS OFFICER AND CIO",
        "authorized_official_telephone_number": "714-527-6561",
        "authorized_official_name_prefix": "Mr."
    },
    "taxonomies": [
        {
            "code": "261QF0400X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Federally Qualified Health Center (FQHC)",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "KCS Health Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Yousef John Kayyali, PSYD, MA, LP
• Sepideh Kazemi, MD
• Mandy Kazminy
• KCS Inc (KCS Health Center)
• KCS, Inc. (K.C. Services)
• KCS, Inc. (KC Services)
• Kean Dental Inc (Orange County Dental Specialists)
• Christian Alexander Kech-Mercer
• Sanjay Kedhar, M.D.
• Christina Melissa Kee, M.S.

• Federally Qualified Health Center (FQHC) in Irvine, CA
• Providers in Irvine, CA by specialty
• Federally Qualified Health Center (FQHC) in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 12, 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.