NPIMap

Organization Active NPI

KCS, Inc.

  • Federally Qualified Health Center (FQHC)
  • Buena Park, CA
National Provider Identifier
1831600634
Registry record updated Feb 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Federally Qualified Health Center (FQHC)Taxonomy code 261QF0400X
Legal business name
KCS, INC.
Practice address
8352 Commonwealth Ave
Buena Park, CA 90621-2526
Phone
(714) 503-6550
Fax
(714) 409-3075
NPI assigned
Oct 19, 2017
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 12, 2026

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

Authorized official

Name
Mr. Kay Ahn
Title
Chief Operations Officer and Cio
Phone
(714) 527-6561

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Federally Qualified Health Center (FQHC) 261QF0400X Primary

Addresses

Primary practice location

8352 Commonwealth Ave
Buena Park, CA 90621-2526

Mailing address

451 W Lincoln Ave Ste 100
Anaheim, CA 92805-2912
Phone (714) 503-6550

Other names 1

  • KCS Health Center Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20211118000437 CA Part B Supplier - Clinic/Group Practice 0446495105 Receives reassigned benefits from 33 practitioners
4 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Irvine, CA; Buena Park, CA; Anaheim, CA
O20220302002461 CA Part A Provider - Federally Qualified Health Center (FQHC) 0446495105 Practice locations: Buena Park, CA

Federally qualified health center certification: CCN A01065

Legal name
KCS, INC.
Doing business as
KCS HEALTH CENTER
Certification status
Active
Provider type (POS)
Federally qualified health center
Participating since
Mar 1, 2022
Last certification
Mar 1, 2022
Ownership / control type
For profit – corporation
Organization structure
CorporationNon-profit
Enrollment address
8352 Commonwealth Ave
Buena Park, CA 90621-2526

Other NPIs with the same Medicare PAC ID 5

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

  • KCS, Inc.
    • Federally Qualified Health Center (FQHC)
    • Buena Park, CA
    • NPI 1225125693

    0446495105

    Same PAC ID
  • KCS, Inc.
    • Federally Qualified Health Center (FQHC)
    • Buena Park, CA
    • NPI 1588252027

    0446495105

    Same PAC ID
  • KCS, Inc.
    • Federally Qualified Health Center (FQHC)
    • Buena Park, CA
    • NPI 1861525602

    0446495105

    Same PAC ID
  • KCS, Inc.
    • Federally Qualified Health Center (FQHC)
    • Irvine, CA
    • NPI 1932746864

    0446495105

    Same PAC ID
  • KCS, Inc.
    • Federally Qualified Health Center (FQHC)
    • Anaheim, CA
    • NPI 1992951180

    0446495105

    Same PAC ID

Other NPIs on the same Medicare enrollment 4

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

National Provider Directory

National Provider Directory
Tax ID family
Korean Community Services19 organizations share this tax ID, including this one

Other organizations with this tax ID 18

Organizations that report the same tax identification number in the National Provider Directory.

View all 18

Ownership & related parties

All disclosed owners & managing parties 8

As disclosed on the Medicare enrollment (CMS All Owners files). Individuals include officers, directors and managing employees, who may not hold ownership.

NameRoleSinceShare
Nancy Park Individual Corporate Director Jan 1, 2021
Maria Calderon Individual Corporate Director Jan 1, 2021
Kay Ahn Individual Corporate Director Dec 1, 1999
Jung Lee Individual Corporate Director Jan 1, 2021
Clara Im Individual Corporate Director Jan 1, 2021
Thomas Lee Individual Corporate Director Jan 1, 2021
Ellen Ahn Individual W-2 Managing Employee Jul 1, 1996
Operational/Managerial Control Jul 1, 1996
Davide Pigliacelli Individual Corporate Director Jan 1, 2021

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
KCS Health CenterBuena Park, CA, CCN 751902 Federally qualified health center Operational/Managerial Control Aug 30, 2016

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

  • KCS, Inc.
    • Federally Qualified Health Center (FQHC)
    • Buena Park, CA
    • NPI 1225125693

    Operational/Managerial Control

    CMS ownership

Practitioners & affiliated clinicians

Practitioners 5

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

NPI Registry JSON

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

{
    "created_epoch": "1508371200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1770854400000",
    "number": "1831600634",
    "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": "8352 COMMONWEALTH AVE",
            "city": "BUENA PARK",
            "state": "CA",
            "postal_code": "906212526",
            "telephone_number": "714-503-6550",
            "fax_number": "714-409-3075"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "KCS, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2017-10-19",
        "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": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "KCS Health Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Buena Park, CA

Sources for this page

Verify at the official NPI Registry.