Active NPI
KCS, Inc.
Doing business as KC Services
- Federally Qualified Health Center (FQHC)
- Irvine, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Federally Qualified Health Center (FQHC)
- Legal business name
- KCS, INC.
- Doing business as
- KC Services
KCS Health Center - Practice address
- 19742 Macarthur Blvd Ste 250
Irvine, CA 92612-2488 - Phone
- (714) 449-1339
- Fax
- (714) 449-1289
- NPI assigned
- Dec 10, 2019
- Last updated
- Jul 7, 2026
- Organization subpart
- No
NPPES NPI Registry
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
Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Federally Qualified Health Center (FQHC) | 261QF0400X | NU | Primary |
Addresses
Primary practice location
19742 Macarthur Blvd Ste 250
Irvine, CA 92612-2488
Mailing address
451 W Lincoln Ave Ste 100
Anaheim, CA 92805-2912
Phone (714) 503-6550
Other names 2
- KC Services
- KCS Health Center
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| 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 |
| O20220303002473 | CA | Part A Provider - Federally Qualified Health Center (FQHC) | 0446495105 | Practice locations: Irvine, CA |
NPI to CCN mapping 1
The Medicare certification numbers (CCNs) connected to NPI 1932746864. Details of each certification follow.
Federally qualified health center certification: CCN A01067
- 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
- Corporation
- Enrollment address
- 19742 Macarthur Blvd
Ste 250
Irvine, CA 92612-2488
Other NPIs with the same Medicare PAC ID 5
NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).
-
dba KCS Health Center
- Federally Qualified Health Center (FQHC)
- Buena Park, CA
- NPI 1225125693
0446495105
-
dba KCS Health Center
- Federally Qualified Health Center (FQHC)
- Buena Park, CA
- NPI 1588252027
0446495105
-
dba KCS Health Center
- Federally Qualified Health Center (FQHC)
- Buena Park, CA
- NPI 1831600634
0446495105
-
dba KCS Health Center
- Federally Qualified Health Center (FQHC)
- Buena Park, CA
- NPI 1861525602
0446495105
-
dba KCS Health Center
- Federally Qualified Health Center (FQHC)
- Anaheim, CA
- NPI 1992951180
0446495105
Other NPIs on the same Medicare enrollment 4
NPIs listed together on one Medicare enrollment, typically parts of the same organization.
-
dba KCS Health Center
- Federally Qualified Health Center (FQHC)
- Buena Park, CA
- NPI 1588252027
O20211118000437
-
dba KCS Health Center
- Federally Qualified Health Center (FQHC)
- Buena Park, CA
- NPI 1831600634
O20211118000437
-
dba KCS Health Center
- Federally Qualified Health Center (FQHC)
- Buena Park, CA
- NPI 1861525602
O20211118000437
-
dba KCS Health Center
- Federally Qualified Health Center (FQHC)
- Anaheim, CA
- NPI 1992951180
O20211118000437
National Provider Directory
National Provider Directory- Tax ID family
- KCS Health Center
- Part of
- KCS Health Center
Other organizations with this tax ID 18
Organizations that report the same tax identification number in the National Provider Directory.
-
- Community/Behavioral Health Agency
- Buena Park, CA
- NPI 1104484344
-
dba KCS Health Center
- Federally Qualified Health Center (FQHC)
- Buena Park, CA
- NPI 1295688083
-
- Community/Behavioral Health Agency
- Buena Park, CA
- NPI 1306218268
-
dba KCS Health Center
- Federally Qualified Health Center (FQHC)
- Buena Park, CA
- NPI 1588252027
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.
| Name | Role | Since | Share |
|---|---|---|---|
| Nancy Park | Corporate Director | Jan 1, 2021 | |
| Maria Calderon | Corporate Director | Jan 1, 2021 | |
| Kay Ahn | Corporate Director | Dec 1, 1999 | |
| Jung Lee | Corporate Director | Jan 1, 2021 | |
| Clara Im | Corporate Director | Jan 1, 2021 | |
| Thomas Lee | Corporate Director | Jan 1, 2021 | |
| Ellen Ahn | W-2 Managing Employee | Jul 1, 1996 | |
| Operational/Managerial Control | Jul 1, 1996 | ||
| Davide Pigliacelli | 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.
| Facility | Type | Role | Since |
|---|---|---|---|
| KCS Health Center | 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.
-
dba KCS Health Center
- Federally Qualified Health Center (FQHC)
- Buena Park, CA
- NPI 1225125693
Operational/Managerial Control
Practitioners & affiliated clinicians
Practitioners 8
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.
-
- Addiction (Substance Use Disorder) Counselor
- Anaheim, CA
- NPI 1669044277
-
- Family Medicine Physician
- Anaheim, CA
- NPI 1568923449
-
- Counselor
- Anaheim, CA
- NPI 1962768986
-
- Chiropractor
- Irvine, CA
- NPI 1922775303
-
- Family Medicine Physician
- Orange, CA
- NPI 1457980666
-
- Public Health & General Preventive Medicine Physician
- Buena Park, CA
- NPI 1265695811
-
- Addiction Medicine (Preventive Medicine) Physician
- Westminster, CA
- NPI 1154420024
-
- Clinical Psychologist
- Boonville, CA
- NPI 1750891321
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1575936000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1783382400000",
"number": "1932746864",
"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": "714-449-1339",
"fax_number": "714-449-1289"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "KCS, INC.",
"organizational_subpart": "NO",
"enumeration_date": "2019-12-10",
"last_updated": "2026-07-07",
"certification_date": "2026-07-07",
"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": "KC Services",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "KCS Health Center",
"code": "3",
"type": "Doing Business As"
}
]
}Other providers in Irvine, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.