KCS, INC.
NPI 1861525602
Clinic/Center - Federally Qualified Health Center (FQHC) in Buena Park, CA

Active since March 13, 2007
7212 ORANGETHORPE AVE STE 9A, BUENA PARK, CA 90621(714) 503-6550(714) 409-3075 Get Directions Write a Review

NPPES record last updated: May 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 21, 2026, Feb 3, 2026, Mar 10, 2020 and 1 more (4 updates tracked since 2020).

About Kcs, Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KCS, INC. (NPI 1861525602), doing business as Kcs Health Center, is a healthcare organization registered as a federally qualified health center (fqhc) in Buena Park, California and active in the NPI registry since March 2007. The organization lists Kay Ahn, Chief Operations Officer And Cio, as its authorized official.

NPPES Registry Identity

NPI1861525602
Entity TypeOrganization
Primary Taxonomy261QF0400X
Legal Business NameKCS, INC.
Location Address7212 ORANGETHORPE AVE STE 9ABuena Park, CA 90621-4668
Mailing Address451 W Lincoln Ave Ste 100Anaheim, CA 92805-2912 · (714) 503-6550 · Fax (714) 409-3075
Fax(714) 409-3075
Organization SubpartNo
Authorized OfficialKay AhnChief Operations Officer And Cio · (714) 527-6561
Enumeration DateMarch 13, 2007
Last NPPES UpdateMay 21, 20264 updates tracked since enumeration
NPPES CertifiedMay 21, 2026
✔ NPI 1861525602 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyClinic/Center · Federally Qualified Health Center (FQHC)Ambulatory Health Care Facilities
Taxonomy Code261QF0400X
Also ListedPublic Health or WelfareTaxonomy 251K00000X
Also ListedCommunity/Behavioral HealthTaxonomy 251S00000X
7212 ORANGETHORPE AVE STE 9A, Buena Park, CA 90621

Other Names 1

Doing Business AsKcs Health Center

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kcs, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

32

Medicare enrollment records show 32 clinicians reassign Medicare billing to Kcs, Inc., which bills Medicare for the services they deliver. Of these, 3 practice at this address and 20 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 12

Nurse Practitioner10
Addiction Medicine3
Chiropractic3
Marriage and Family Therapist3
Clinical Social Worker2
Dentist2
Family Practice2
Optometry2
4 other specialties5

Nearest to this location (20)

See all 32
Addiction Medicine
NPI 1265695811
7212 ORANGETHORPE AVE STE 9A
Buena Park, CA 90621
(714) 527-6551
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1144686577
7212 ORANGETHORPE AVE STE 9A
Buena Park, CA 90621
(714) 503-6550
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1073022828
7212 ORANGETHORPE AVE STE 9A
Buena Park, CA 90621
(714) 503-6550
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1487733754
7212 ORANGETHORPE AVENUE, SUITE 9A
Buena Park, CA 90621
(714) 503-6550
✔ PECOS✔ Accepts Medicare0.1 mi
Marriage and Family Therapist
NPI 1164654265
8266 PIERCE DR
Buena Park, CA 90620
(714) 496-3207
✔ PECOS✔ Accepts Medicare1.0 mi
Ophthalmology
NPI 1255431300
5832 BEACH BLVD UNIT 109A
Buena Park, CA 90621
(714) 228-1888
✔ PECOS✔ Accepts Medicare1.4 mi
Optometry
NPI 1841504958
19038 NORWALK BLVD
Artesia, CA 90701
(562) 653-9500
✔ PECOS3.7 mi
Nurse Practitioner
NPI 1184340333
12362 BEACH BLVD STE 10
Stanton, CA 90680
(714) 248-9500
✔ PECOS✔ Accepts Medicare5.2 mi
Nurse Practitioner
NPI 1265858690
451 WEST LINCOLN AVENUE SUITE 100
Anaheim, CA 92805
(714) 503-6550
✔ PECOS✔ Accepts Medicare5.3 mi
Nurse Practitioner
NPI 1558005488
451 W LINCOLN AVE STE 100
Anaheim, CA 92805
(415) 806-3488
✔ PECOS5.3 mi
Addiction Medicine
NPI 1376544874
451 W LINCOLN AVE
Anaheim, CA 92805
(714) 527-6561
✔ PECOS✔ Accepts Medicare5.3 mi
Marriage and Family Therapist
NPI 1386187201
451 W LINCOLN AVE STE 100
Anaheim, CA 92805
(714) 503-6550
✔ PECOS5.3 mi
Family Practice
NPI 1568923449
451 W LINCOLN AVE STE 100
Anaheim, CA 92805
(714) 503-6550
✔ PECOS✔ Accepts Medicare5.3 mi
Clinical Social Worker
NPI 1962768986
451 W LINCOLN AVE STE 100
Anaheim, CA 92805
(714) 503-6550
✔ PECOS✔ Accepts Medicare5.3 mi
Nurse Practitioner
NPI 1275908832
451 W LINCOLN AVE STE 100
Anaheim, CA 92805
(714) 527-6561
✔ PECOS✔ Accepts Medicare5.3 mi
Addiction Medicine
NPI 1154420024
5405 GARDEN GROVE BLVD STE 102
Westminster, CA 92683
(714) 598-3707
✔ PECOS✔ Accepts Medicare6.0 mi
Nurse Practitioner
NPI 1043643737
9828 GARDEN GROVE BLVD STE 201
Garden Grove, CA 92844
(714) 530-9633
✔ PECOS✔ Accepts Medicare6.4 mi
Optometry
NPI 1922190321
2575 YORBA LINDA BLVD
Fullerton, CA 92831
(714) 449-7401
✔ PECOS7.3 mi
Family Practice
NPI 1457980666
101 THE CITY DR S STE 835
Orange, CA 92868
(424) 777-5007
✔ PECOS✔ Accepts Medicare8.3 mi
Nurse Practitioner
NPI 1992312904
7677 CENTER AVE STE 405
Huntington Beach, CA 92647
(171) 434-5438
✔ PECOS✔ Accepts Medicare8.4 mi
See all 32 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kcs, Inc.'s NPI number?

The NPI number for Kcs, Inc. is 1861525602. It was assigned to this organization in the NPPES registry on March 13, 2007. The provider is doing business as KCS Health Center.

Where is Kcs, Inc. located?

Kcs, Inc. is located at 7212 Orangethorpe Ave Ste 9A, Buena Park, CA 90621. The listed phone number is (714) 503-6550.

What is Kcs, Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Federally Qualified Health Center (FQHC), with taxonomy code 261QF0400X.

Is Kcs, Inc. enrolled in Medicare?

Yes. Kcs, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Kcs, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 32 clinicians in 12 Medicare specialties reassign their Medicare billing to Kcs, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (10), Addiction Medicine (3) and Chiropractic (3). Of these, 3 practice at this address and 20 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Kcs, Inc. was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.