CYS EAST REGION
NPI 1457498941
Clinic/Center - Adolescent and Children Mental Health in Orange, CA

Active since January 31, 2007
500 CITY PKWY W STE 200, ORANGE, CA 92868(714) 480-6600 Get Directions Write a Review

NPPES record last updated: January 11, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 11, 2021, Dec 20, 2019, Apr 9, 2019 and 1 more (4 updates tracked since 2016).

About Cys East Region NPPES

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

CYS EAST REGION (NPI 1457498941) is a healthcare organization registered as an adolescent and children mental health in Orange, California and active in the NPI registry since January 2007. The organization lists Chi Y Rajalingam, Chief Compliance Officer, as its authorized official.

NPPES Registry Identity

NPI1457498941
Entity TypeOrganization
Primary Taxonomy261QM0855X
Legal Business NameCOUNTY OF ORANGE
Location Address500 CITY PKWY W STE 200Orange, CA 92868-2941
Mailing Address405 W 5th St Ste 212Santa Ana, CA 92701-4522 · (714) 568-5614 · Fax (714) 834-6595
Organization SubpartYes
Authorized OfficialChi Y RajalingamChief Compliance Officer · (714) 834-3154
Enumeration DateJanuary 31, 2007
Last NPPES UpdateJanuary 11, 20214 updates tracked since enumeration
NPPES CertifiedJanuary 11, 2021
✔ NPI 1457498941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Adolescent and Children Mental HealthAmbulatory Health Care Facilities
Taxonomy Code261QM0855X
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in children and adolescents. Services may be provided to parents and family members of the patient in the form of conjoint, group, or individual therapy, and education and/or training.
500 CITY PKWY W STE 200, Orange, CA 92868

Other Names 1

Doing Business AsCys East Region

Other Identifiers 1

Medicaid30B8CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cys East Region is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

119

Medicare enrollment records show 119 clinicians reassign Medicare billing to Cys East Region, which bills Medicare for the services they deliver. Of these, 99 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 8

Clinical Social Worker40
Marriage and Family Therapist36
Psychiatry36
Mental Health Counselor2
Nurse Practitioner2
Clinical Psychologist1
Family Practice1
Osteopathic Manipulative Medicine1

Nearest to this location (20)

See all 119
Psychiatry
NPI 1376762088
4000 W METROPOLITAN DR # 405
Orange, CA 92868
(714) 480-4669
✔ PECOS✔ Accepts Medicare0.2 mi
Clinical Psychologist
NPI 1629842943
4000 W METROPOLITAN DR STE 405
Orange, CA 92868
(714) 667-1644
✔ PECOS✔ Accepts Medicare0.2 mi
Marriage and Family Therapist
NPI 1689047946
4000 W METROPOLITAN DR STE 405
Orange, CA 92868
(714) 834-4334
✔ PECOS0.2 mi
Marriage and Family Therapist
NPI 1730447681
4000 W METROPOLITAN DR STE 405
Orange, CA 92868
(714) 397-5400
✔ PECOS0.2 mi
Psychiatry
NPI 1215005525
4000 W METROPOLITAN DR STE 120
Orange, CA 92868
(714) 972-3700
✔ PECOS✔ Accepts Medicare0.2 mi
Clinical Social Worker
NPI 1447585047
4000 W METROPOLITAN DR STE 120
Orange, CA 92868
(714) 972-3700
✔ PECOS0.2 mi
Clinical Social Worker
NPI 1598126500
4000 W METROPOLITAN DR STE 120
Orange, CA 92868
(714) 972-3700
✔ PECOS0.2 mi
Clinical Social Worker
NPI 1508020843
4000 W METROPOLITAN DR STE 120
Orange, CA 92868
(714) 972-3700
✔ PECOS0.2 mi
Clinical Social Worker
NPI 1720538283
4000 W METROPOLITAN DR STE 120
Orange, CA 92868
(714) 972-8002
✔ PECOS0.2 mi
Marriage and Family Therapist
NPI 1750736617
4000 W METROPOLITAN DR STE 120
Orange, CA 92868
(714) 972-3700
✔ PECOS0.2 mi
Clinical Social Worker
NPI 1619350527
4000 W METROPOLITAN DR STE 120
Orange, CA 92868
(714) 972-3700
✔ PECOS✔ Accepts Medicare0.2 mi
Marriage and Family Therapist
NPI 1093063729
4000 W METROPOLITAN DR # 120
Orange, CA 92868
(714) 834-5601
✔ PECOS✔ Accepts Medicare0.2 mi
Marriage and Family Therapist
NPI 1689151128
4000 W METROPOLITAN DR STE 405
Orange, CA 92868
(714) 568-5611
✔ PECOS0.2 mi
Clinical Social Worker
NPI 1578065470
4000 W METROPOLITAN DR STE 405
Orange, CA 92868
(714) 834-3032
✔ PECOS0.2 mi
Clinical Social Worker
NPI 1871809756
4000 W METROPOLITAN DR STE 120
Orange, CA 92868
(714) 972-3700
✔ PECOS✔ Accepts Medicare0.2 mi
Marriage and Family Therapist
NPI 1437495900
4000 W METROPOLITAN DR # 120
Orange, CA 92868
(714) 972-3700
✔ PECOS✔ Accepts Medicare0.2 mi
Marriage and Family Therapist
NPI 1164626347
4000 W METROPOLITAN DR STE 405
Orange, CA 92868
(714) 834-3491
✔ PECOS0.2 mi
Nurse Practitioner
NPI 1164965091
4000 W METROPOLITAN DR # 120
Orange, CA 92868
(714) 972-3700
✔ PECOS✔ Accepts Medicare0.2 mi
Psychiatry
NPI 1114080314
4000 W METROPOLITAN DR STE 120
Orange, CA 92868
(661) 444-1567
✔ PECOS✔ Accepts Medicare0.2 mi
Psychiatry
NPI 1144801440
3800 W CHAPMAN AVE STE 500
Orange, CA 92868
(954) 599-0550
✔ PECOS✔ Accepts Medicare0.4 mi
See all 119 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 County Of Orange's NPI number?

The NPI number for County Of Orange is 1457498941. It was assigned to this organization in the NPPES registry on January 31, 2007. The provider is doing business as Cys East Region.

Where is County Of Orange located?

County Of Orange is located at 500 City Pkwy W Ste 200, Orange, CA 92868. The listed phone number is (714) 480-6600.

What is County Of Orange's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Adolescent and Children Mental Health, with taxonomy code 261QM0855X.

Is County Of Orange enrolled in Medicare?

Yes. County Of Orange is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through County Of Orange?

According to the CMS Revalidation Reassignment List (October 2026 release), 119 clinicians in 8 Medicare specialties reassign their Medicare billing to County Of Orange. 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 Clinical Social Worker (40), Marriage and Family Therapist (36) and Psychiatry (36). Of these, 99 practice 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 County Of Orange was last updated on January 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.