DIDI HIRSCH PSYCHIATRIC SERVICE
NPI 1831408509
Community/Behavioral Health in Santa Ana, CA
About Didi Hirsch Psychiatric Service NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIDI HIRSCH PSYCHIATRIC SERVICE (NPI 1831408509) is a healthcare organization registered as a community/behavioral health in Santa Ana, California and active in the NPI registry since September 2010. The organization lists Dulce M Ruiz, Finance Compliance Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 2
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Didi Hirsch Psychiatric Service is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
37Medicare enrollment records show 37 clinicians reassign Medicare billing to Didi Hirsch Psychiatric Service, which bills Medicare for the services they deliver. Of these, 4 practice at this address. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 6
Nearest to this location (20)
See all 37Source: 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 Didi Hirsch Psychiatric Service's NPI number?
The NPI number for Didi Hirsch Psychiatric Service is 1831408509. It was assigned to this organization in the NPPES registry on September 29, 2010. The provider is also known as CAC Didi Hirsch Suicide Support Services and CAC Suicide Support Services.
Where is Didi Hirsch Psychiatric Service located?
Didi Hirsch Psychiatric Service is located at 2000 E 4th St Ste 201, Santa Ana, CA 92705. The listed phone number is (714) 547-0885.
What is Didi Hirsch Psychiatric Service's specialty?
The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.
Is Didi Hirsch Psychiatric Service enrolled in Medicare?
Yes. Didi Hirsch Psychiatric Service is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Didi Hirsch Psychiatric Service?
According to the CMS Revalidation Reassignment List (October 2026 release), 37 clinicians in 6 Medicare specialties reassign their Medicare billing to Didi Hirsch Psychiatric Service. 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 (12), Marriage and Family Therapist (12) and Psychiatry (8). Of these, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Didi Hirsch Psychiatric Service was last updated on September 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Didi Hirsch Psychiatric Service · NPI 1831408509
Community/Behavioral Health organization in Santa Ana, California. Organization record, active in the CMS NPPES registry since September 29, 2010.
## Identity
- **NPI:** 1831408509 (Entity type: Organization)
- **Enumerated:** September 29, 2010
- **Primary specialty:** Community/Behavioral Health · taxonomy 251S00000X
- **Also known as:** CAC Didi Hirsch Suicide Support Services (Other Name); CAC Suicide Support Services (Other Name)
- **Organization subpart:** No
- **Authorized official:** Dulce Ruiz, FINANCE COMPLIANCE MANAGER
## Practice location
- **Address:** 2000 E 4TH ST STE 201, Santa Ana, CA 92705-3907
- **Phone:** (714) 547-0885
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 37 clinicians in 6 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Clinical Social Worker (12), Marriage and Family Therapist (12), Psychiatry (8); 4 practice at this address; [full list](https://npiprofile.com/npi/1831408509/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1831408509) · Data from the CMS NPPES public registry.