RIVIERA ALLERGY MEDICAL CENTER
NPI 1780694646
Allergy & Immunology in Redondo Beach, CA
About Riviera Allergy Medical Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RIVIERA ALLERGY MEDICAL CENTER (NPI 1780694646) is a healthcare organization registered as an allergy & immunology in Redondo Beach, California and active in the NPI registry since August 2006. The organization holds a CLIA Waiver certificate valid through May 13, 2027 and lists Ulrike H Ziegner, Doctor/owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Riviera Allergy Medical Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Riviera Allergy Medical Center, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 05D2323882
Riviera Allergy Medical Center · Redondo Beach, CAFrequently 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 Riviera Allergy Medical Center's NPI number?
The NPI number for Riviera Allergy Medical Center is 1780694646. It was assigned to this organization in the NPPES registry on August 9, 2006.
Where is Riviera Allergy Medical Center located?
Riviera Allergy Medical Center is located at 1970 S Prospect Ave Ste 3, Redondo Beach, CA 90277. The listed phone number is (310) 792-9050.
What is Riviera Allergy Medical Center's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Riviera Allergy Medical Center enrolled in Medicare?
Yes. Riviera Allergy Medical Center is registered in the Medicare PECOS enrollment system.
When is Riviera Allergy Medical Center's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Riviera Allergy Medical Center?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Pediatric Medicine) reassigns their Medicare billing to Riviera Allergy Medical Center. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Riviera Allergy Medical Center hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 05D2323882) is associated with this NPI, valid through May 13, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Riviera Allergy Medical Center was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Riviera Allergy Medical Center · NPI 1780694646
Allergy & Immunology organization in Redondo Beach, California. Organization record, active in the CMS NPPES registry since August 9, 2006.
## Identity
- **NPI:** 1780694646 (Entity type: Organization)
- **Enumerated:** August 9, 2006
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **Organization subpart:** No
- **Authorized official:** Ulrike Ziegner, DOCTOR/OWNER
## Practice location
- **Address:** 1970 S PROSPECT AVE STE 3, Redondo Beach, CA 90277-6005
- **Phone:** (310) 792-9050 · **Fax:** (310) 792-9048
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Pediatric Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 27, 2023
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1780694646) · Data from the CMS NPPES public registry.