REGENTS OF THE UNIVERSITY OF
NPI 1487602546
Anesthesiology in Orange, CA
About Regents Of The University Of NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REGENTS OF THE UNIVERSITY OF (NPI 1487602546), doing business as University Anesthesia Associates, is a healthcare organization registered as an anesthesiology in Orange, California and active in the NPI registry since May 2006. The organization lists Sylvia Copen, Provider Enrollment Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
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)
Regents Of The University Of is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by October 31, 2026
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
417Medicare enrollment records show 417 clinicians reassign Medicare billing to Regents Of The University Of, which bills Medicare for the services they deliver. Of these, 126 practice at this address and 265 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 8
Nearest to this location (20)
See all 417Source: 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 Regents Of The University Of's NPI number?
The NPI number for Regents Of The University Of is 1487602546. It was assigned to this organization in the NPPES registry on May 4, 2006. The provider is doing business as University Anesthesia Associates.
Where is Regents Of The University Of located?
Regents Of The University Of is located at 101 The City Dr South, Orange, CA 92868. The listed phone number is (714) 456-8068.
What is Regents Of The University Of's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Regents Of The University Of enrolled in Medicare?
Yes. Regents Of The University Of is registered in the Medicare PECOS enrollment system.
When is Regents Of The University Of'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 October 31, 2026. 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 Regents Of The University Of?
According to the CMS Revalidation Reassignment List (October 2026 release), 417 clinicians in 8 Medicare specialties reassign their Medicare billing to Regents Of The University Of. 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 Anesthesiology (259), Certified Registered Nurse Anesthetist (CRNA) (124) and Nurse Practitioner (26). Of these, 126 practice at this address and 265 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 Regents Of The University Of was last updated on May 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Regents Of The University Of · NPI 1487602546
Anesthesiology organization in Orange, California. Organization record, active in the CMS NPPES registry since May 4, 2006.
## Identity
- **NPI:** 1487602546 (Entity type: Organization)
- **Enumerated:** May 4, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **Also known as:** University Anesthesia Associates (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Sylvia Copen, PROVIDER ENROLLMENT MANAGER
## Practice location
- **Address:** 101 THE CITY DR SOUTH, Orange, CA 92868
- **Phone:** (714) 456-8068 · **Fax:** (714) 456-3765
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** October 31, 2026 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 417 clinicians in 8 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Anesthesiology (259), Certified Registered Nurse Anesthetist (CRNA) (124), Nurse Practitioner (26); 126 practice at this address and 265 within 10 miles; [full list](https://npiprofile.com/npi/1487602546/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 22, 2025
- **Other identifiers:** Other CT0508 (CA); Other GR0013290 (CA); Other ZZZP3013Z (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1487602546) · Data from the CMS NPPES public registry.