The Regents of the University of California-Irvine
NPI 1154479723 · Hospitalist Physician · Orange, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
The Regents of the University of California-Irvine is a Hospitalist Physician organization in Orange, CA (NPI 1154479723).
Provider details
- NPI number
- 1154479723
- Entity type
- Organization
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sylvia Copen, Provider Enrollment Manager(714) 456-6227
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Uc Irvine Hospitalist Program
- Doing business as
- Uc Irvine Hospitalist Program
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2025-05-22
- Certified
- 2025-05-22
Frequently asked questions
- What is The Regents of the University of California-Irvine's NPI number?
- The Regents of the University of California-Irvine's National Provider Identifier (NPI) is 1154479723, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is The Regents of the University of California-Irvine?
- The Regents of the University of California-Irvine is classified in the NPPES registry as Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is The Regents of the University of California-Irvine located?
- The Regents of the University of California-Irvine's practice location on file with NPPES is 101 the City Dr S Bldg 1, Orange, CA 92868.
- What is The Regents of the University of California-Irvine's phone number?
- The practice phone number listed in the NPPES registry for The Regents of the University of California-Irvine is (714) 456-7002.
- Does The Regents of the University of California-Irvine accept Medicare?
- The Regents of the University of California-Irvine is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for The Regents of the University of California-Irvine?
- The authorized official listed on The Regents of the University of California-Irvine's NPPES record is Sylvia Copen, Provider Enrollment Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is The Regents of the University of California-Irvine's NPI active?
- Yes — The Regents of the University of California-Irvine's NPI (1154479723) is active in the NPPES registry as of the last update on 2025-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.