University of California at Irvine Medical Center
NPI 1558504639 · General Acute Care Hospital · Orange, CA
University of California at Irvine Medical Center is a General Acute Care Hospital organization in Orange, CA (NPI 1558504639).
Provider details
- NPI number
- 1558504639
- Entity type
- Organization
- Primary specialty
- General Acute Care HospitalHospitals
- Organization subpart
- No
- Authorized official
- Joana Ratsiu, Resident Physician(714) 456-6661
- License
- A102456 (CA)
Specialties & taxonomies
Hospitals
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Registry dates
- Enumerated
- 2009-04-20
- Last updated
- 2009-04-20
Frequently asked questions
- What is University of California at Irvine Medical Center's NPI number?
- University of California at Irvine Medical Center's National Provider Identifier (NPI) is 1558504639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is University of California at Irvine Medical Center?
- University of California at Irvine Medical Center is classified in the NPPES registry as General Acute Care Hospital (Hospitals).
- Where is University of California at Irvine Medical Center located?
- University of California at Irvine Medical Center's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is University of California at Irvine Medical Center's phone number?
- The practice phone number listed in the NPPES registry for University of California at Irvine Medical Center is (714) 456-7890.
- Who is the authorized official for University of California at Irvine Medical Center?
- The authorized official listed on University of California at Irvine Medical Center's NPPES record is Joana Ratsiu, Resident Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is University of California at Irvine Medical Center's NPI active?
- Yes — University of California at Irvine Medical Center's NPI (1558504639) is active in the NPPES registry as of the last update on 2009-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.