Regents of the University of California
NPI 1558311811 · Anatomic Pathology & Clinical Pathology Physician · Orange, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Regents of the University of California is a Anatomic Pathology & Clinical Pathology Physician organization in Orange, CA (NPI 1558311811).
Provider details
- NPI number
- 1558311811
- Entity type
- Organization
- Primary specialty
- Anatomic Pathology & Clinical Pathology 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
20 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
- Uci Department of Pathology
Registry dates
- Enumerated
- 2006-05-10
- Last updated
- 2025-05-22
- Certified
- 2025-05-22
Frequently asked questions
- What is Regents of the University of California's NPI number?
- Regents of the University of California's National Provider Identifier (NPI) is 1558311811, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Regents of the University of California?
- Regents of the University of California is classified in the NPPES registry as Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Regents of the University of California located?
- Regents of the University of California's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868.
- What is Regents of the University of California's phone number?
- The practice phone number listed in the NPPES registry for Regents of the University of California is (714) 456-6411.
- Does Regents of the University of California accept Medicare?
- Regents of the University of California 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 Regents of the University of California?
- The authorized official listed on Regents of the University of California'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 Regents of the University of California's NPI active?
- Yes — Regents of the University of California's NPI (1558311811) 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.