Regents of the Univ of Ca
NPI 1346554474 · Emergency Medicine Physician · Sacramento, CA
Regents of the Univ of Ca is a Emergency Medicine Physician organization in Sacramento, CA (NPI 1346554474).
Provider details
- NPI number
- 1346554474
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Allan Siefkin, Cmo(916) 734-1166
- License
- 030000086 (CA)
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
15 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
- Ucd Professional Billing Group
Registry dates
- Enumerated
- 2010-07-30
- Last updated
- 2011-05-16
Frequently asked questions
- What is Regents of the Univ of Ca's NPI number?
- Regents of the Univ of Ca's National Provider Identifier (NPI) is 1346554474, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Regents of the Univ of Ca?
- Regents of the Univ of Ca is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Regents of the Univ of Ca located?
- Regents of the Univ of Ca's practice location on file with NPPES is 2315 Stockton Blvd, Sacramento, CA 95817-2201.
- What is Regents of the Univ of Ca's phone number?
- The practice phone number listed in the NPPES registry for Regents of the Univ of Ca is (916) 734-9663.
- Who is the authorized official for Regents of the Univ of Ca?
- The authorized official listed on Regents of the Univ of Ca's NPPES record is Allan Siefkin, Cmo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Regents of the Univ of Ca's NPI active?
- Yes — Regents of the Univ of Ca's NPI (1346554474) is active in the NPPES registry as of the last update on 2011-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.