Regents of the University of Ca
NPI 1235122250 · Radiation Oncology Physician · Sacramento, CA
Regents of the University of Ca is a Radiation Oncology Physician organization in Sacramento, CA (NPI 1235122250).
Provider details
- NPI number
- 1235122250
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tammy Trovatten, Vice President, Gov'T Reimbursement(916) 855-2315
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)
- Other name
- Regents Ucdpbg Rad Onc
- Other name
- Regents Ucdpbg Rad Onc
Registry dates
- Enumerated
- 2005-08-24
- Last updated
- 2025-05-16
- Certified
- 2025-05-16
Frequently asked questions
- What is Regents of the University of Ca's NPI number?
- Regents of the University of Ca's National Provider Identifier (NPI) is 1235122250, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Regents of the University of Ca?
- Regents of the University of Ca is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Regents of the University of Ca located?
- Regents of the University of Ca's practice location on file with NPPES is 4501 X St, Sacramento, CA 95817-2229.
- What is Regents of the University of Ca's phone number?
- The practice phone number listed in the NPPES registry for Regents of the University of Ca is (916) 734-8252.
- Who is the authorized official for Regents of the University of Ca?
- The authorized official listed on Regents of the University of Ca's NPPES record is Tammy Trovatten, Vice President, Gov'T Reimbursement. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Regents of the University of Ca's NPI active?
- Yes — Regents of the University of Ca's NPI (1235122250) is active in the NPPES registry as of the last update on 2025-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.