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REGENTS OF THE UNIVERSITY OF CA
NPI 1235122250
Radiology - Radiation Oncology in Sacramento, CA

Active since August 24, 2005
4501 X ST, SACRAMENTO, CA 95817(916) 734-8252(916) 454-4614 Get Directions Write a Review

NPPES record last updated: May 16, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 16, 2025, Aug 23, 2023 (2 updates tracked since 2023).

About Regents Of The University Of Ca NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

REGENTS OF THE UNIVERSITY OF CA (NPI 1235122250) is a healthcare organization registered as a radiation oncology in Sacramento, California and active in the NPI registry since August 2005. The organization lists Tammy Trovatten, Vice President, Gov't Reimbursement, as its authorized official.

NPPES Registry Identity

NPI1235122250
Entity TypeOrganization
Primary Taxonomy2085R0001X
Legal Business NameREGENTS OF THE UNIVERSITY OF CA
Location Address4501 X STSacramento, CA 95817-2229
Mailing Address10850 White Rock RdRancho Cordova, CA 95670-6044 · (916) 734-9200 · Fax (916) 734-9661
Phone(916) 734-8252
Fax(916) 454-4614
Organization SubpartNo
Authorized OfficialTammy TrovattenVice President, Gov't Reimbursement · (916) 855-2315
Enumeration DateAugust 24, 2005
Last NPPES UpdateMay 16, 20252 updates tracked since enumeration
NPPES CertifiedMay 16, 2025
✔ NPI 1235122250 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
4501 X ST, Sacramento, CA 95817
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Other Names 1

Other NameRegents Ucdpbg Rad Onc

Other Identifiers 8

OtherCI4127CA · Railroad Medicare Pin
OtherCR0028CA · Railroad Medicare Pin
OtherDE7275CA · Railroad Medicare Pin
MedicaidGR0070430CA
OtherCN4400CA · Railroad Medicare Pin
MedicaidGNP000070CA
OtherCN4844CA · Railroad Medicare Pin
OtherDA4168CA · Railroad Medicare Pin

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. VIJAY P KHATRI M.D.
Surgery (Surgical Oncology)
4501 X ST, UC DAVIS CANCER CENTER, SUITE 3010
SACRAMENTO, CA 95817
Sacramento County (916) 734-2172
BRIANNA CHRISTINE KALMYKOW
Nurse Practitioner (Adult Health)
4501 X ST, SUITE 3016
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
DR. TYLER O'FLAHRITY MD
Internal Medicine
4501 X ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
MS. KELLY K. ROSS MANASHIL NP
Nurse Practitioner (Family)
4501 X ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
SUSAN T. FERRARA NP
Nurse Practitioner (Family)
4501 X ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
DR. JEFFREY MCLEROY M.D.
Internal Medicine (Hematology & Oncology)
4501 X ST, SUITE 3016
SACRAMENTO, CA 95817
Sacramento County (916) 734-3771
DR. SRINIVAS C GUMMARAJU M.D.
Internal Medicine (Hematology & Oncology)
4501 X ST, SUITE 3016
SACRAMENTO, CA 95817
Sacramento County (530) 749-4400
DR. RONALD WISDOM M.D.
Internal Medicine (Hematology & Oncology)
4501 X ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-3772

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Regents Of The University Of Ca's NPI number?

The NPI number for Regents Of The University Of Ca is 1235122250. It was assigned to this organization in the NPPES registry on August 24, 2005. The provider is also known as Regents UCDPBG Rad Onc.

Where is Regents Of The University Of Ca located?

Regents Of The University Of Ca is located at 4501 X St, Sacramento, CA 95817. The listed phone number is (916) 734-8252.

What is Regents Of The University Of Ca's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

When was this NPI record last updated?

The NPPES record for Regents Of The University Of Ca was last updated on May 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.