REGENTS OF THE UNIV OF CA
NPI 1801889068
Surgery - Surgical Oncology in Sacramento, CA

Q: What is Regents Of The Univ Of Ca's NPI number?

The NPI number for Regents Of The Univ Of Ca is 1801889068. It was assigned to this organization in the NPPES registry on August 23, 2005. The provider is also known as Regents/Ucd Pbg/Sur On Col.

Q: What is Regents Of The Univ Of Ca's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

Active since August 23, 2005

4501 X ST, SACRAMENTO, CA 95817(916) 734-5803(916) 731-5706 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).

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About Regents Of The Univ Of Ca NPPES

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

REGENTS OF THE UNIV OF CA (NPI 1801889068) is a healthcare organization registered as a surgical 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

NPI1801889068

Entity TypeOrganization

Primary Taxonomy2086X0206X

Legal Business NameREGENTS OF THE UNIV 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) 734-5803

Fax(916) 731-5706

Organization SubpartNo

Authorized OfficialTammy TrovattenVice President, Gov't Reimbursement · (916) 855-2315

Enumeration DateAugust 23, 2005

Last NPPES UpdateMay 16, 20252 updates tracked since enumeration

NPPES CertifiedMay 16, 2025

✔ NPI 1801889068 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2086X0206X

Definition

A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.

4501 X ST, Sacramento, CA 95817

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Other Names 1

Other NameRegents/ucd Pbg/sur On Col

Other Identifiers 8

OtherCN4400CA · Railroad Medicare Pin

OtherCN4844CA · Railroad Medicare Pin

OtherCR0028CA · Railroad Medicare Pin

MedicaidGRW021047CA

OtherDA4168CA · Railroad Medicare Pin

OtherCI4127CA · Railroad Medicare Pin

OtherDE7275CA · Railroad Medicare Pin

MedicaidGNP000070CA

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 Univ Of Ca's NPI number?

The NPI number for Regents Of The Univ Of Ca is 1801889068. It was assigned to this organization in the NPPES registry on August 23, 2005. The provider is also known as Regents/Ucd Pbg/Sur On Col.

Where is Regents Of The Univ Of Ca located?

Regents Of The Univ Of Ca is located at 4501 X St, Sacramento, CA 95817. The listed phone number is (916) 734-5803.

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

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

When was this NPI record last updated?

The NPPES record for Regents Of The Univ 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.