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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

REGENTS OF THE UNIVERSITY OF CALIFORNIA
NPI 1215917810
Clinic/Center - Multi-Specialty in Citrus Heights, CA

Active since January 19, 2006CLIA 05D0690796 · Microscopy
7551 MADISON AVE, CITRUS HEIGHTS, CA 95610(916) 904-3000(916) 703-7979 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 28, 2026, Oct 9, 2023, Aug 31, 2016 (3 updates tracked since 2016).

About Regents Of The University Of California NPPES

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

REGENTS OF THE UNIVERSITY OF CALIFORNIA (NPI 1215917810), doing business as Uc Davis Medical Group, is a healthcare organization registered as a multi-specialty in Citrus Heights, California and active in the NPI registry since January 2006. The organization holds a CLIA Microscopy certificate valid through December 22, 2027 and lists Allen D Hall, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1215917810
Entity TypeOrganization
Primary Taxonomy261QM1300X
Legal Business NameREGENTS OF THE UNIVERSITY OF CALIFORNIA
Location Address7551 MADISON AVECitrus Heights, CA 95610-7449
Mailing Address10850 White Rock RdRancho Cordova, CA 95670-6044 · (916) 734-9255 · Fax (916) 451-8494
Phone(916) 904-3000
Fax(916) 703-7979
Organization SubpartNo
Authorized OfficialAllen D HallMedical Director · (916) 734-8203
Enumeration DateJanuary 19, 2006
Last NPPES UpdateJuly 28, 20263 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
✔ NPI 1215917810 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM1300X
7551 MADISON AVE, Citrus Heights, CA 95610
Open in Google Maps ↗

Other Names 1

Doing Business AsUc Davis Medical Group

Other Identifiers 2

MedicaidGRE001374CA
MedicaidGR006392CCA

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0690796

Uc Davis Medical Group-Carmichael · Citrus Heights, CA
Active · expires Dec 22, 2027
CLIA Number05D0690796
Laboratory TypePhysician Office
Certificate Effective DateDecember 23, 2025
Certificate Expiration DateDecember 22, 2027
Laboratory DirectorDaniel Linfesty
Laboratory Phone(916) 904-3035
Laboratory LocationUc Davis Medical Group-Carmichael7551 Madison Ave, Citrus Heights, CA 95610
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Other Providers at the Same Location NPPES 18

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

WON SEOK CHA
Family Medicine
7551 MADISON AVE
CITRUS HEIGHTS, CA 95610
Sacramento County (916) 904-3000
DR. FREDERICK HARVEY HIRSHBURG MD
Pediatrics
7551 MADISON AVE
CITRUS HEIGHTS, CA 95610
Sacramento County (916) 904-3000
MAAN KATHRYN LAQUINDANUM GOZUN MD
Internal Medicine
7551 MADISON AVE
CITRUS HEIGHTS, CA 95610
Sacramento County (916) 904-3000
MANH DUC PHAM M.D.
Family Medicine (Adult Medicine)
7551 MADISON AVE
CITRUS HEIGHTS, CA 95610
Sacramento County (916) 904-3000
LUCIA ALBU PA
Physician Assistant
7551 MADISON AVE
CITRUS HEIGHTS, CA 95610
Sacramento County (916) 904-3000
ANDREW KIM OH M.D.
Psychiatry & Neurology (Neurology)
7551 MADISON AVE
CITRUS HEIGHTS, CA 95610
Sacramento County (916) 904-3000
PATRICIA MEN-CHUNG CHEN MD
Internal Medicine
7551 MADISON AVE
CITRUS HEIGHTS, CA 95610
Sacramento County (916) 904-3000
JON DAVID OVERHOLT M.D.
Family Medicine
7551 MADISON AVE
CITRUS HEIGHTS, CA 95610
Sacramento County (916) 904-3000

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 California's NPI number?

The NPI number for Regents Of The University Of California is 1215917810. It was assigned to this organization in the NPPES registry on January 19, 2006. The provider is doing business as UC Davis Medical Group.

Where is Regents Of The University Of California located?

Regents Of The University Of California is located at 7551 Madison Ave, Citrus Heights, CA 95610. The listed phone number is (916) 904-3000.

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

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Does Regents Of The University Of California hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0690796) is associated with this NPI, valid through December 22, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Regents Of The University Of California was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days 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.