REGENTS OF THE UNIV OF CA
NPI 1053304071
Pathology - Medical Microbiology in Davis, CA
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 1053304071) is a healthcare organization registered as a medical microbiology in Davis, 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
Specialties & Licenses
Other Names 1
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Regents Of The Univ Of Ca is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2,556Medicare enrollment records show 2,556 clinicians reassign Medicare billing to Regents Of The Univ Of Ca, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 19 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 81
Nearest to this location (20)
See all 2,556Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 1053304071. It was assigned to this organization in the NPPES registry on August 24, 2005. The provider is also known as Regents UCDPBG Microbio.
Where is Regents Of The Univ Of Ca located?
Regents Of The Univ Of Ca is located at 3146 Tupper Hall, Davis, CA 95616. The listed phone number is (530) 752-9402.
What is Regents Of The Univ Of Ca's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Medical Microbiology, with taxonomy code 207ZM0300X.
Is Regents Of The Univ Of Ca enrolled in Medicare?
Yes. Regents Of The Univ Of Ca is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Regents Of The Univ Of Ca?
According to the CMS Revalidation Reassignment List (October 2026 release), 2,556 clinicians in 81 Medicare specialties reassign their Medicare billing to Regents Of The Univ Of Ca. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (346), Internal Medicine (223) and Anesthesiology (188). Of these, 2 practice at this address and 19 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 17 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.
# Regents Of The Univ Of Ca · NPI 1053304071
Medical Microbiology organization in Davis, California. Organization record, active in the CMS NPPES registry since August 24, 2005.
## Identity
- **NPI:** 1053304071 (Entity type: Organization)
- **Enumerated:** August 24, 2005
- **Primary specialty:** Pathology - Medical Microbiology · taxonomy 207ZM0300X
- **Also known as:** Regents UCDPBG Microbio (Other Name)
- **Organization subpart:** No
- **Authorized official:** Tammy Trovatten, VICE PRESIDENT, GOV'T REIMBURSEMENT
## Practice location
- **Address:** 3146 TUPPER HALL, Davis, CA 95616
- **Phone:** (530) 752-9402
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2,556 clinicians in 81 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (346), Internal Medicine (223), Anesthesiology (188); 2 practice at this address and 19 within 10 miles; [full list](https://npiprofile.com/npi/1053304071/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 16, 2025
- **Other identifiers:** Medicaid GR002104C (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1053304071) · Data from the CMS NPPES public registry.