UCSF-FRESNO MEDICAL GROUP
NPI 1659419638
Internal Medicine in Fresno, CA
About Ucsf-fresno Medical Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
UCSF-FRESNO MEDICAL GROUP (NPI 1659419638) is a healthcare organization registered as an internal medicine in Fresno, California and active in the NPI registry since February 2007. The organization lists Michael Peterson, Associate Dean, 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)
Ucsf-fresno Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
11Medicare enrollment records show 11 clinicians reassign Medicare billing to Ucsf-Fresno Medical Group, which bills Medicare for the services they deliver. Of these, 6 practice within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 7
Clinicians, nearest first (11)
Source: 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 University Of California's NPI number?
The NPI number for Regents Of University Of California is 1659419638. It was assigned to this organization in the NPPES registry on February 2, 2007. The provider is doing business as Ucsf-Fresno Medical Group.
Where is Regents Of University Of California located?
Regents Of University Of California is located at 155 N Fresno St, Fresno, CA 93701. The listed phone number is (559) 499-6400.
What is Regents Of University Of California's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Regents Of University Of California enrolled in Medicare?
Yes. Regents Of University Of California is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Regents Of University Of California?
According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 7 Medicare specialties reassign their Medicare billing to Regents Of University Of California. 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 Obstetrics/Gynecology (3), Family Practice (2) and Neurology (2). Of these, 6 practice 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 University Of California was last updated on August 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# Ucsf-Fresno Medical Group · NPI 1659419638
Internal Medicine organization in Fresno, California. Organization record, active in the CMS NPPES registry since February 2, 2007.
## Identity
- **NPI:** 1659419638 (Entity type: Organization)
- **Enumerated:** February 2, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Legal business name:** Regents Of University Of California
- **Organization subpart:** No
- **Authorized official:** Michael Peterson, ASSOCIATE DEAN
## Practice location
- **Address:** 155 N FRESNO ST, Fresno, CA 93701-2302
- **Phone:** (559) 499-6400 · **Fax:** (559) 499-6411
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 11 clinicians in 7 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Obstetrics/Gynecology (3), Family Practice (2), Neurology (2); 6 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 25, 2021
- **Other identifiers:** Other GR0091020 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1659419638) · Data from the CMS NPPES public registry.