DR. JEFFREY TANJI MD
NPI 1376529396
Family Medicine - Sports Medicine in Davis, CA
About Dr. Jeffrey Tanji Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEFFREY TANJI MD (NPI 1376529396) is an individual sports medicine provider in Davis, California, licensed in California (G51304) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Jeffrey Tanji Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Jeffrey Tanji reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Davis, CA 95616
- Reassigned Medicare billing, California enrollment
- 918 clinicians in this Medicare group
Davis, CA 95616
- Reassigned Medicare billing, California enrollment
- 2,570 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95616 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Jeffrey Tanji's NPI number?
The NPI number for Jeffrey Tanji is 1376529396. It was assigned to this individual provider in the NPPES registry on December 21, 2005.
Where is Jeffrey Tanji located?
Jeffrey Tanji practices at 2440 W Covell Blvd, Davis, CA 95616. The listed phone number is (530) 747-3000.
What is Jeffrey Tanji's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Sports Medicine, with taxonomy code 207QS0010X.
Is Jeffrey Tanji enrolled in Medicare?
Yes. Jeffrey Tanji is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jeffrey Tanji's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Tanji reassigns Medicare benefits to 2 organizations: Regents Of The University Of California (Davis, CA) and Regents Of The Univ Of Ca (Davis, CA). Each 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 Jeffrey Tanji's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jeffrey Tanji was last updated on June 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.