ALEX YI MD
NPI 1386830404
Radiology - Diagnostic Radiology in Loma Linda, CA
About Alex Yi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX YI MD (NPI 1386830404) is an individual diagnostic radiology provider in Loma Linda, California, licensed in California (A85573) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2002).
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 and accepts Medicare assignment
Alex Yi Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Alex Yi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fontana, CA 92335
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1952333460 (California)
- 5,228 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92357 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOMA LINDA, CA 92357
LOMA LINDA, CA 92357
LOMA LINDA, CA 92357
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 Alex Yi's NPI number?
The NPI number for Alex Yi is 1386830404. It was assigned to this individual provider in the NPPES registry on September 21, 2007.
Where is Alex Yi located?
Alex Yi practices at 11201 Benton St, Loma Linda, CA 92357. The listed phone number is (909) 263-4600.
What is Alex Yi's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Alex Yi enrolled in Medicare?
Yes. Alex Yi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Alex Yi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Yi reassigns Medicare benefits to Southern California Permanente Medical Group (Fontana, CA). The 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 Alex Yi'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 Alex Yi was last updated on December 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Alex Yi, MD · NPI 1386830404
Diagnostic Radiology physician in Loma Linda, California. Individual provider, active in the CMS NPPES registry since September 21, 2007.
## Identity
- **NPI:** 1386830404 (Entity type: Individual)
- **Enumerated:** September 21, 2007
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A85573 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11201 BENTON ST, Loma Linda, CA 92357-1000
- **Phone:** (909) 263-4600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1689606196, Fontana, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2002
## Record status
- **NPPES last updated:** December 1, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1386830404) · Data from the CMS NPPES public registry.