DR. JEROME TSAI MD
NPI 1407054430
Radiology - Diagnostic Radiology in Fontana, CA
About Dr. Jerome Tsai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEROME TSAI MD (NPI 1407054430) is an individual diagnostic radiology provider in Fontana, California, licensed in California (A93757) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2004).
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
Dr. Jerome Tsai 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 Jerome Tsai 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.
Areas of Expertise CMS Part B claims
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 92335 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.
FONTANA, CA 92335
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 Jerome Tsai's NPI number?
The NPI number for Jerome Tsai is 1407054430. It was assigned to this individual provider in the NPPES registry on July 11, 2007.
Where is Jerome Tsai located?
Jerome Tsai practices at 9961 Sierra Ave Department Of Radiology, Fontana, CA 92335. The listed phone number is (909) 427-4321.
What is Jerome Tsai's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Jerome Tsai enrolled in Medicare?
Yes. Jerome Tsai 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 Jerome Tsai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jerome Tsai 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 Jerome Tsai'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 Jerome Tsai 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.
# Dr. Jerome Tsai, MD · NPI 1407054430
Diagnostic Radiology physician in Fontana, California. Individual provider, active in the CMS NPPES registry since July 11, 2007.
## Identity
- **NPI:** 1407054430 (Entity type: Individual)
- **Enumerated:** July 11, 2007
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A93757 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 9961 SIERRA AVE, DEPARTMENT OF RADIOLOGY, Fontana, CA 92335-6720
- **Phone:** (909) 427-4321
## 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:** Northwestern University Feinberg Medical School, class of 2004
## Record status
- **NPPES last updated:** December 1, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1407054430) · Data from the CMS NPPES public registry.