BRIAN SUN MD
NPI 1285029405
Student in an Organized Health Care Education/Training Program in San Jose, CA
About Brian Sun Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRIAN SUN MD (NPI 1285029405) is an individual student in an organized health care education/training program in San Jose, California and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (2015).
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
Brian Sun 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 Brian Sun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 2,460 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 6
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
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 Brian Sun's NPI number?
The NPI number for Brian Sun is 1285029405. It was assigned to this individual provider in the NPPES registry on April 3, 2015.
Where is Brian Sun located?
Brian Sun practices at 751 S Bascom Ave, San Jose, CA 95128. The listed phone number is (408) 885-5000.
What is Brian Sun's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Brian Sun enrolled in Medicare?
Yes. Brian Sun 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 Brian Sun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Sun reassigns Medicare benefits to County Of Santa Clara (San Jose, 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 Brian Sun'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 Brian Sun was last updated on April 3, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.