JEFF SEAN CHUANG MD
NPI 1033379425
Student in an Organized Health Care Education/Training Program in Stony Brook, NY
About Jeff Sean Chuang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFF SEAN CHUANG MD (NPI 1033379425) is an individual student in an organized health care education/training program in Stony Brook, New York and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of Berkeley Northeastern State University - College Of Medicine (2008).
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
Jeff Sean Chuang 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 Jeff Chuang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hemet, CA 92545
- Reassigned Medicare billing, California enrollment
- 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.
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.
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
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 Jeff Chuang's NPI number?
The NPI number for Jeff Chuang is 1033379425. It was assigned to this individual provider in the NPPES registry on June 10, 2008.
Where is Jeff Chuang located?
Jeff Chuang practices at Stony Brook University Hospital Medical Staff Office, Stony Brook, NY 11794. The listed phone number is (631) 444-2754.
What is Jeff Chuang's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Jeff Chuang enrolled in Medicare?
Yes. Jeff Chuang 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 Jeff Chuang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeff Chuang reassigns Medicare benefits to Southern California Permanente Medical Group (Hemet, 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 Jeff Chuang'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 Jeff Chuang was last updated on December 6, 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.
# Jeff Sean Chuang, MD · NPI 1033379425
Student in an Organized Health Care Education/Training Program provider in Stony Brook, New York. Individual provider, active in the CMS NPPES registry since June 10, 2008.
## Identity
- **NPI:** 1033379425 (Entity type: Individual)
- **Enumerated:** June 10, 2008
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** STONY BROOK UNIVERSITY HOSPITAL, MEDICAL STAFF OFFICE, Stony Brook, NY 11794-7148
- **Phone:** (631) 444-2754 · **Fax:** (631) 444-6031
## 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 1013433465, Hemet, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Berkeley Northeastern State University - College Of Medicine, class of 2008
## Record status
- **NPPES last updated:** December 6, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1033379425) · Data from the CMS NPPES public registry.