EUN CHANG
NPI 1598970907
Student in an Organized Health Care Education/Training Program in Springfield, MA
About Eun Chang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EUN CHANG (NPI 1598970907) is an individual student in an organized health care education/training program in Springfield, Massachusetts and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Utah School Of Medicine (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
Eun Chang 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 Eun Chang 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.
SPRINGFIELD, MA 01199
SPRINGFIELD, MA 01199
SPRINGFIELD, MA 01199
SPRINGFIELD, MA 01199
SPRINGFIELD, MA 01199
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 Eun Chang's NPI number?
The NPI number for Eun Chang is 1598970907. It was assigned to this individual provider in the NPPES registry on May 11, 2007.
Where is Eun Chang located?
Eun Chang practices at 759 Chestnut St, Springfield, MA 01199. The listed phone number is (413) 794-0884.
What is Eun Chang's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Eun Chang enrolled in Medicare?
Yes. Eun Chang 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 Eun Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eun Chang 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 Eun Chang'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 Eun Chang was last updated on November 29, 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.
# Eun Chang · NPI 1598970907
Student in an Organized Health Care Education/Training Program provider in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since May 11, 2007.
## Identity
- **NPI:** 1598970907 (Entity type: Individual)
- **Enumerated:** May 11, 2007
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 759 CHESTNUT ST, Springfield, MA 01199-1001
- **Phone:** (413) 794-0884
## 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:** University Of Utah School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** November 29, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1598970907) · Data from the CMS NPPES public registry.