MR. VONG CHANG M.S.W.
NPI 1184822546
Social Worker - Clinical in Merced, CA
About Mr. Vong Chang M.s.w. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. VONG CHANG M.S.W. (NPI 1184822546) is an individual clinical provider in Merced, California, licensed in California (94662) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Vong Chang M.s.w. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Vong Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Jose, CA 95113
- Reassigned Medicare billing, California enrollment
- 3,139 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 95348 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Vong Chang's NPI number?
The NPI number for Vong Chang is 1184822546. It was assigned to this individual provider in the NPPES registry on July 6, 2007.
Where is Vong Chang located?
Vong Chang practices at 3333 M St, Merced, CA 95348. The listed phone number is (209) 723-6559.
What is Vong Chang's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Vong Chang enrolled in Medicare?
Yes. Vong Chang is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Vong Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vong Chang reassigns Medicare benefits to Grow Healthcare Group PC (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 Vong 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 Vong Chang was last updated on April 26, 2022. 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.