SANDRA HOYIN CHANG MD
NPI 1942997457
Student in an Organized Health Care Education/Training Program in Dallas, TX
About Sandra Hoyin Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SANDRA HOYIN CHANG MD (NPI 1942997457) is an individual student in an organized health care education/training program in Dallas, Texas and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS, is affiliated with Texas Health Presbyterian Hospital Dallas, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sandra Hoyin Chang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sandra Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dallas, TX 75390
- Reassigned Medicare billing, Texas enrollment
- 5,299 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Texas Health Presbyterian Hospital Dallas
Acute Care Hospitals · Dallas, TXOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DALLAS, TX 75390
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 Sandra Chang's NPI number?
The NPI number for Sandra Chang is 1942997457. It was assigned to this individual provider in the NPPES registry on April 24, 2023.
Where is Sandra Chang located?
Sandra Chang practices at 5323 Harry Hines Blvd, Dallas, TX 75390. The listed phone number is (214) 891-6400.
What is Sandra 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 Sandra Chang enrolled in Medicare?
Yes. Sandra Chang is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sandra Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Chang reassigns Medicare benefits to University Of Texas Southwestern Medical Center At Dallas (Dallas, TX). 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 Sandra Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sandra Chang accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Sandra Chang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Sandra Chang affiliated with any hospitals?
According to CMS data, Sandra Chang is affiliated with Texas Health Presbyterian Hospital Dallas.
When was this NPI record last updated?
The NPPES record for Sandra Chang was last updated on April 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Sandra Hoyin Chang, MD · NPI 1942997457
Student in an Organized Health Care Education/Training Program provider in Dallas, Texas. Individual provider, active in the CMS NPPES registry since April 24, 2023.
## Identity
- **NPI:** 1942997457 (Entity type: Individual)
- **Enumerated:** April 24, 2023
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 5323 HARRY HINES BLVD, Dallas, TX 75390-7201
- **Phone:** (214) 891-6400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Texas Southwestern Medical Center At Dallas (NPI 1083669766, Dallas, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** April 24, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1942997457) · Data from the CMS NPPES public registry.